Radyne DMD50 Installation And Operation Manual

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Manual is about: Universal Satellite Modem

Summary of DMD50

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    Dmd50 universal satellite modem installation and operation manual tm118 revision 1.1 radyne corporation • 3138 e. Elwood st. • phoenix, az 85034 • (602) 437-9620 • fax: (602) 437-4811 • www.Radn.Com.

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    Dmd50 universal satellite modem warranty policy tm118 – rev. 1.1 iii warranty policy wp radyne corp. (seller) warrants the items manufactured and sold by radyne corp. To be free of defects in material and workmanship for a period of two (2) years from date of shipment radyne corp.’s obligation under...

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    Warranty policy dmd50 universal satellite modem iv tm118 – rev. 1.1 in no event shall radyne corp. Be liable for incidental, consequential, special or resulting loss or damage of any kind howsoever caused. Radyne corp.’s liability for damages shall not exceed the payment, if any, received by radyne ...

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    Dmd50 universal satellite modem preface tm118 – rev. 1.1 v preface p this manual provides installation and operation information for the radyne dmd50 universal satellite modem. This is a technical document intended for use by engineers, technicians, and operators responsible for the operation and ma...

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    Preface dmd50 universal satellite modem vi tm118 – rev. 1.1 trademarks product names mentioned in this manual may be trademarks or registered trademarks of their respective companies and are hereby acknowledged. Copyright ©2007, radyne corp. This manual is proprietary to radyne corp. And is intended...

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    Dmd50 universal satellite modem table of contents tm118 – rev. 1.1 vii table of contents toc section 1 - introduction ............................................................................................................. 1-1 1.0 overview _______________________________________________________...

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    Table of contents dmd50 universal satellite modem viii tm118 – rev. 1.1 3.2.2 modem remote communications (rllp) ____________________________________ 3-6 3.2.3 ethernet m&c port _____________________________________________________ 3-6 3.2.4 modem monitor status _____________________________________...

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    Dmd50 universal satellite modem table of contents tm118 – rev. 1.1 ix 3.15 locating the id code operational procedure ________________________________ 3-25 3.16 strap codes __________________________________________________________ 3-25 section 4 - user interfaces ......................................

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    Table of contents dmd50 universal satellite modem x tm118 – rev. 1.1 5.3.2 tx if (j11) ___________________________________________________________ 5-2 5.3.3 tx l-band if (j12) _____________________________________________________ 5-2 5.3.4 rx if (j13) ________________________________________________...

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    Dmd50 universal satellite modem table of contents tm118 – rev. 1.1 xi 5.9.7 idi (j8) _____________________________________________________________ 5-23 5.9.8 sd (ido) (j9) ________________________________________________________ 5-23 5.10 hssi / ethernet (j1) ________________________________________...

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    Table of contents dmd50 universal satellite modem xii tm118 – rev. 1.1 7.11 dvb/m2p _____________________________________________________________ 7-3 7.12 ethernet data interface (optional) __________________________________________ 7-3 7.13 hssi / g.703 _____________________________________________...

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    Dmd50 universal satellite modem table of contents tm118 – rev. 1.1 xiii appendix b - front panel upgrade procedure ........................................................................B-1 b.0 introduction ____________________________________________________________ b-1 b.1 required equipment ____...

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    Table of contents dmd50 universal satellite modem xiv tm118 – rev. 1.1 appendix g - aupc operation ................................................................................................. G-1 g.1 automatic uplink power control (aupc operation) _____________________________ g-1 g.1.1 radyne ...

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    Dmd50 universal satellite modem table of contents tm118 – rev. 1.1 xv.

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    Dmd50 universal satellite modem introduction tm118 – rev. 1.1 1-1 introduction 1 this chapter provides an overview of the dmd50 universal satellite modem. When describing the equipment, it may be referred to as “the modem”, or “the unit”. 1.0 overview the radyne universal satellite modem (figure 1-1...

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    Introduction dmd50 universal satellite modem 1-2 tm118 – rev. 1.1 1.1.1 features/options installed at time of order features installed at the time of ordering are the options pre-installed/initialized in the factory prior to shipment. These can be reviewed from the front panel. Refer to section 4, u...

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    Dmd50 universal satellite modem introduction tm118 – rev. 1.1 1-3.

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    Dmd50 universal satellite modem installation tm118 – rev. 1.1 2-1 installation 2 this section provides unpacking and installation instructions, and a description of external connections and backward alarm information. 2.0 installation requirements the modem is designed to be installed within any sta...

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    Installation dmd50 universal satellite modem 2-2 tm118 – rev. 1.1 before initially applying power to the unit, it is a good idea to disconnect the transmit output from the operating ground station equipment. This is especially true if the current configuration settings are unknown, where incorrect s...

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    Dmd50 universal satellite modem installation tm118 – rev. 1.1 2-3 should the power cable/ac connector be of the wrong type for the installation, either the cable or the power connector end should be replaced. The power supply itself is designed for universal ac application. See specifications for ap...

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    Installation dmd50 universal satellite modem 2-4 tm118 – rev. 1.1 implementing strap code 26 can set the following modem configuration. Refer to table 4-4 for an explanation and tabular listing of available strap codes. The frequency and modulator output power are set independently of the strap code...

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    Dmd50 universal satellite modem installation tm118 – rev. 1.1 2-5 2.5 modulator checkout the following descriptions assume that the modem is installed in a suitable location with prime ac power and supporting equipment available. 2.5.1 initial power-up before initial power up of the modem, it is a g...

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    Installation dmd50 universal satellite modem 2-6 tm118 – rev. 1.1.

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-1 theory of operation 3 3.0 modem hardware the modem is based on a two printed circuit card (minimum configuration) design with additional optioned printed circuit cards available for additional features. The minimum configuratio...

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    Theory of operation dmd50 universal satellite modem 3-2 tm118 – rev. 1.1 in the complex downconverter, the signal for demodulation is amplified and sent through a variable wideband attenuator for agc. The gain-controlled signal is then passed through a complex downconverter to a low if. Figure 3-2. ...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-3 the baseband printed circuit card also contains the monitor and control (m&c) circuitry responsible for: programmable part setup and initialization continuous control and adjustment of some functions calibration monitoring faul...

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    Theory of operation dmd50 universal satellite modem 3-4 tm118 – rev. 1.1 figure 3-3. Universal satellite modem functional block diagram 3.1.1 front panel the front panel includes a 2 x 16 backlit lcd display, indicator leds, and a numeric keypad (refer to section 4.1). 3.1.2 baseband processing the ...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-5 3.1.3 tx baseband processing the tx data and clock enters the baseband processor, passes through a rate adapting fifo and enters the framer/drop processor. In idr, ibs, and d&i modes, the framer adds the appropriate framing and...

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    Theory of operation dmd50 universal satellite modem 3-6 tm118 – rev. 1.1 3.2.1 terminal port this port supports an asynchronous control protocol as described in section 4. It is configured to support rs-232 signal levels. This port is intended for use in computer-based remote m&c. All functions of t...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-7 form-c contacts: the uim provides three form-c relays under processor control that appear at j15. Mod fault: de-energized when any transmit side fault is detected. Demod fault: de-energized when any receive side fault is detect...

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    Theory of operation dmd50 universal satellite modem 3-8 tm118 – rev. 1.1 3.5 loopback features (terrestrial & if) the modem provides for a number of different loopbacks. The loopback supported are: if loopback – tx if port is looped back to the rx if port tx terrestrial loopback - tx data port is lo...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-9 figure 3-4. Loopback functional block diagram.

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    Theory of operation dmd50 universal satellite modem 3-10 tm118 – rev. 1.1 figure 3-5. Loopback functional block diagram figure 3-6. Loopback functional block diagram.

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-11 3.6 clocking options the modem supports a number of different clocking options that can be recovered from the satellite or the terrestrial links. The various clocking options allow users to determine which clock will best fit ...

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    Theory of operation dmd50 universal satellite modem 3-12 tm118 – rev. 1.1 the following paragraphs define the types of clocking options available to the user at the front panel. Sct (internal oscillator) scte (external tx terrestrial clock) rx satellite clock 3.6.1.1 scte: serial clock transmit exte...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-13 the modem handles rx buffer clock selections based on source priority levels. The user assigns priorities to the clock sources based on source selections. Source 1 has the highest priority and source 5 being the last resort or...

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    Theory of operation dmd50 universal satellite modem 3-14 tm118 – rev. 1.1 3.6.3 ext ref: external reference, top bnc port, j10 this is not actually a clock, but does have some clocking implications. When the external reference is used, the master oscillator within the modem is locked to the external...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-15 3.8 reed-solomon codec refer to figures 3-16, 3-17, and table 3-1. Utilizing a reed-solomon (r-s) outer codec concatenated with a convolutional inner codec is an effective way to produce very low error rates even for poor sign...

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    Theory of operation dmd50 universal satellite modem 3-16 tm118 – rev. 1.1 figure 3-14. Reed-solomon encoder functional block diagram figure 3-15. Reed-solomon decoder functional block diagram.

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-17 table 3-1. Reed-solomon codes type of service data rate (kbps) r-s code (n, k, t) 1 bandwidth expansion [ (n/k) -1 ] interleaving depth maximum 2 r-s codec delay (ms) small idr (with 16/15 o/h) 64 128 256 384 512 768 1024 1536...

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    Theory of operation dmd50 universal satellite modem 3-18 tm118 – rev. 1.1 the “rs-485” setting controls the output into tri-state when the modem is not transmitting data, allowing multiple modem outputs to be connected together. Table 3-3. Kbps baud rate example for standard ibs kbps baud rate examp...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-19 1792 19200 1856 19200 1920 19200 1984 19200 2048 19200 3.10 standard ibs mode in the first or “normal” mode, all bit assignments are per the ibs standard. The bits of overhead housekeeping byte 32 are implemented as shown in t...

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    Theory of operation dmd50 universal satellite modem 3-20 tm118 – rev. 1.1 the ibs async mode must be selected for true asynchronous channel operation to be available. 3.12 esc backward alarms when running in idr mode and if the modem has the esc option, there will be four backward alarms available f...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-21 3.12.1 to disable the esc backward alarms if the esc alarms port will not be used and the backward alarm indications are to be disabled, you must connect pins 10, 11, 22 and 23 to pin 1 (gnd) on esc alarms port. 3.13 satellite...

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    Theory of operation dmd50 universal satellite modem 3-22 tm118 – rev. 1.1 the control ratio of the receiving units must match the control ratio of the transmitting unit. 3.13.2 aggregate data rate the aggregate data rate equals the following: user data rate + in-band rate + synchronizing overhead ra...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-23 table 3-5 user data rate in-band rate control ratio aggregate data rate overhead ratio 512,000 19,200 1/7 533,974 1.043 1,024,000 19,200 1/7 1,045,974 1.021 2,048,000 19,200 1/7 2,069,951 1.011 3,072,000 19,200 1/7 3,093,943 1...

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    Theory of operation dmd50 universal satellite modem 3-24 tm118 – rev. 1.1 slot bits = (6,312,000 * (7 * 10))/(22,092 * (7 + 1)) = 2,500 actual ratio = (2,500+ 10)/2,500= 1.004 3.13.5 scc overhead channel setup 1. Set the framing mode (located under mod and demod data menus) to scc. After doing this,...

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    Dmd50 universal satellite modem theory of operation tm118 – rev. 1.1 3-25 3.14 edmac satellite framing/deframing mode the modem supports edmac satellite framing. Edmac can be enables for both modulator and demodulator satellite framing when modem is configured in closed net applications. Edmac satel...

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    Theory of operation dmd50 universal satellite modem 3-26 tm118 – rev. 1.1.

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-1 user interfaces 4 4.0 user interfaces this section contains information pertaining to the user interfaces for the modem. There are four user intefaces available for the modem. These are: • front panel interface – refer to section 4...

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    User interfaces dmd50 universal satellite modem 4-2 tm118 – rev. 1.1 4.1.1 lcd front panel display the front panel display is a 2 line by 16-character lcd display. The display is lighted and the brightness can be set to increase when the front panel is currently in use. The lcd display automatically...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-3 4.1.4 front panel led indicators eight leds on the front panel (refer to table 4-3) indicate the status of operation. The led colors maintain a consistent meaning. Green signifies that the indication is appropriate for normal opera...

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    User interfaces dmd50 universal satellite modem 4-4 tm118 – rev. 1.1 figure 4-2. Entering new parameters following a valid input, the unit will place the new setting into the nonvolatile eeprom making it available immediately and available the next time the unit is powered-up. 4.3 front panel contro...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-5 4.3.2 modulator menu options and parameters network spec {idr, ibs, drop & insert, closed net, dvb sat} the network spec command sets a number of parameters within the modem to meet a specification. The purpose is to eliminate keys...

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    User interfaces dmd50 universal satellite modem 4-6 tm118 – rev. 1.1 dvb: per en301-421 & en301-210 data rates: all rates framing type: dvb scrambler type: dvb spectrum mask: dvb 0.25, 0.35 closed net: all possible combinations allowed, however, dvb settings requires the dvb network spec. Activates ...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-7 compensation {0.0 – 1.0} allows you to offset output power by up to 1 dbm. This is intended as a correction for user cabinet connectors. Data (menu) data rate (bps) {refer to technical specs for data rates} allows the user to set t...

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    User interfaces dmd50 universal satellite modem 4-8 tm118 – rev. 1.1 scc ctl ratio {1/1, 1/2, 1/3, 1/4, 1/5, 1/6, 1/7}, allows the user to simulate the framing used by the satellite control channel option (pass thru mode only). The scc ctl ratio is the ratio of overhead in-band data to synchronizing...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-9 nominal tx power {0 to -25 db} this allows the user to set the nominal transmit power. The nominal transmit power is the default output power level. Minimum tx power {0 to -25 db} this allows the user to set the minimum transmit po...

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    User interfaces dmd50 universal satellite modem 4-10 tm118 – rev. 1.1 nearside: when configured for nearside aupc, this setting is compared against the received e b /n o of the local modem and commands to the local modem to increase or decrease transmit power. Tracking rate {0.5 to 6.0} allows the u...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-11 rx 2047 ber: reports the ber measurement of the receiver 2047 pattern test mode of the remote modem. Ber is reported from the 1x10 -5 to 1x10 -7 in tenth decade steps. If the pattern does not synchronize or is out of range, ‘no da...

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    User interfaces dmd50 universal satellite modem 4-12 tm118 – rev. 1.1 framing type: 96 kbps (idr) descrambler type: v.35 spectrum mask: intelsat for data rates framing type: 1/15 (ibs) descrambler type: iess-309 spectrum mask: intelsat ibs: (iess-309) for data rates framing type: 1/15 (ibs) descramb...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-13 if (menu) frequency (mhz) {50 – 90 mhz, 100 – 180 mhz, or 950 - 2050 mhz} allows the user to enter the modulator if frequency in 1 hz increments. Spectrum {normal inverted} allows the user to invert the direction of rotation for p...

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    User interfaces dmd50 universal satellite modem 4-14 tm118 – rev. 1.1 input threshold (dbm) {-30 to 90 dbm} allows the user to adjust the low level threshold limit for input power. Input power level below the threshold limit will trigger a major alarm on the demodulator. Eb/no alarm {0.0 to 9.90 db}...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-15 in-band rate {150, 300, 600, 1200, 2400, 4800, 9600, 19200} allows the user to select the rate of in-band data for the es to es, async overhead channel. Only displayed when effiecient d&i with esc enhanced are selected. Scc ctl ra...

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    User interfaces dmd50 universal satellite modem 4-16 tm118 – rev. 1.1 4.3.4 interface menu options and parameters tx setup (menu) circuit id allows the user entry of a tx circuit identifier. Circuits can be given up to an 11 character alphanumeric identity such as link1. Terr interface standard inte...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-17 sct clk src {sct, scr} allows the user to select sct source.Sct is the internally generated sct clock. Scr is the rx satellite clock. Scr us used for loop timing. Drop & insert (menu) (reference section 3.13, “drop and insert mapp...

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    User interfaces dmd50 universal satellite modem 4-18 tm118 – rev. 1.1 rx setup (menu) circuit id provides entry of rx circuit identifier. Circuits can be given up to an 11 character alphanumeric identity such as dlink1 terr interface standard interface {rs422 serial,rs232 serial, v.35} optional hard...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-19 sat ch terrch {1-31 1-31} the up/down arrow keys allow you to traverse the sat terr pairings. The slot numbers may be edited using the keypad. Allows the user to edit the tx edit map and specify the terrestrial slots that will be ...

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    User interfaces dmd50 universal satellite modem 4-20 tm118 – rev. 1.1 ref freq src {internal, external, high stability} allows the user to select the frequency reference source. High stability is only displayed if the appropriate hardware is detected. Ref freq (mhz) allows the user to select the ref...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-21 4.3.6 monitor menu options and parameters events displays a history of events recorded in the event buffer. A maximum of 100 events may be stored in the buffer. Upon receipt of the 101 st event, the first received event is automat...

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    User interfaces dmd50 universal satellite modem 4-22 tm118 – rev. 1.1 the status of the following ports may be one of the following: down: the link is down. Unresolved: unable to agree on connection speed. 10 mbps half: connected at 10 base-t half duplex. 10 mbps full: connected at 10 base-t full du...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-23 -12v supply displays the measured voltage of the -12 volt power bus located inside the modem. Rx buffer level {0 – 100%} displays the status of the doppler buffer. Rx buffer reset ((enter)) allows the user to re-center the doppler...

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    User interfaces dmd50 universal satellite modem 4-24 tm118 – rev. 1.1 indicates that the interface card is faulted and will not pass data (displays only when the ethernet card is installed and the ethernet interface is selected). Forced alarm {disabled, enabled} allows user to disable or enable forc...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-25 lb synth pll {pass/fail, unmasked/masked} indicates that the rx l-band synthesizer is not locked. This alarm will flash on during certain modem parameter changes. A solid indication points toward a configuration problem within the...

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    User interfaces dmd50 universal satellite modem 4-26 tm118 – rev. 1.1 ofec lock {pass/fail, unmasked/masked} indicates that the reed-solomon decoder is not locked. Interleaver {pass/fail, unmasked/masked} indicates that the reed solomon interleaver is not synchronized. Rs uncorr word {pass/fail, unm...

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    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-27 +5v supply {pass/fail, unmasked/masked} displays the measured voltage of the +5 volt power bus located inside the modem. +12v supply {pass/fail, unmasked/masked} displays the measured voltage of the +12 volt power bus located insi...

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    User interfaces dmd50 universal satellite modem 4-28 tm118 – rev. 1.1 if synth pll ethernet wan tx minor (menu) terr clk act terr data act tx terr ais dni frame lock dni m-frame lock drop crc tx dvb frm lock rx major (menu) fpga cfg dsp cfg signal lock frame lock multiframe lock lb synth pll if synt...

  • Page 82

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-29 insert crc t1/e1 signaling ifec lock ofec lock interleaver rs uncorr. Word tpc ifec lock ebno rx level ibs ber rx dvb frm lock common (menu) terr fpga cfg codec fpga cfg codec dev cfg voltage (menu) +1.5v rx supply +1.5v tx supply...

  • Page 83

    User interfaces dmd50 universal satellite modem 4-30 tm118 – rev. 1.1 backward alarms the following ibs and idr backward alarms only apply if the idr or ibs options are selected. The ibs and idr backward alarms are transmitted and received from the distant end of the satellite link note: the followi...

  • Page 84

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-31 t1e1 terr cntrl {stndrd, frc on} ibs tx prompt {stndrd, frc on} ibs tx service {stndrd, frc on} 4.3.8 system menu options and parameters date (mm/dd/yy) allows the user to enter the current date. Time {hh:mm:ss} allows the user to...

  • Page 85

    User interfaces dmd50 universal satellite modem 4-32 tm118 – rev. 1.1 remote port (menu) address {32 - 255} allows the user to enter the remote port multidrop address. Baud rate {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600} allows the user to enter the remote port baud rate. Interface {rs-...

  • Page 86

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-33 ip addr mask {xxx.Xxx.Xxx.Xxx} hexidecimal mask {ddd.Ddd.Ddd.Ddd} decimal mask the ip address mask of the local network. The mask is expressed in a hexadecimal format, and must be a valid tcp/ip mask. This field should be set befo...

  • Page 87

    User interfaces dmd50 universal satellite modem 4-34 tm118 – rev. 1.1 ether rate {10 mbps/hd} the data rate for the local ethernet interface. 10 mbps/hd – for 10 base-t in either half-duplex or full duplex. Snmp (menu) a description of oid organization is provided in the mib portion of this manual (...

  • Page 88

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-35 rd community {16 characters of name} this menu is only displayed when snmp version is set to v1 & v2. This is the community that a host must be acting within when an oid variable is requested by a v1/v2 snmp message. Rdwr communit...

  • Page 89

    User interfaces dmd50 universal satellite modem 4-36 tm118 – rev. 1.1 using the number keys on the front panel. The user can clear all characters from the front panel screen. User reset resets group and password. User 2 access group {no group, guest, oper, admin} access rights represent the followin...

  • Page 90

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-37 auth password {xxxxxxxx} user to select password. The user can modify the authorization passwords. The user name can have up to 14 characters supporting alpha and numeric characters. Alpha characters can be entered using the up an...

  • Page 91

    User interfaces dmd50 universal satellite modem 4-38 tm118 – rev. 1.1 allows the user to adjust the internal frequency reference for calibration. Only displayed if the system reference clock source is hi stability. I offset used for factory test only. Q offset used for factory test only. If rx lvl o...

  • Page 92

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-39 rs rs custom ibs d&i aupc 8psk 16qam turbo 52 mbps om73 scrambling dvb edmac 4.3.9 test menu options and parameters tx test pattern {none, 2047, 2^15-1, 2^23-1} allows the user to enable the tests listed above. Rx test pattern {no...

  • Page 93

    User interfaces dmd50 universal satellite modem 4-40 tm118 – rev. 1.1 loopback {if, terr tx/rx, baseband tx/rx, none, terr rx, baseband rx, terr tx, baseband tx, ifec tx} terrestrial loopback is performed at the terrestrial interface if: if loopback loops the if output of the modulator to the if inp...

  • Page 94

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-41 4.4 terminal mode control the terminal mode control allows the use of an external terminal or computer to monitor and control the modem from a full screen interactive presentation operated by the modem itself. No external software...

  • Page 95

    User interfaces dmd50 universal satellite modem 4-42 tm118 – rev. 1.1 the terminal control mode is menu-driven and the allowable values for each item number will be shown. To change an item, type in its number followed by . If the parameter to be changed requires a numeric value, enter the number fo...

  • Page 96

    Dmd50 universal satellite modem user interfaces tm118 – rev. 1.1 4-43 control and status messages are conveyed between the modem and all subsidiary modems and the host computer using packetized message blocks in accordance with a proprietary communications specification. This communication is handle...

  • Page 97

    User interfaces dmd50 universal satellite modem 4-44 tm118 – rev. 1.1.

  • Page 98

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-1 rear panel interfaces 5 this section discusses the electrical interfaces available from the rear panel. All locations are as viewed from the rear of the unit unless otherwise specified. 5.0 connections all connections are mad...

  • Page 99

    Rear panel interfaces dmd50 universal satellite modem 5-2 tm118 – rev. 1.1 5.1 compact flash the compact flash slot is located on the right side as viewed from the rear of the unit. A 128 mbit flash memory card stores all the modem m&c and operational data. It must be present when the modem is opera...

  • Page 100

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-3 5.3.5 rx l-band if (j14) the receive if input port is a 50-ohm sma female connector that can be used for l-band if. The if frequency can be programmed from 950 to 2050 mhz in 1 hz steps. 5.3.6 alarm (j15) the alarm port is a ...

  • Page 101

    Rear panel interfaces dmd50 universal satellite modem 5-4 tm118 – rev. 1.1 5.3.8 async (j17) the asynchronous data interface port is a 9-pin female “d” connector. Refer to table 5-3 for pinouts. Table 5-3. Async port 9-pin female “d” connector (j17) pin no. Signal name signal direction 1 receive dat...

  • Page 102

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-5 12 send timing b (+) st-b output 13 clear t send b (+) cs-b output 14 send data b (+) sd-b input 15 send timing a (-) st-a output 16 receive data b (+) rd-b output 17 receive timing a (-) rt-a output 18 modulator fault - open...

  • Page 103

    Rear panel interfaces dmd50 universal satellite modem 5-6 tm118 – rev. 1.1 when operating the remote port as rs232 using a cable pinned 1 for 1 may cause communication failures due to miss routing of standard rs232 com port signals. When operating the remote port as rs232, the cable used should only...

  • Page 104

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-7 15 backward alarm out - 1 nc escbwo 1nc n/a 16 backward alarm out - 2 c escbwo 2c n/a 17 backward alarm out - 2 nc escbwo 2nc n/a 18 backward alarm out - 3 c escbwo 3c n/a 19 backward alarm out - 3 nc escbwo 3nc n/a 20 backwa...

  • Page 105

    Rear panel interfaces dmd50 universal satellite modem 5-8 tm118 – rev. 1.1 6 send data b sd-b input 7 receive data b rd-b output 8 synchronous data send timing a st-a input 9 synchronous data receive timing a rt-a output 5.4.3 8k data (j3) the 8k data port allows for communications between earth sta...

  • Page 106

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-9 4 ground gnd --- 5 drop data out (+) ddo-b output 6 insert data in (+) exc (+) idi-b input 7 external clock a (-) bal exc-a input 8 external clock b (+) bal exc-b input 9 send data (+) sd-b input 10 no connection --- --- 11 r...

  • Page 107

    Rear panel interfaces dmd50 universal satellite modem 5-10 tm118 – rev. 1.1 10 idr esc backward alarm output - 3 common escbwo 3c no direction 11 g.703 insert data out a - synchronous data receive data a ido-a rd-a output 12 idr esc backward alarm output - 3 normally open escbwo 3no no direction 13 ...

  • Page 108

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-11 36 synchronous data send data input - b sync sd-b input 37 idr esc backward alarm out - 1 normally closed escbwo 1 nc no direction 38 g.703 insert data input - b g703b idi-b input 39 synchronous data send timing output - b s...

  • Page 109

    Rear panel interfaces dmd50 universal satellite modem 5-12 tm118 – rev. 1.1 58 idr esc transmit 8 kbps output clock - b esctxc-b output 59 idr esc transmit 8 kbps output data - b esctxd-b input 60 idr esc receive 8 kbps clock output - b escrxc-b output 61 idr esc receive 8 kbps data output - b escrx...

  • Page 110

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-13 5.6 high-speed serial interface (hssi) (optional) 5.6.1 hssi (j6) the hssi (high-speed serial interface) (j6) complies with the hssi functional and electrical specifications. The physical interface is a 50-pin scsi-2 type co...

  • Page 111

    Rear panel interfaces dmd50 universal satellite modem 5-14 tm118 – rev. 1.1 5.7 asi/dvb/m2p interface (optional) 5.7.1 asi in (j1) the asi in port (j1) is supported on the bnc connector. The interface complies with dvb asi electrical specifications. 5.7.2 asi out (j2) the asi out port (j2) is suppor...

  • Page 112

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-15 24 dvalid- input 12 psync+ input 25 psync- input 13 cable shield --- table 5-12b. J3 − m2p in - 25-pin female pin number signal name direction 1 outclk+ output 14 outclk- output 2 clk+ input 15 clk- input 3 sync+ input 16 sy...

  • Page 113

    Rear panel interfaces dmd50 universal satellite modem 5-16 tm118 – rev. 1.1 5.7.4 dvb/m2p out (j4) the dvb or m2p out port (j4) is also supported on the db-25 female connector. It complies with rs-422 electrical specifications. Refer to table 5-13a for dvb and 5-13 b for m2p pinouts for this connect...

  • Page 114

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-17 table 5-13b. J3 - m2p out – 25-pin female ‘d’ sub connector pin number signal name direction 1 nc output 14 nc output 2 clk+ output 15 clk- output 3 sync+ output 16 sync- output 4 valid+ output 17 valid- output 5 d0+ output ...

  • Page 115

    Rear panel interfaces dmd50 universal satellite modem 5-18 tm118 – rev. 1.1 5.8 ethernet data interface (optional) the optional dmd50 ethernet data interface provides four rj-45, auto-crossover, auto-sensing, 10/100 ethernet data ports where: js1 is port 1 js2 is port 2 js3 is port 3 js4 is port 4 r...

  • Page 116

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-19 5.9.1 64k audio (j2) the 64k audio port allows for communications between earth stations. It is a 9-pin female “d” connector that complies to iess 308. Refer to table 5-15a for pinouts in audio mode and table 5-15b for pinou...

  • Page 117

    Rear panel interfaces dmd50 universal satellite modem 5-20 tm118 – rev. 1.1 5.9.2 8k data (j3) the 8k data port allows for communications between earth stations. It is a 15-pin female “d” connector that complies with iess 308. Refer to table 5-16 for pinouts. Table 5-16. 8k data port 15-pin female “...

  • Page 118

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-21 5.9.3 g.703 bal (j4) the g.703 interface port (balanced) is a 15-pin female “d” connector. Refer to table 5-17 for pinouts. Table 5-17. G.703 bal port 15-pin female “d” connector (j4) pin no. Signal name signal direction 1 s...

  • Page 119

    Rear panel interfaces dmd50 universal satellite modem 5-22 tm118 – rev. 1.1 5.9.4 esc alarm (j5) the esc (engineering service circuits) alarms port is a 25-pin female “d” connector. Refer to table 5-18 for pinouts. Table 5-18. Esc alarm port 25-pin female “d” connector (j1) pin no. Signal name signa...

  • Page 120

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-23 5.9.7 idi (j8) the insert data in port (unbalanced) is a 75-ohm female bnc connector. 5.9.8 sd (ido) (j9) the send data (insert data out) port (unbalanced) is a 75-ohm female bnc connector. 5.10 hssi / ethernet (j1) the hssi...

  • Page 121

    Rear panel interfaces dmd50 universal satellite modem 5-24 tm118 – rev. 1.1 5.11 ethernet data interface the dmd50 ethernet data interface provides four rj-45, auto-crossover and auto-sensing, 10/100 ethernet data ports. Js1 through js4 may be referred to port 1 through port 4 respectively. Refer to...

  • Page 122

    Dmd50 universal satellite modem rear panel interfaces tm118 – rev. 1.1 5-25.

  • Page 124

    Dmd50 universal satellite modem maintenance and troubleshooting tm118 – rev. 1.1 6-1 maintenance and troubleshooting 6 this section discusses unit maintenance and troubleshooting for the dmd50 universal satellite modem. The modem contains a lithium battery . Danger of explosion exists if the battery...

  • Page 125

    Maintenance and troubleshooting dmd50 universal satellite modem 6-2 tm118 – rev. 1.1 symptom possible cause there is an improper receive input to modem. The receive carrier level is too low. The receive carrier frequency is outside of the acquisition range. The transmit carrier is incompatible. The ...

  • Page 126

    Dmd50 universal satellite modem maintenance and troubleshooting tm118 – rev. 1.1 6-3 6.1.1.2 major rx alarms alarm possible cause fpga cfg indicates a receive fpga hardware failure. Dsp cfg indicates a receive dsp failure. Signal lock indicates that the demod is unable to lock to a signal. Frame loc...

  • Page 127

    Maintenance and troubleshooting dmd50 universal satellite modem 6-4 tm118 – rev. 1.1 6.1.1.4 minor rx alarms alarm possible cause buff underflow indicates that a doppler buffer underflow has occurred. Buff near empty indicates that the doppler buffer is about to underflow. Buff near full indicates t...

  • Page 128

    Dmd50 universal satellite modem maintenance and troubleshooting tm118 – rev. 1.1 6-5 6.1.1.5 drop and insert alarms alarm possible cause multiframe lock the insert framer is not in sync. Crc lock an insert crc fault occurred. Valid in t1-esf, pcm-30, or pcm- 30c modes. T1 signaling an insert t1 yell...

  • Page 129

    Maintenance and troubleshooting dmd50 universal satellite modem 6-6 tm118 – rev. 1.1 6.1.2 alarm masks the modem performs a high degree of self-monitoring and fault isolation. The alarms for these faults are separated into the following three categories: ƒ active alarms ƒ common equipment alarms ƒ b...

  • Page 130

    Dmd50 universal satellite modem maintenance and troubleshooting tm118 – rev. 1.1 6-7 6.1.2.3 backward alarms backward alarms are alarms that are fed back to or received from the other end of the satellite link. In ibs mode (including drop & insert), backward alarm 1 is the only one used. It would be...

  • Page 131

    Maintenance and troubleshooting dmd50 universal satellite modem 6-8 tm118 – rev. 1.1 table 6-1. Ibs fault conditions and actions (includes drop and insert) fault detected on terrestrial link (across interface a) fa1 - loss of terrestrial input fa2 - loss of terrestrial signaling fa3 - loss of terres...

  • Page 132

    Dmd50 universal satellite modem maintenance and troubleshooting tm118 – rev. 1.1 6-9.

  • Page 134

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-1 technical specifications 7 7.0 data rates refer to section 7.17. 7.1 modulator modulation bpsk, qpsk, and oqpsk (8psk, 16qam optional) if tuning range 50 to 90, 100 to 180 mhz in 1 hz steps l-band tuning range 950 to 2050 ...

  • Page 135

    Technical specifications dmd50 universal satellite modem 7-2 tm118 – rev. 1.1 7.2 demodulator demodulation bpsk, qpsk, and oqpsk (8psk, 16qam optional) if tuning range 50 to 90, 100 to 180 mhz in 1 hz steps l-band tuning range 950 to 2050 mhz in 1 hz steps impedance if, 75-ohm (50-ohm optional) l-ba...

  • Page 136

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-3 7.5 dmd50 drop and insert (optional) terrestrial data 1.544 mbps or 2.048 mbps, g.732/733 line coding ami or b8zs for t1 and hdb3 for e1 framing d4, esf and pcm-30 (pcm-30c) or pcm-31 (pcm- 31c) for e1 time slot selection ...

  • Page 137

    Technical specifications dmd50 universal satellite modem 7-4 tm118 – rev. 1.1 7.13 hssi / g703 hssi high-speed serial interface, 50-pin scsi-2 type connector (female) g.703 t1 (dsx1) 1.544 mbps, 100-ohm balanced, ami and b8zs g.703 e1 2.048 mbps, 75-ohm unbalanced and 120-ohm balanced, hdb3 g.703 t2...

  • Page 138

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-5 7.18 data rate limits 7.18.1 non-dvb modulation code rate min data rate max data rate bpsk none 4800 30000000 bpsk vit 1/2 2400 15000000 bpsk vit 3/4 3600 22500000 bpsk vit 7/8 4200 26250000 bpsk seq 1/2 2400 2048000 bpsk ...

  • Page 139

    Technical specifications dmd50 universal satellite modem 7-6 tm118 – rev. 1.1 oqpsk tpc 7/8 8400 20000000 oqpsk tpc .495 4744 29649123 oqpsk tpc .793 7600 47500000 8psk tre 2/3 9600 52000000 8psk tpc 3/4 10800 20000000 8psk tpc 7/8 12600 20000000 8psk tpc .495 7116 44473684 8psk tpc .793 11400 71250...

  • Page 140

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-7 188 mode modulation code rate min data rate max data rate bpsk vit 1/2 2400 13823529 bpsk vit 2/3 2950 18431373 bpsk vit 3/4 3318 20735294 bpsk vit 5/6 3687 23039216 bpsk vit 7/8 3871 24191176 qpsk vit 1/2 4424 27647059 qp...

  • Page 141

    Technical specifications dmd50 universal satellite modem 7-8 tm118 – rev. 1.1 7.19 ber specifications 7.19.1 ber performance (viterbi) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber viterbi decoder specification 1/2 rate specification 3/4 rate specification...

  • Page 142

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-9 7.19.2 ber performance (sequential) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber sequential decoder specification 1/2 rate specification 3/4 rate specification 7/8 rate typical ...

  • Page 143

    Technical specifications dmd50 universal satellite modem 7-10 tm118 – rev. 1.1 7.19.3 ber performance (viterbi with reed-solomon) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber viterbi decoder reed solomon specification 1/2 rate specification 3/4 rate typic...

  • Page 144

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-11 7.19.4 ber performance ((o)qpsk turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber turbo decoder specification turbo 1/2 specification turbo 3/4 typical performance b/o/qpsk u...

  • Page 145

    Technical specifications dmd50 universal satellite modem 7-12 tm118 – rev. 1.1 7.18.5 ber performance (b/o/qpsk turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber turbo decoder specification turbo 0.495 specification turbo 0.793 typical performance b/o/q...

  • Page 146

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-13 7.18.6 ber performance (8psk turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber turbo decoder specification turbo 3/4 typical performance 8psk uncoded theory specification tur...

  • Page 147

    Technical specifications dmd50 universal satellite modem 7-14 tm118 – rev. 1.1 7.18.7 ber performance (8psk trellis) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber trellis decoder specification 2/3 rate specification 2/3 rate w/rs typical performance 8psk u...

  • Page 148

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-15 7.18.8 ber performance (8psk turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 eb/no in db ber turbo decoder specification turbo 0.793 typical performance 8psk uncoded theory note: eb/no val...

  • Page 149

    Technical specifications dmd50 universal satellite modem 7-16 tm118 – rev. 1.1 7.18.9 ber performance (16qam viterbi) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 eb/no in db ber viterbi decoder specification 3/4 rate specification 7/8 rate typical performance 1...

  • Page 150

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-17 7.18.10 ber performance (16qam viterbi with reed-solomon) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 eb/no in db ber viterbi decoder - reed solomon specification 3/4 rate w/rs speci...

  • Page 151

    Technical specifications dmd50 universal satellite modem 7-18 tm118 – rev. 1.1 7.18.11 ber performance (16qam turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 eb/no in db ber turbo decoder turbo 0.495 turbo 0.793 typical performance 16qam uncoded theory note:...

  • Page 152

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-19 7.18.12 ber performance (16qam turbo) 1e-9 1e-8 1e-7 1e-6 1e-5 1e-4 1e-3 1e-2 1e-1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 eb/no in db ber turbo decoder specification turbo 3/4 typical performance 16qam uncoded theory speci...

  • Page 153

    Technical specifications dmd50 universal satellite modem 7-20 tm118 – rev. 1.1 1/2 rate 3/4 rate 7/8 rate 1/2 rate 3/4 rate 7/8 rate 1e-3 4.2 db 5.3 db 6.2 db 3.9 db 4.9 db 5.8 db 1e-4 4.8 db 6.1 db 7.1 db 4.5 db 5.6 db 6.5 db 1e-5 5.5 db 6.8 db 7.9 db 5.1 db 6.3 db 7.2 db 1e-6 6.1 db 7.6 db 8.6 db ...

  • Page 154

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-21 turbo 0.495 turbo 0.793 turbo 0.495 turbo 0.793 1e-3 2.5 db 3.3 db 2.2 db 3 db 1e-4 2.7 db 3.7 db 2.3 db 3.2 db 1e-5 3 db 4.1 db 2.5 db 3.4 db 1e-6 3.2 db 4.4 db 2.6 db 3.6 db 1e-7 3.5 db 4.8 db 2.7 db 3.8 db 1e-8 3.7 db ...

  • Page 155

    Technical specifications dmd50 universal satellite modem 7-22 tm118 – rev. 1.1 3/4 rate 7/8 rate 3/4 rate 7/8 rate 1e-3 8.9 db 10.3 db 8.1 db 9.5 db 1e-4 9.8 db 11.1 db 9 db 10.3 db 1e-5 10.7 db 11.9 db 9.9 db 11.1 db 1e-6 11.5 db 12.7 db 10.7 db 11.9 db 1e-7 12.4 db 13.5 db 11.6 db 12.7 db 1e-8 13....

  • Page 156

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-23 turbo 1/2 turbo 3/4 turbo 7/8 turbo 1/2 turbo 3/4 turbo 7/8 1e-3 tbd 3.2 db 4 db tbd 2.8 db 3.7 db 1e-4 tbd 3.4 db 4.1 db tbd 3 db 3.8 db 1e-5 2.7 db 3.6 db 4.2 db 2.4 db 3.2 db 3.9 db 1e-6 2.9 db 3.8 db 4.3 db 2.6 db 3.4...

  • Page 157

    Technical specifications dmd50 universal satellite modem 7-24 tm118 – rev. 1.1 7.18.13 agc output voltage the agc output voltage is a function of the input power level in dbm. The agc output voltage is found on the alarm connector pin 14 of j15. Figure 7-13. Agc voltage monitor.

  • Page 158

    Dmd50 universal satellite modem technical specifications tm118 – rev. 1.1 7-25.

  • Page 160

    Dmd50 universal satellite modem appendix a tm118 – rev. 1.1 a-1 product options a a.0 hardware options the following enhanced interface cards are available. A.0.1 g.703/idr esc interface the modem can be equipped with either a g.703 t1/e1/t2/e2 /idr esc interface or g.703 t1/e1/t2/e2/t3/e3/sts1idr e...

  • Page 161

    Appendix a dmd50 universal satellite modem a-2 tm118 – rev. 1.1 a.0.9 hssi / ethernet high-speed serial interface 50-pin scsi-2 type connector. Complies with cisco systems in hssi design specification, revision 3.0. Four rj-45, auto-crossover, auto-sensing, 10/100 ethernet data ports. Complies with ...

  • Page 162

    Dmd50 universal satellite modem appendix a tm118 – rev. 1.1 a-3.

  • Page 164

    Dmd50 universal satellite modem appendix b tm118 – rev. 1.1 b-1 front panel upgrade procedure b b.0 introduction the universal satellite modem offers the ability to perform field upgrades of the modem’s feature set quickly and easily from the front panel. Purchased upgrades will become part of the m...

  • Page 165

    Appendix b dmd50 universal satellite modem b-2 tm118 – rev. 1.1 2. Contact radyne with the unit id and desired upgrades. The modem’s unit id can be found on the front panel as follows: a. From the modem’s main menu, scroll right to the system menu. B. Scroll down. C. Scroll right to the hw/fw config...

  • Page 166

    Dmd50 universal satellite modem appendix b tm118 – rev. 1.1 b-3 b.3 demonstration procedure the procedure for enabling a 30-day demo of the options is similar to the procedure used for permanently updating the modems feature set. The one big difference being that at the end of 30 days, the demo feat...

  • Page 167

    Appendix b dmd50 universal satellite modem b-4 tm118 – rev. 1.1 2. Contact radyne with the unit id and request a demonstration. The modem’s unit id can be found on the front panel as follows: a. From the modem’s main menu, scroll right to the system menu. B. Scroll down. C. Scroll right to the hw/fw...

  • Page 168

    Dmd50 universal satellite modem appendix b tm118 – rev. 1.1 b-5 b.3.1 running in demonstration mode because of the possible interruption in traffic when the demonstration mode expires, several indicators are used to inform an operator that the modem is indeed, operating in demonstration mode. The mo...

  • Page 169

    Appendix b dmd50 universal satellite modem b-6 tm118 – rev. 1.1 b.3.2 canceling demonstration mode at any time, a demonstration may be canceled and have the modem return to its normal operation. Once the demonstration has been canceled, it cannot be restarted using the old demonstration code. In ord...

  • Page 170

    Dmd50 universal satellite modem appendix b tm118 – rev. 1.1 b-7.

  • Page 172

    Dmd50 universal satellite modem appendix c tm118 – rev. 1.1 c- 1 carrier control c c.0 states the transmitter will turn off the carrier output automatically when the modem determines there is a major alarm. This is done to prevent the carrier from outputting an unknown spectrum and possibly disturbi...

  • Page 173

    Appendix c dmd50 universal satellite modem c-2 tm118 – rev. 1.1 c.5 carrier rts modulator output is turned off before reprogramming modulator functions that may alter the output spectrum through the front panel, and the user is required to enter “yes” to re-enable output after the change. When using...

  • Page 174

    Dmd50 universal satellite modem appendix c tm118 – rev. 1.1 c- 3.

  • Page 176

    Dmd50 universal satellite modem appendix d tm118 – rev. 1.1 d- 1 strap codes d d.0 strap codes the strap code is a quick set key that sets many of the modem parameters. For quick setup of the modem, strap codes are very helpful. When a strap code is entered, the modem is automatically configured for...

  • Page 177

    Appendix d dmd50 universal satellite modem d-2 tm118 – rev. 1.1 24 56 1 1/2 vit none v.35 (iess) dis dis qpsk cnt 33 56 1 3/4 vit none v.35 (iess) dis dis qpsk cnt 34 64 1 1/2 vit none v.35 (iess) dis dis qpsk cnt 36 64 1 3/4 vit none v.35 (iess) dis dis qpsk cnt 40 128 1 1/2 vit none v.35 (iess) di...

  • Page 178

    Dmd50 universal satellite modem appendix d tm118 – rev. 1.1 d- 3 76 3264 1 1/2 vit none v.35 (iess) dis dis qpsk cnt 81 3264 1 3/4 vit none v.35 (iess) dis dis qpsk cnt 88 512 16/15 3/4 vit ibs ibs dis dis qpsk ibs 97 1024 1 1/2 vit cnt v.35 (iess) dis dis qpsk cnt 98 1024 1 3/4 vit cnt v.35 (iess) ...

  • Page 179

    Appendix d dmd50 universal satellite modem d-4 tm118 – rev. 1.1 54 1280 16/15 1/2 vit ibs ibs dis dis qpsk cnt 57 1280 16/15 3/4 vit ibs ibs dis dis qpsk cnt 58 1344 16/15 1/2 vit ibs ibs dis dis qpsk cnt 67 1408 16/15 1/2 vit ibs ibs dis dis qpsk cnt 71 1408 16/15 3/4 vit ibs ibs dis dis qpsk cnt 7...

  • Page 180

    Dmd50 universal satellite modem appendix d tm118 – rev. 1.1 d- 5 2.048 mbps 1/2, 3/4, 7/8 rate fec 1.544 mbps or below 1/2, 3/4, 7/8 rate fec ibs: 2.048 mbps or below 1/2, 3/4, 7/8 rate closed network: 8.448: 96 kb framing or no framing, 3/4, 7/8 rate fec 6.312: 96 kb framing or no framing, 1/2, 3/4...

  • Page 181

    Appendix d dmd50 universal satellite modem d-6 tm118 – rev. 1.1 demodulator: method 1 - under interface menu: set interface type set buff clock selection set buffer size set mode to idr under demod if menu: set desired rx frequency under demod data menu: set code rate to 3/4 vit set data rate for 84...

  • Page 182

    Dmd50 universal satellite modem appendix d tm118 – rev. 1.1 d- 7 demodulator: method 1 - under interface menu: set interface type set buff clock selection set buffer size set framing to 1/15: set mode to ibs: under demod if menu: set desired rx frequency under demod data menu: set code rate to 3/4 v...

  • Page 183

    Appendix d dmd50 universal satellite modem d-8 tm118 – rev. 1.1 demodulator: method 1 - under interface menu: set interface type set buff clock selection set buffer size set mode to: closed net under demod if menu: set desired rx frequency under demod data menu: set code rate to 3/4 vit set framing ...

  • Page 184

    Dmd50 universal satellite modem appendix d tm118 – rev. 1.1 d- 9.

  • Page 186

    Dmd50 universal satellite modem appendix e tm118 – rev. 1.1 e- 1 tcp/ip ethernet setup e e.0 introduction the modem supports snmp, ftp protocols and the web browser. Utilization of the protocols is dependent upon proper set up of the tcp-ip menus. This document is to be used only as a guideline for ...

  • Page 187

    Appendix e dmd50 universal satellite modem e-2 tm118 – rev. 1.1 d. Ip test: the ip test selection is similar in behavior to the default selection. When enabled, the following preset parameters will be programmed and will not change until the selection is changed. To edit these parameters, change the...

  • Page 188

    Dmd50 universal satellite modem appendix e tm118 – rev. 1.1 e- 3 8. Modem eaddr: this displays the modem (unit) ethernet address. The modem ethernet address is configured at the factory. It is a unique radyne equipment identifier address. Example: 0010650903eb 9. Ether rate: this displays the curren...

  • Page 189

    Appendix e dmd50 universal satellite modem e-4 tm118 – rev. 1.1 the computer tcp/ip must be properly configured in order to obtain connectivity. The following set-up procedure can be used as a guide to aide in this setup. The following instructions apply only to windows 2000 or xp classic. 1. Click ...

  • Page 190

    Dmd50 universal satellite modem appendix e tm118 – rev. 1.1 e- 5 local area connection properties box 4. Select “use the following ip address”. Enter in the ip address that is offset by 5 or so numbers from the equipment address (the computer and the equipment that it is connecting to can not have i...

  • Page 191

    Appendix e dmd50 universal satellite modem e-6 tm118 – rev. 1.1 e.3.3 testing the ethernet connection using the ping program (optional) to verify that connectivity and settings are correct, use the ping command to report if the host (equipment) is correctly responding. This is accomplished by openin...

  • Page 192

    Dmd50 universal satellite modem appendix e tm118 – rev. 1.1 e- 7.

  • Page 194

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 f -1 web browser setup guide f f.0 introduction the web browser allows for connection to radyne products through the ethernet port. The web interface allows for complete control and monitoring of all equipment parameters and functions via a...

  • Page 195

    Appendix f dmd50 universal satellite modem f-2 tm118 – rev. 1.1 the web user database consists of three users (user 1, user 2, user 3), with initial default names of guest, oper, and admin. Access rights and authentication make it possible to restrict access to a specified set of web users. There ar...

  • Page 196

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 f -3 2. User 1 : this will allow the operator to change the user name, assign the access group, authorized password for “user 1”. Upon entering the following fields will be displayed: a. Access group: this will allow the assignment of “no g...

  • Page 197

    Appendix f dmd50 universal satellite modem f-4 tm118 – rev. 1.1 f.2 modem web site once it is determined that the modem is reachable, start the internet browser and type the modem ip address in the address field then press the enter key. The equipment introduction page will display general informati...

  • Page 198

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 f -5 enter “admin” for the user name and “admin” for the password to gain access with full privileges to the other pages within the browser. Dmd50 login window upon completion of a successful login, the user will be able to access the other...

  • Page 199

    Appendix f dmd50 universal satellite modem f-6 tm118 – rev. 1.1 below the menu gel tabs, the main menu section will reflect the current programmed control state. At the top of the page, breadcrumb location identifier reminds the user how the page is selected (location identifier). There is a simple ...

  • Page 200

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 f -7.

  • Page 202

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 g -1 aupc operation g g.0 automatic uplink power control (aupc operation) the modem has an optional built-in provision for automatic uplink power control, aupc. Aupc is useful when operating power levels are affected by environmental change...

  • Page 203

    Appendix g dmd50 universal satellite modem g-2 tm118 – rev. 1.1 g.0.2 ef aupc in ef aupc mode, the target e b /n o indicates the local unit wants the remote unit to maintain a power level sufficient to provide the local e b /n o value. Ef aupc can be set to operate on either or both directions of a ...

  • Page 204

    Dmd50 universal satellite modem appendix f tm118 – rev. 1.1 g -3 the aupc menu functions and their descriptions are shown on table g-1 ands g-2. Table g-1. Local aupc functions function aupc available options description aupc mode disable, nearside, radyne, efdata enables/disables the aupc to functi...

  • Page 205

    Appendix g dmd50 universal satellite modem g-4 tm118 – rev. 1.1.

  • Page 206

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -1 drop and insert (d&i) h h.0 drop and insert (d&i) the drop and insert (d&i) function provides an interface between a full t1 or e1 trunk whose framing is specified in ccitt g.704 and a fractional nx64 kbps satellite channel. The drop a...

  • Page 207

    Appendix h dmd50 universal satellite modem h-2 tm118 – rev. 1.1 figure h-1. Looped modems figure h-2. Looped modems with separate d&i trunks.

  • Page 208

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -3 h.0.1 drop only when drop is enabled and insert is disabled, the unit performs a drop-only function. Framed e1 or t1 data is input via the send data in port, the selected timeslots are dropped into the ibs frame structure, and the unal...

  • Page 209

    Appendix h dmd50 universal satellite modem h-4 tm118 – rev. 1.1 figure h-5. Insert only with internal frame source.

  • Page 210

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -5 h.0.3 mode selection d&i can be easily configured to support several commonly used terrestrial data formats. For e1 data, the user can choose between pcm-30, pcm-30c, pcm-31 and pcm-31c. For t1 data, the user can choose between t1-d4, ...

  • Page 211

    Appendix h dmd50 universal satellite modem h-6 tm118 – rev. 1.1 h.0.3.5 t1-d4/t1-d4-s the t1-d4 mode of operation supports a t1 interface with 12 frames per multiframe. The user may independently program n timeslots to drop and n timeslots to insert where n = 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20,...

  • Page 212

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -7 h.0.5 drop and insert mapping the following displays under interface d&i setup (both tx and rx), are editing displays only: satch ts enter to edit any changes made in these displays are made on the screen, but are not entered into the ...

  • Page 213

    Appendix h dmd50 universal satellite modem h-8 tm118 – rev. 1.1 example : for a modem w/ drop & insert enabled at a data rate of 256 (with timeslots assigned 1 - 1, 2 - 2, etc.). At a data rate of 256, the modem will allow 4 channels to assign timeslots. Under the tx menu, assign the timeslots that ...

  • Page 214

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -9 to view the current timeslot assignment: 1. If there is a question of the channels not being entered properly, the mapping menu may be used to see how the channels/timeslots are configured in the modem. 2. Use and the arrow keys to mak...

  • Page 215

    Appendix h dmd50 universal satellite modem h-10 tm118 – rev. 1.1 mode such as t1-d4 with the demod data rate set to 1920000 bps will result in the error message invalid insert mode and the selection will not be allowed. • once d&i mode has been selected, trying to change the data rate to something o...

  • Page 216

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -11 the selection of pcm-30 or pcm-30c type terrestrial framing limits the terrestrial timeslots to values from 1 - 15, 17 - 31. In these modes, terrestrial timeslot 16 is reserved for abcd signaling and may not be dropped or inserted. Th...

  • Page 217

    Appendix h dmd50 universal satellite modem h-12 tm118 – rev. 1.1 under modulator: under mod data: set data rate = 512000 set conv enc = 3/4 rate vit under modulator: set network spec. = drop & insert under interface: under tx setup: set tx type according to your hardware configuration (example: g703...

  • Page 218

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -13 under interface: under rx setup: set rx type according to your hardware configuration set buff size to desired depth under rx d&i: set insert mode = t1-d4 set t1 e1 frm src = external use satch ts edit capability to define proper mapp...

  • Page 219

    Appendix h dmd50 universal satellite modem h-14 tm118 – rev. 1.1 figure h-8. Single trunk figure h-9. Rx only with trunk figure h-10. Rx only no trunk.

  • Page 220

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -15 h.2 d&i maps and map editing the drop and insert multiplexer is programmed by loading it with a transmit and receive map. Maps always contain 30 entries, although, only the first “n” entries are relevant (see table 4-5). The modem inc...

  • Page 221

    Appendix h dmd50 universal satellite modem h-16 tm118 – rev. 1.1 rom maps are read-only and may not be modified (refer to table h-2). Table h-2. D&i rom maps rom map t1/e1 time slot # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

  • Page 222

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -17 the following paragraphs give examples of typical configurations that could use the rom maps as templates. The rom map used would have to be first copied to the appropriate active transmit (drop) and/or active receive (insert) map(s) ...

  • Page 223

    Appendix h dmd50 universal satellite modem h-18 tm118 – rev. 1.1 rom map 6 could be used as the template for an active transmit (drop) and/or active receive (insert) map with a modulator and/or demodulator configured for 768 kbps operation. The t1 or e1 data in the transmit path or the demodulated d...

  • Page 224

    Dmd50 universal satellite modem appendix h tm118 – rev. 1.1 h -19.

  • Page 226

    Dmd50 universal satellite modem appendix i tm118 – rev. 1.1 i -1 efficient drop & insert i i.0 introduction the following paragraphs describe the menu structure and procedure for configuring a modem for efficient drop & insert mode. I.1 prerequisite in order for a modem to be configured for efficien...

  • Page 227

    Appendix i dmd50 universal satellite modem i-2 tm118 – rev. 1.1 i.2 efficient drop & insert mode with efficient drop & insert, the terrestrial interface selections, terrestrial framing modes, terrestrial to satellite mapping, es to es channel, satellite and terrestrial backward alarm functionality, ...

  • Page 228

    Dmd50 universal satellite modem appendix i tm118 – rev. 1.1 i -3 i.2.1 calculating the required satellite bandwidth in order to calculate the satellite bandwidth (i.E. The symbol rate), we must first calculate the efficient d&i rate (i.E. The data rate plus the overhead required for efficient drop &...

  • Page 229

    Appendix i dmd50 universal satellite modem i-4 tm118 – rev. 1.1 summary and examples: the following examples further illustrate how to calculate the efficient d&i rate which can be summarized for n timeslots as: efficient d&i rate = data rate + (n * 250 bps) with e1 signaling add n * 2000 bps with e...

  • Page 230

    Dmd50 universal satellite modem appendix i tm118 – rev. 1.1 i -5 example 2b: change to e1-pcm30 framing (e1 signaling), standard es to es overhead add 10 * 2000 bps to our previous calculation gives 662500 bps still saving over 20,000 bps compared to the drop & insert open network standard. Example ...

  • Page 231

    Appendix i dmd50 universal satellite modem i-6 tm118 – rev. 1.1.

  • Page 232

    Dmd50 universal satellite modem appendix j tm118 – rev. 1.1 i -1 glossary j a a ampere ac alternating current adc analog to digital converter agc automatic gain control ais alarm indication system. A signal comprised of all binary 1s. Amsl above mean sea level ansi american national standards instit...

  • Page 233

    Appendix i dmd50 universal satellite modem j-2 tm118 – rev. 1.1 c c celsius cats computer aided test software ca/xxxx cable assembly cd-rom compact disk – read only memory clk clock cm centimeter com common cpu central processing unit crc cyclic redundancy check. A system of error checking performed...

  • Page 234

    Dmd50 universal satellite modem appendix j tm118 – rev. 1.1 i -3 f f fahrenheit fas frame acquisition sync. A repeating series bits, which allow acquisition of a frame. Fcc federal communications commission fec forward error correction fifo first in, first out fpga field programmable gate arrays fw ...

  • Page 235

    Appendix i dmd50 universal satellite modem j-4 tm118 – rev. 1.1 k kbps kilobits per second kbps kilobytes per second kg kilogram khz kilohertz ksps kilosymbols per second l lcd liquid crystal display led light emitting diode lo local oscillator m ma milliampere mbps megabits per second mfas multi-fr...

  • Page 236

    Dmd50 universal satellite modem appendix j tm118 – rev. 1.1 i -5 q qam quadrature amplitude modulation qpsk quadrature phase shift keying r ram random access memory rf radio frequency rom read only memory rms root mean square ru rack unit. 1 ru = 1.75”/4.45 cm rx receive (receiver) rxd receive data ...

  • Page 237

    Appendix i dmd50 universal satellite modem j-6 tm118 – rev. 1.1 w x y z w watt misc. µs microsecond 16qam 16 quadrature amplitude modulation 8psk 8 phase shift keying.