Radyne DMD15 Installation And Operation Manual

Manual is about: Radyne, Inc. user guide Modem Installation DMD15, DMD15L

Summary of DMD15

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    Dmd15/dmd15l ibs/idr universal satellite modem installation and operation manual tm051 - rev. 5.8 - notice - © 2005, radyne, inc. This manual may not in whole or in part be copied, reproduced, translated or reduced to any electronic or magnetic storage medium without the written consent of a duly au...

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    Latest software revision confirmation when new features are added to radyne, inc. Equipment, the control parameters are appended to the end of the non-volatile section of the remote communications specification, and status of the features, if any, are added at the end of the volatile section. If a r...

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    Dmd15/dmd15l ibs/idr satellite modem warranty policy tm051 - rev. 5.8 iii radyne, inc. Warranty policy warranty and service radyne, inc. (seller) warrants the items manufactured and sold by radyne, inc. To be free of defects in material and workmanship for a period of two (2) years from date of ship...

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    Warranty policy dmd15/dmd15l ibs/idr satellite modem tm051 – rev. 5.8 iv radyne, inc.’s liability for damages shall not exceed the payment, if any, received by radyne, inc. For the unit or product or service furnished or to be furnished, as the case may be, which is the subject of claim or dispute. ...

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    Dmd15/dmd15l ibs/idr satellite modem record of revisions tm051 - rev. 5.8 v dmd15/dmd15l ibs/idr universal satellite installation and operation manual tm051 – record of revisions radyne, inc. Is constantly improving its products and therefore the information in this document is subject to change wit...

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    Dmd15/dmd15l ibs/idr satellite modem tm051 – rev. 5.8 vi.

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    Dmd15/dmd15l ibs/idr satellite modem table of contents tm051 - rev. 5.8 vii table of contents section 1 – introduction 1.0 description _____________________________________________________ 1-1 1.1 dmd15/dmd15l available options __________________________________ 1-1 1.1.1 internal high stability ___...

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    Table of contents dmd15/dmd15l ibs/idr satellite modem viii tm051 - rev. 5.8 section 3 – operation 3.0 theory of operation ______________________________________________ 3-1 3.1 dmd15/dmd15l functional block diagram ____________________________ 3-1 3.2 universal interface module (uim) ______________...

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    Dmd15/dmd15l ibs/idr satellite modem table of contents tm051 - rev. 5.8 ix 3.11.8 scr: serial clock receive _____________________________________ 3-12 3.11.9 ext if ref: external if reference_______________________________ 3-12 3.12 transmit timing _______________________________________________ 3-1...

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    Table of contents dmd15/dmd15l ibs/idr satellite modem x tm051 - rev. 5.8 3.24 reacquisition__________________________________________________ 3-27 section 4 – user interfaces 4.0 user interfaces __________________________________________________ 4-1 4.1 front panel user interface __________________...

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    Dmd15/dmd15l ibs/idr satellite modem table of contents tm051 - rev. 5.8 xi section 5 – electrical interfaces 5.0 dmd15/dmd15l connections ______________________________________ 5-1 5.1 power inputs ____________________________________________________ 5-2 5.1.1 ac power input module _________________...

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    Table of contents dmd15/dmd15l ibs/idr satellite modem xii tm051 - rev. 5.8 section 7 – technical specifications 7.0 modulator specifications ___________________________________________ 7-1 7.1 demodulator specifications ________________________________________ 7-1 7.2 plesiochronous buffer ________...

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    Dmd15/dmd15l ibs/idr satellite modem introduction tm051 - rev. 5.8 1-1 section 1 – introduction 1.0 description the radyn, inc. Dmd15/dmd15l satellite modem (figure 1-1) offers the best features of a sophisticated programmable ibs/idr and closed network modem, at an affordable price. This versatile ...

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    Introduction dmd15/dmd15l ibs/idr satellite modem 1-2 tm051 – rev. 5.8 1.1.3 turbo codec the dmd15/dmd15l can be equipped with an optional turbo codec outer code. This option must be installed at the factory. 1.1.4 drop and insert (d&i) the dmd15/dmd15l can be equipped with a d&i interface as an add...

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    Dmd15/dmd15l ibs/idr satellite modem introduction tm051 - rev. 5.8 1-3 the dmd15/dmd15l can be equipped with an optional om73 scrambler at the customer’s request. This option must be prepped at the factory. Once installed, selection of the om73 scrambler/descrambler will automatically invert the bas...

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    Dmd15/dmd15l ibs/idr satellite modem installation tm051 - rev. 5.8 2-1 section 2 – installation 2.0 installation requirements the dmd15/dmd15l modem is designed to be installed within any standard 19-inch wide equipment cabinet or rack, and requires one rack unit (ru) of mounting space (1.75 inches)...

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    Installation dmd15/dmd15l ibs/idr satellite modem 2-2 tm051 – rev. 5.8 always ensure that power is removed from the dmd15/dmd15l before removing or installing a uim. Failure to do so may cause damage to the equipment. Should the power cable/ac connector be of the wrong type for the installation, eit...

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    Dmd15/dmd15l ibs/idr satellite modem installation tm051 - rev. 5.8 2-3 standard dmd15/dmd15l factory configuration settings modulator: data rate: 2.048 mbps mode: closed network forward error correction: 1/2 rate viterbi modulation: qpsk frequency: 70.000000 mhz note: the above modem configuration c...

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    Installation dmd15/dmd15l ibs/idr satellite modem 2-4 tm051 – rev. 5.8 the initial field checkout of the modem can be accomplished from the front panel or in the terminal mode. The terminal mode has the advantage of providing full screen access to all of the modem’s parameters, but requires a separa...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-1 section 3 – operation 3.0 theory of operation the dmd15/dmd15l is designed in three major sections: universal interface, baseband processing, and universal modem. 3.1 dmd15/dmd15l functional block diagram figures 3-1a through 3-1c r...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-2 tm051 – rev. 5.8 figure 3-1b (alternate 1). Dmd15/dmd15l universal satellite modem functional block diagram figure 3-1c (alternate 2). Dmd15/dmd15l universal satellite modem functional block diagram.

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-3 3.2 universal interface module (uim) the universal interface module (uim) is a field-replaceable module that plugs into the rear of the dmd15/dmd15l. The uim provides the interconnection points (j3 - j8) for terrestrial data and clo...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-4 tm051 – rev. 5.8 figure 3-3. Universal interface modules (uim) functional block diagram 3.3 synchronous interface synchronous tx data and clock enters the uim and is routed to either the rs-422, rs-232, or v.35 receiver as the selected m&c processor...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-5 can be connected to the ‘insert data in’ port where received data will overwrite ‘dropped on’ the t1/e1 data stream. The modified t1/e1 data stream will then exit the modem out of the ‘receive data out’ port. 3.5 earth station to ea...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-6 tm051 – rev. 5.8 figure 3-4. Loopback functional block diagram.

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-7 figure 3-5. Loopback functional block diagram figure 3-6. Loopback functional block diagram.

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-8 tm051 – rev. 5.8 3.8 baseband processor card the baseband processor card (bb card) contains two major subsystems ⎯ the baseband processing system and the monitor and control subsystem. 3.8.1 baseband processing the baseband processor performs all of...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-9 3.8.3 rx baseband processing the receive processor performs the inverse function of the tx processor. Data received from the satellite passes through the bb loopback circuit to the reed-solomon decoder to the deframer. The deframer ...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-10 tm051 – rev. 5.8 3.9.4 front panel interface the m&c operates the front panel, which includes a 2 x 12 backlit lcd, indicator leds, and a numeric keypad. 3.9.5 clock the time and date is kept in order to ‘time-tag’ system events. 3.9.6 watchdog tim...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-11 3.10.2 demodulator the demodulator performs a complete digital implementation of a variable-rate phase-lock satellite receiver utilizing state-of-the-art digital signal processing techniques. The demodulator is capable of receiving...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-12 tm051 – rev. 5.8 3.11.7 idi: insert data in this clock source is only used as an external frame source selected in d&i mode. If external frame source is selected, then idi must be selected for the buffer clock. For this case, a receive t1/e1 trunk ...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-13 3.14 loop timing if loop timing is desired (i.E.; the modem timing is slaved to the far end master station), the modem clocks can be configured as follows: 3.14.1 transmit (rs-422 or v.35 interface) set sct source to ‘scr’. The tx ...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-14 tm051 – rev. 5.8 figure 3-8. Looped modems figure 3-9. Looped modems with separate d&i trunks.

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-15 3.15.1 drop only when drop is enabled and insert is disabled, the dmd15/dmd15l 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,...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-16 tm051 – rev. 5.8 figure 3-12. Insert only with internal frame source 3.16 mode selection the dmd15/dmd15l 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-3...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-17 3.16.4 pcm-31c the pcm-31c mode of operation supports an e1 interface with no multiframe alignment (mfas) or channel associated signaling (cas). In addition, the drop function verifies the received terrestrial crc checksum and the ...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-18 tm051 – rev. 5.8 figure 3-13. Multidestinational communications 3.17 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...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-19 for the transmit side: 1. Push to get the flashing cursor. 2. Use the up arrow key to make the left portion of the display read “tx edit”. 3. Use the right or left arrow keys to switch the flashing cursor to the right portion of th...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-20 tm051 – rev. 5.8 5. Press . The modem has now copied the current rx settings to the rx channel/timeslot display ). Note: it is not mandatory to assign timeslots in sequential order, although the lowest timeslot must be entered in the lowest channel...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-21 figure 3-15. Reed-solomon decoder functional block diagram.

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-22 tm051 – rev. 5.8 table 3-1. Reed-solomon codes for idr type of service data rate (kbps) rs code (n, k, t) 1 bandwidth expansion [ (n/k) -1 ] interleaving depth maximum 2 rs codec delay (ms) small idr (with 16/15 o/h) 64 128 256 384 512 768 1024 153...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-23 the ibs async framer data mode provides a service channel between the two sites of a link permitting the modem processors to send messages and get responses over this channel. Aupc can be set to operate on either or both directions...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-24 tm051 – rev. 5.8 3.20 dmd15 asynchronous overhead operation 3.20.1 asynchronous framing/multiplexer capability the asynchronous framing/multiplexer is capable of multiplexing a relatively low-speed overhead channel onto the terrestrial data stream ...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-25 896 19200 960 19200 1024 19200 1088 19200 1152 19200 1216 19200 1280 19200 1344 19200 1408 19200 1472 19200 1536 19200 1600 19200 1664 19200 1728 19200 1792 19200 1856 19200 1920 19200 1984 19200 2048 19200

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-26 tm051 – rev. 5.8 3.21 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 table 3-4 below: table 3-4. Bit 1 es to es data channel this ...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-27 the user can connect whichever systems on the earth stations that they desire to these backward alarms relays as long as they will supply ground to the backward alarm relay input in the “no fault” condition and the ground will be r...

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    Operation dmd15/dmd15l ibs/idr satellite modem 3-28 tm051 – rev. 5.8 acquire signal locked track current frequency locked use reacquisition sweep limits to acquire signal reacquisition limits opcode 0x2a2f 0 - 32000 hz sweep delay != 0 normal operation start delay timer timer expired go back to norm...

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    Dmd15/dmd15l ibs/idr satellite modem operation tm051 - rev. 5.8 3-29.

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-1 section 4 – user interfaces 4.0 user interfaces there are three user interfaces available for the dmd15/dmd15l. These are: • front panel • remote port • terminal 4.1 front panel user interface the front panel of the dmd15/dmd1...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-2 tm051 – rev. 5.8 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 automati...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-3 4.1.4 front panel led indicators eight leds on the dmd15/dmd15l front panel (refer to table 4-3) indicate the status of dmd15/dmd15l operation. The led colors maintain a consistent meaning. Green signifies that the indication ...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-4 tm051 – rev. 5.8 figure 4-2. Entering new parameters 4.3 front panel control screen menus the dmd15/dmd15l front panel control screens are broken down into sections under several main menus. 4.3.1 main menus modulator demodulator interface mon...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-5 cannot be changed while the unit is in the given mode of operation: idr mode: (iess-308) for data rates 1.544, 2.048, 6.312, 8.448 mbps framing type: 96 kbps (idr) scrambler type: v.35 spectrum mask: intelsat for data rates fr...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-6 tm051 – rev. 5.8 strap code: {refer to strap code guide, table 4-4} the strap code is a quick set key that sets many modem parameters. Consult the strap code guide for available strap codes. Parameters set by strap code: data rate code rate mo...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-7 mod data (menu): data rate: {refer to technical specs for data rates} allows the user to set the data rate in bps steps via the front panel arrows or keypad. Symbol rate: allows the user to view the symbol rate. Conv enc: {1/2...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-8 tm051 – rev. 5.8 4.3.3 demodulator menu options and parameters mode: {idr, ibs, closed net, drop & insert} used with idr, or ibs interface only. The mode command sets a number of parameters within the modem to meet a set specification. The pur...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-9 demod if (menu): frequency: {50 – 90 mhz, 100 – 180 mhz, or 950 – 1750 mhz (l- band)} allows the user to enter the modulator if frequency in 1 hz increments. Spectrum inv: {normal, inverted} allows the user to invert the direc...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-10 tm051 – rev. 5.8 demod data (menu): data rate: {refer to technical specs for data rates} allows the user to set the data rate in bps steps via the front panel arrows or keypad. Symbol rate: allows the user to view the symbol rate. Conv dec: {...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-11 reed-solomon (menu): these selections are visible only when the reed- solomon option is installed. Enable/disable {enable, disable} allows the user to enable/disable the reed-solomon encoder. Rs codes {refer to appendix a for...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-12 tm051 – rev. 5.8 tx d&i (menu): drop mode: {enable, disable} allows the user to enable or disable the following: t1-d4, t1-esf, pcm-30, pcm-30c, pcm-31, pcm-31c, slc-96, t1-d4-s, t1-esf-s. Map copy: {rx edit, tx edit, rx acti, tx acti, rom 1…...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-13 allows the user to select the buffer clock source. Must set buff size to zero to bypass. Clk polarity: {normal, inverted} allows the user to select the buffer clock polarity for the tx terrestrial clock relative to the tx dat...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-14 tm051 – rev. 5.8 es baud: {150-19200} allows the user to select the baud rate in enhanced async mode. Available rates are listed in sect 3.20.1 es data bits: {7,8} allows the user to choose between 7 or 8 bit data. 4.3.5 aupc menu options and...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-15 e b /n o and commands to the remote modem to increase or decrease transmit power accordingly are sent. Tracking rate: {0.5 to 6.0} allows the user to set the rate at which the commands to increase or decrease transmit power a...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-16 tm051 – rev. 5.8 remote aupc (menu): the 'remote aupc configuration' menu contains the remote configuration parameters for the aupc function. Aupc enable: {off, on} allows the user to enable or disable the aupc function of the remote modem. T...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-17 event buff: displays a history of events recorded in the event buffer. A maximum of 40 events may be stored in the buffer. Upon receipt of the 41 st event, the first received event is automatically deleted, and so on, maintai...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-18 tm051 – rev. 5.8 parameter changes. A solid indication indicates a hardware or programming failure within the modem. Compclk mask: {pass/fail, no/yes} indicates that tx composite clock pll is not locked. This alarm will flash on during certai...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-19 terrclk mask: {pass/fail, no/yes} indicates no terrestrial clock activity. Intclk mask: {pass/fail, no/yes} indicates no sct clock activity. Txsatck mask: {pass/fail, no/yes} indicates no tx sat clock activity. Tx data mask: ...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-20 tm051 – rev. 5.8 buf clk mask: {pass/fail, no/yes} indicates that the selected buffer clock source is not active. Rx sat mask: {pass/fail, no/yes} indicates that the rx sat buffer clock source is not active. Insert mask: {pass/fail, no/yes} i...

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    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-21 +12 power: {pass/fail, no/yes} indicates power supply voltage out of range. +5 power: {pass/fail, no/yes} indicates power supply voltage out of range. Battery: {pass/fail, no/yes} indicates that internal clock battery is low....

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-22 tm051 – rev. 5.8 ext ref mask: {pass/fail, no/yes} indicates no activity on the external reference. Histab mask: {pass/fail, no/yes} indicates if high stability oscillator is active. Latched alrm (menu): the following alarms are latched in or...

  • Page 74

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-23 minor rx (menu): rxbuf alarms (menu): bufuflw: bufoflw: buf buf>90%: rx activity (menu): rxsat: rxdata: satais: insclk: common (menu): -12 power: +12 power: +5 power: battery: ram/rom: m&c uproc: ext ref lock: backward alr (m...

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    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-24 tm051 – rev. 5.8 backward 2: {xmt = no/yes} backward 3: {xmt = no/yes} backward 4: {xmt = no/yes} clear alarms: allows the user to reset the latched alarms. 4.3.8 system menu options and parameters control mode: {front panel, terminal, comput...

  • Page 76

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-25 firmware rev (menu): interface (menu): uio code: uio xilinx: m&c: term baud: {same as remote baud listed below} displays the terminal port baud rate. Emulation: {vt100, adds-vp, wyse 50} allows the user to select the terminal...

  • Page 77

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-26 tm051 – rev. 5.8 loopbacks: terrestrial loopback is performed at the terrestrial interface if: if loopback loops the if output of the modulator to the if input of the demodulator. If using 8psk or 16qam modulation the output power must be abo...

  • Page 78

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-27 use the following strap code guide for available strap codes. Table 4-4. Dmd15/dmd15l strap codes strap code (dec) data rate (kbps) overhead code rate framing scrambler drop and insert reed- solomo n modulation 1 64 16/15 1/2...

  • Page 79

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-28 tm051 – rev. 5.8 44 896 1 3/4 cnt v.35 (iess) disable disable qpsk 7 1344 1 1/2 cnt v.35 (iess) disable disable qpsk 11 1344 1 3/4 cnt v.35 (iess) disable disable qpsk 13 1536 1 1/2 cnt v.35 (iess) disable disable qpsk 14 1536 1 3/4 cnt v.35 ...

  • Page 80

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-29 104 576 16/15 1/2 ibs ibs disable disable qpsk 148 576 16/15 3/4 ibs ibs disable disable qpsk 152 640 16/15 1/2 ibs ibs disable disable qpsk 161 640 16/15 3/4 ibs ibs disable disable qpsk 162 704 16/15 1/2 ibs ibs disable dis...

  • Page 81

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-30 tm051 – rev. 5.8 99 1792 16/15 3/4 ibs ibs disable disable qpsk 101 2048 16/15 3/4 ibs ibs disable disable qpsk 102 1856 16/15 1/2 ibs ibs disable disable qpsk 105 1856 16/15 3/4 ibs ibs disable disable qpsk 106 2048 1* 3/4 ibs ibs disable di...

  • Page 82

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-31 idr: 8.448 mbps - 3/4, 7/8 rate fec 6.312 mbps - 1/2, 3/4, 7/8 rate fec 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 ...

  • Page 83

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-32 tm051 – rev. 5.8 demodulator: method 1 - 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 8448000 under interface menu: set interface type set buff clock selection...

  • Page 84

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-33 set demod strap code to: 120 under demod if menu: set desired rx frequency under interface menu: set interface type set buff clock selection set buffer size case 3: closed network, 3/4 rate viterbi, ibs overhead starting with...

  • Page 85

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-34 tm051 – rev. 5.8 under interface menu: under tx setup menu: set intf to rs-422 set sct source to scr set tx clock to scte method 2 - set mode to closed net under interface menu: under tx setup menu: set intf to rs-422 set sct source to scr se...

  • Page 86

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-35 n = 15, data rate = 960000 n = 16, data rate = 1024000 n = 20, data rate = 1280000 n = 24, data rate = 1536000 n = 30, data rate = 1920000 (valid with e1 interface only) 4.6.2 operational mode the operational mode of the mode...

  • Page 87

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-36 tm051 – rev. 5.8 modified. Attempts to select a different buffer clock will result in the error message invalid buffer clock and the selection will not be allowed. When the insert terrestrial frame source selection is set to internal, the ope...

  • Page 88

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-37 under interface: under tx setup: set tx type according to your hardware configuration (example: g703bt1b8zs) set tx clock = scte under tx d&i: set drop mode = t1-d4 use satch ts edit capability to define desired mapping of sa...

  • Page 89

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-38 tm051 – rev. 5.8 under demodulator: under demod data: set data rate = 1536000 set conv enc = vit 3/4 under demodulator: set mode = drop & insert under interface: under rx setup: set rx type according to your hardware configuration set buff si...

  • Page 90

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-39 figure 4-4. Single trunk figure 4-5. Rx only with trunk figure 4-6. Rx only no trunk.

  • Page 91

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-40 tm051 – rev. 5.8 4.7 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 ...

  • Page 92

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-41 table 4-6. D&i rom maps ro m 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 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1...

  • Page 93

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-42 tm051 – rev. 5.8 first entry in the active transmit table and would ignore the other 29 entries. If the map contained an “8” in its first entry, the eighth channel of the t1/e1 frame would be sent to the modulator. Rom map 2 could be used as ...

  • Page 94

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-43 multiframe alignment signal and therefore channels 1 through 30 are mapped to time slots 1 through 16 and 17 through 31. 4.8 terminal mode control the dmd15/dmd15l terminal mode control allows the use of an external terminal ...

  • Page 95

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-44 tm051 – rev. 5.8 4.9 modem remote communications 4.9.1 host computer remote communications note: this specification is applicable to the dmd15, dmd10 and dmd10l modems. Any reference to the dmd15 in this document can be applicable to any one ...

  • Page 96

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-45 : the source identifier defines the multi-drop address origin. Note: all nodes on a given control bus have a unique address that must be defined. : the destination identifier serves as a pointer to the multi-drop destination ...

  • Page 97

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-46 tm051 – rev. 5.8 thus, the checksum is 00000101b; which is 05h or 5 decimal. Alternative methods of calculating the checksum for the same message frame are: 00h + 02h + f0h + 2ah + 09h + 00h + 03h + dfh + feh = 305h. Since the only concern is...

  • Page 98

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-47 the full handshake/acknowledgment involves a reversal of source and destination id codes in the next message frame, followed by a response code in the field of the message packet from the equipment under control. If a command...

  • Page 99

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-48 tm051 – rev. 5.8 mparm_extrefsource_error 0x0407 mparm_modulationtype_error 0x0408 mparm_convencoder_error 0x0409 mparm_reedsolomon_error 0x040a mparm_scramblercontrol_error 0x040b mparm_scramblertype_error 0x040c mparm_ibsscrambler_error 0x0...

  • Page 100

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-49 mparm_symbolrate_error 0x042c mparm_notimplemented_error 0x042d mparm_transfertype_error 0x042f mparm_summaryfault_error 0x0430 mparm_datainvert_error 0x0431 mparm_escsource_error 0x0432 mparm_fmorderwire_error 0x0433 mparm_f...

  • Page 101

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-50 tm051 – rev. 5.8 dparm_differentialdecoder_error 0x060b dparm_descramblercontrol_error 0x060c dparm_descramblertype_error 0x060d dparm_spectrum_error 0x060e dparm_buffersize_error 0x060f dparm_bufferclock_error 0x0610 dparm_bufferclockpol_err...

  • Page 102

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-51 mdparm_mapnumber_error 0x0a00 mdparm_time_error 0x0a01 mdparm_date_error 0x0a02 mdparm_terminalemulation_error 0x0a05 mdparm_terminalbaudrate_error 0x0a06 mdparm_ebno_threshold_error 0x0a07 4.9.1.5 collision avoidance when pr...

  • Page 103

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-52 tm051 – rev. 5.8 the following multi-drop override ids are device-type specific, with the exception of "broadcast". These are summarized below with id values expressed in decimal notation: directly-addressed equipment multi-drop override id b...

  • Page 104

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-53 4.9.1.6 software compatibility the commspec, operating in conjunction within the rllp shell, provides for full forward and backward software compatibility independent of the software version in use. New features are appended ...

  • Page 105

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-54 tm051 – rev. 5.8 each piece of supported equipment on the control bus executes a radyne link level task (rllt) in accordance with its internal hardware and fixed program structure. In a flow control example, the rllt issues an internal "messa...

  • Page 106

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-55 the same command packet with the same to the same receiver and waits once again for an acknowledgment or a nak packet. To reiterate, the format of the link level protocol message block is shown below. Sync count src addr dest...

  • Page 107

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-56 tm051 – rev. 5.8 4.9.3 dmd15/dmd15l opcode command set the dmd15/dmd15l opcode command set is listed below: 4.9.4 modem command set command opcode query modulator configuration and status 2400h query demodulator configuration and status 2401h...

  • Page 108

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-57 command opcode command modem control mode 2600h command modulator configuration 2601h command modulator frequency 2602h command modulator strap code 2603h command modulator data rate 2604h command modulator filter mask 2605h ...

  • Page 109

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-58 tm051 – rev. 5.8 clear latched alarm 1 2625h command aupc local enable 2629h command aupc remote enable 262ah command aupc local cl action 262bh command aupc remote cl action 262ch command aupc tracking rate 262dh command aupc remote bb loopb...

  • Page 110

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-59 command demodulator framing 2a16h command demodulator operating mode 2a17h command map summary to backward alarm 2a18h command demodulator ber exponent 2a1ah command demodulator circuit id 2a1bh command demodulator terrestria...

  • Page 111

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-60 tm051 – rev. 5.8 opcode: query a modulator’s configuration and status query response number of nonvol bytes configuration bytes mode frequency strap code filter mask data rate external exc clock external reference freq. Reference source modul...

  • Page 112

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-61 spectrum operating mode clock control clock polarity sct source framing drop mode drop map t1d4 yellow alarm sel. Forced alarms alarm 1 mask alarm 2 mask fir 0 = normal, 1 = inverted 0 = normal, 1 = 2047 test 0 = scte, 1 = sc...

  • Page 113

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-62 tm051 – rev. 5.8 common alarm 1 mask common alarm 2 mask tx circuit id tx esc ch 1 volume tx esc ch 2 volume tx interface type tx terrestrial loopback tx baseband loopback drop status mask tx rs n code tx rs k code tx rs depth data invert bps...

  • Page 114

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-63 terminal baud rate fm orderwire mode fm orderwire test tone aupc local enable aupc remote enable aupc local cl action aupc remote cl action aupc tracking rate aupc remote bb loopback aupc remote 2047 aupc target eb/no aupc mi...

  • Page 115

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-64 tm051 – rev. 5.8 alarm 1 alarm 2 common alarm 1 common alarm 2 latched alarm 1 latched common alarm 1 latched common alarm 2 drop status bit 0 = transmit processor fault. 1 = fail bit 1 = transmit output power level. 1 = fail bit 2 = transmit...

  • Page 116

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-65 online flag +5v voltage +12v voltage -12v voltage temperature esc source alarm 3 aupc remote test 2047 ber mantessa aupc remote test 2047 ber exponent reserved symbol rate latched alarm 2 reserved latched drop status reserved...

  • Page 117

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-66 tm051 – rev. 5.8 opcode: query a modulator’s status query response control mode revision number alarm 1 alarm 2 common alarm 1 common alarm 2 latched alarm 1 latched common alarm 1 latched common alarm 2 0 = front panel. 1 = terminal, 2 = com...

  • Page 118

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-67 alarm 2 drop status online flag +5v voltage +12v voltage -12v voltage temperature esc source alarm 3 aupc remote test 2047 ber mantessa aupc remote test 2047 ber exponent reserved symbol rate latched alarm 2 reserved latched ...

  • Page 119

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-68 tm051 – rev. 5.8 reserved bits 3-7 (not latched) reserved opcode: query a modulator’s latched alarms query response latched alarm 1 latched common alarm 1 latched common alarm 2 latched alarm 2 latched drop status bit 0 = transmit processor f...

  • Page 120

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-69 alarm 2 drop status common alarm 1 common alarm 2 bit 1 = transmit output power level. 1 = fail bit 2 = transmit oversample pll lock. 1 = lock bit 3 = composite clock pll lock. 1 = lock bit 4 = if synthesizer lock. 1 = lock b...

  • Page 121

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-70 tm051 – rev. 5.8 external exc clock external reference freq. Reference source modulation type convolutional encoder reed solomon scrambler control scrambler type transmit power level differential encoder carrier control carrier selection spec...

  • Page 122

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-71 drop map t1d4 yellow alarm sel. Forced alarms alarm 1 mask alarm 2 mask common alarm 1 mask common alarm 2 mask tx circuit id tx esc ch 1 volume timeslots to drop organized by satellite channel 0 = bit 2 equal 0 for all chann...

  • Page 123

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-72 tm051 – rev. 5.8 tx esc ch 2 volume tx interface type tx terrestrial loopback tx baseband loopback drop status mask tx rs n code tx rs k code tx rs depth data invert bpsk symbol pairing idr overhead type terminal emulation terminal baud rate ...

  • Page 124

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-73 aupc remote bb loopback aupc remote 2047 aupc target eb/no aupc minimum power aupc maximum power aupc nominal power time mark transfer enable time mark transfer pattern length reserved reserved tpc interleaver 4 = 2.5 db/min,...

  • Page 125

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-74 tm051 – rev. 5.8 opcode: command a modulator's modulation type modulation type 0 = qpsk, 1 = bpsk, 2 = 8psk, 3 = 16qam, 4 = oqpsk opcode: command a modulator’s convolutional encoder convolutional encoder 0 = none, 1 = viterbi 1/2 rate, 2 = vi...

  • Page 126

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-75 operating mode 0 = normal, 1 = 2047 test opcode: command a modulator's scrambler control scrambler control 0 = disable, 1 = enable opcode: command a modulator's scrambler type scrambler type 0 = none, 1 = ibs scrm, 2 = v35_ie...

  • Page 127

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-76 tm051 – rev. 5.8 opcode: command aupc remote enable aupc remote enable 0 = off, 1 = on opcode: command aupc local cl action aupc local cl action 0 = hold, 1 = nominal, 2 = maximum opcode: command aupc remote cl action aupc remote cl action 0 ...

  • Page 128

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-77 power aupc maximum power aupc nominal power dbm (two’s compliment) singed value +50 to –200 with implied decimal point; 49 = +4.9 dbm (two’s compliment) singed value +50 to –200 with implied decimal point; 49 = +4.9 dbm (two’...

  • Page 129

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-78 tm051 – rev. 5.8 demodulation type convolutional decoder reed solomon differential decoder descrambler control descrambler type spectrum buffer size msec buffer clock buffer clock polarity insert mode t1e1 frame source insert map framing oper...

  • Page 130

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-79 alarm 2 mask alarm 3 mask alarm 4 mask common alarm 1 mask common alarm 2 mask esc channel 1 volume bit 5 = satellite ais bit 6 = rx data activity bit 7 = rx agc level 0 = mask, 1 = allow bit 0 = buffer underflow bit 1 = buff...

  • Page 131

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-80 tm051 – rev. 5.8 esc channel 2 volume ber exponent rx circuit id rx terrestrial loopback rx baseband loopback rx if loopback rx interface type insert status mask rx reed solomon n code rx reed solomon k code rx reed solomon depth external clo...

  • Page 132

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-81 es baud es data bits idr overhead type fm orderwire mode time mark transfer pattern length eb/no threshold reacquisition sweep boundary reserved tpc deintereleaver 0 = 7 bits. 1 = 8 bits 0 = 32k voice. 1 = 64k data 0 = disabl...

  • Page 133

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-82 tm051 – rev. 5.8 alarm 4 common alarm 1 common alarm 2 latched alarm 1 latched alarm 2 latched alarm 3 latched common alarm 1 bit 0 = buffer clock activity detect. 1 = activity bit 1 = external bnc activity detect. 1 = activity, reserved in r...

  • Page 134

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-83 latched common alarm 2 backward alarm error counter test 2047 error counter raw ber mantissa corrected ber mantissa ebno offset frequency test 2047 ber mantissa raw ber exponent corrected ber exponent test 2047 ber exponent o...

  • Page 135

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-84 tm051 – rev. 5.8 insert status fault online flag loss flag alarm 5 latched alarm 4 symbol rate reserved bit 0 = frame lock fault. 1 = fail bit 1 = multiframe lock fault. Valid in e1 pcm30 and pcm30c. 1 = fail bit 2 = crc lock fault. Valid in ...

  • Page 136

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-85 alarm 3 alarm 4 common alarm 1 common alarm 2 latched alarm 1 latched alarm 2 bit 4 = rs decoder lock fault. 1 = fail bit 5 = rs de-interleaver fault. 1 = fail bit 6 = rs decoder uncorrectable word. 1 = fail bit 7 = summary f...

  • Page 137

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-86 tm051 – rev. 5.8 latched alarm 3 latched common alarm 1 latched common alarm 2 backward alarm error counter test 2047 error counter raw ber mantissa corrected ber mantissa ebno offset frequency test 2047 ber mantissa raw ber exponent correcte...

  • Page 138

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-87 exponent offset frequency sign ber/ebno status buffer percent full input level insert status fault online flag loss flag alarm 5 latched alarm 4 if 0, ’-’ offset bit 0 = raw ber and corrected ber status. 1 = valid bit 1 = tes...

  • Page 139

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-88 tm051 – rev. 5.8 symbol rate reserved reserved in rcs10/10l mode bit 6 = rx clock fallback. (not latched) bit 7 = eb/no threshold fault. (not latched) binary value, 1 sps steps reserved opcode: query a demodulator’s latched alarms query respo...

  • Page 140

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-89 in rcs10/10l mode bit 5 = high stability reference pll activity. (not latched), reserved in rcs10/10l mode bit 6 = rx clock fallback. (not latched) bit 7 = eb/no threshold fault. (not latched) opcode: query a demodulator’s cu...

  • Page 141

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-90 tm051 – rev. 5.8 common alarm 1 common alarm 2 bit 4 = e1 fas alarm received. 1 = received bit 5 = e1 mfas alarm received. Not valid in fas mode. 1 = received bit 6 = e1 crc alarm received. 1 = received bit 7 = crc calculation error. 1 = fail...

  • Page 142

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-91 descrambler type spectrum buffer size msec buffer clock buffer clock polarity insert mode t1e1 frame source insert map framing operating mode map summary to backward alarm forced alarms alarm 1 mask alarm 2 mask alarm 3 mask ...

  • Page 143

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-92 tm051 – rev. 5.8 alarm 4 mask common alarm 1 mask common alarm 2 mask esc channel 1 volume esc channel 2 volume ber exponent rx circuit id rx terrestrial loopback rx baseband loopback rx if loopback rx interface type bit 1 = rx oversample pll...

  • Page 144

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-93 insert status mask rx reed solomon n code rx reed solomon k code rx reed solomon depth external clock source data invert alarm 5 masks bpsk symbol pairing es mode es type es baud es data bits idr overhead type fm orderwire mo...

  • Page 145

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-94 tm051 – rev. 5.8 tpc deinterleaver 0=disable, 1=enable opcode: command a demodulator’s frequency frequency selects the if frequency in hz. The range is 50 mhz to 180 mhz for the 70/140 mhz type modems and 950 mhz to 1750 mhz for the l-band mo...

  • Page 146

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-95 opcode: command a demodulator’s spectrum spectrum 0 = normal, 1 = inverted opcode: command a demodulator’s buffer size buffer size msec indicates buffer size in msecs. 0 through 32 opcode: command a demodulator’s buffer clock...

  • Page 147

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-96 tm051 – rev. 5.8 opcode: command data invert data invert 0 = none, 1 = terrestrial, 2 = baseband 3 = terrestrial and baseband opcode: command force demod summary alarms summary alarm 0 = do not force. 1 = force opcode: command external exc so...

  • Page 148

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-97 opcode: query a modem's latched alarms query response mod latched alarm 1 demod latched alarm 1 demod latched alarm 2 demod latched alarm 3 latched common alarm 1 latched common alarm 2 demod latched alarm 4 bit 0 = transmit ...

  • Page 149

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-98 tm051 – rev. 5.8 mod lathed alarm 2 latched drop status in rcs10/10l mode bit 5 = high stability reference pll activity. (not latched), reserved in rcs10/10l mode bit 6 = rx clock fallback. (not latched) bit 7 = eb/no threshold fault. (not la...

  • Page 150

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-99 demod alarm 2 demod alarm 3 demod alarm 4 insert status fault common alarm 1 bit 4 = ibs ber alarm 0 = pass. 1 = fail bit 5 = satellite ais 0 = pass. 1 = fail bit 6 = rx data activity. 1 = activity bit 7 = rx agc level. 0 = p...

  • Page 151

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-100 tm051 – rev. 5.8 common alarm 2 bit 0 = m&c processor fault. 1 = fail bit 1 = u io card present. 1 = present, reserved in rcs10/10l mode bit 2 = if card present. 1 = present bits 3 - 7 = spares opcode: query a modem’s eb/no, ber, and level q...

  • Page 152

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 4-101 day hour minute second 0 – 30 0 – 23 0 – 59 0 – 59 opcode: query modem summary faults query response mod summary fault demod summary fault 0 = pass, 1 = fail 0 = pass, 1 = fail opcode: query a modem’s drop & insert map reque...

  • Page 153

    User interfaces dmd15/dmd15l ibs/idr satellite modem 4-102 tm051 – rev. 5.8 day 0 - 30 opcode: command set time and date year month day hour minute second 0 - 99 0 - 11 0 – 30 0 – 23 0 – 59 0 – 59 opcode: h> clear modem common latched alarm 1 (no data) opcode: h> clear modem common latched alarm 2 (...

  • Page 154

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-1 section 5 – electrical interfaces 5.0 dmd15/dmd15l connections all dmd15/dmd15l connections are made to labeled connectors located on the rear of the unit (refer to figures 5-1 through 5-5. The connector definitions below are ...

  • Page 155

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-2 tm051 – rev. 5.8 figure 5-3. Dmd15/dmd15l g.703 interface module figure 5-4. Dmd15/dmd15l universal interface module figure 5-5. Dmd15/dmd15l synchronous data interface module 5.1 power inputs power input modules (figure 5-1) are located at th...

  • Page 156

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-3 5.2 tx (j1) if the customer orders the 70/140 mhz if, the transmit if output port will be a 75-ohm female bnc connector. The power level is programmable from -20 to +5 dbm in 0.1 dbm steps. The if frequency can be programmed t...

  • Page 157

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-4 tm051 – rev. 5.8 table 5-1. G.703 interface port (balanced) 15-pin female “d” connector (j7) pin no. Signal name signal direction 1 send data (-) sd-a input 2 ground gnd --- 9 send data (+) sd-b input 7 external clock a (-) bal exc-a input 8 e...

  • Page 158

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-5 28 demod fault - open collector df output 27 clear to send b (+) cs-b output 11 data mode a (-) dm-a output 29 data mode b (+) dm-b output 13 receiver ready a (-) rr-a output 31 receiver ready b (+) rr-b output 15 external clo...

  • Page 159

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-6 tm051 – rev. 5.8 5.11 status (j11) the modem status interface port is a 15-pin female “d” connector. Refer to table 5-4 for pinouts. Table 5-4. Status data port 15-pin female “d” connector (j11) pin no. Signal name signal direction 1 mod fault...

  • Page 160

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-7 table 5-6. S6 ground/deferred – c switch positions agc out prompt - c 1 x 1 x 2 x 2 x 3 on 3 off 4 off 4 on 5 x 5 x 5.13 terminal (j12) the terminal port is an rs-232 connection that is used to connect a terminal for operating...

  • Page 161

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-8 tm051 – rev. 5.8 5.15 esc 8k data (j15) the esc (engineering service circuits) 8k data port allows for communications between earth stations. It is a 15-pin female “d” connector. Refer to table 5-9 for pinouts. Table 5-9. Esc 8k data port 15-p...

  • Page 162

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-9 5.16 esc voice (j16) the esc voice port allows for communications between earth stations. It is a 9-pin female “d” connector. Refer to table 5-10 for pinouts. Table 5-10. J16-esc audio/64k data-9-pin female ‘d’ pin no. Signal ...

  • Page 163

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-10 tm051 – rev. 5.8 18 backward alarm out - 3 c escbwo 3c n/a 19 backward alarm out - 3 nc escbwo 3nc n/a 20 backward alarm out - 4 c escbwo 4c n/a 21 backward alarm out - 4 nc escbwo 4nc n/a 22 backward alarm in – 1 escbwi 1 input 23 backward a...

  • Page 164

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-11 16 idr esc audio input channel 2a escaudtx 2a input 17 idr esc audio output channel 1a escaud rx 1a output 18 idr esc audio output channel 2a escaud rx 2a output 19 idr esc backward alarm input - 3 escbwi 3 input 20 ibs es tr...

  • Page 165

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-12 tm051 – rev. 5.8 41 synchronous data terminal timing – b sync tt-b --- 42 idr esc backward alarm output - 2 normally open escbwo 2no --- 43 g.703 drop data out - b synchronous data receive timing – b ddo-b rt-b --- 44 idr esc backward alarm o...

  • Page 166

    Dmd15/dmd15l ibs/idr satellite modem user interfaces tm051 - rev. 5.8 5-13 64 synchronous data – data mode out - b sync dm-b output 65 synchronous data - clear to send - b sync cs-b input 66 ibs receive octet output - b rxo-b output 67 synchronous data request to send – b sync rs-b input 68 synchron...

  • Page 167

    User interfaces dmd15/dmd15l ibs/idr satellite modem 5-14 tm051 – rev. 5.8.

  • Page 168

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem maintenance tm051 - rev. 5.8 6-1 section 6 – maintenance 6.0 periodic maintenance the dmd15/dmd15l modulator requires no periodic field maintenance procedures. Should a unit be suspected of a defect in field operations after all interfac...

  • Page 169

    Maintenance dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 6-2 tm051 – rev. 5.8 masking alarms can cause undesirable modem performance. 6.2.1 alarm masks the user has the capability to ‘mask’ individual alarms on the dmd15/dmd15l. When an alarm is masked, the front panel leds and the...

  • Page 170

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem maintenance tm051 - rev. 5.8 6-3 table 6-1. Dmd15/dmd15l interface/common equipment fault matrix table 6-2. Dmd15/dmd15l rx fault matrix.

  • Page 171

    Maintenance dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 6-4 tm051 – rev. 5.8 table 6-3. Dmd15/dmd15l tx fault matrix 6.3.1 interpreting the matrices the first vertical column in the tables represents the various faults that the modem may identify. The top horizontal column indicat...

  • Page 172

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem maintenance tm051 - rev. 5.8 6-5 figure 6-10. Ibs alarm concept table 6-4. 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 ...

  • Page 173

    Maintenance dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 6-6 tm051 – rev. 5.8 fa2 - loss of satellite frame fa3 - loss of satellite multiframe fa4 - ber of 1e-3 or greater from satellite input fa5 - alarm indication received from satellite input as1,2 - ibs prompt, service alarm as...

  • Page 174

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem technical specifications tm051 - rev. 5.8 7-1 section 7 – technical specifications 7.0 modulator specifications modulation: bpsk and qpsk (oqpsk, 8psk, 16qam optional) data rates: 9.6 kbps to 10 mbps in 1 bps steps symbol rates: 6300 to ...

  • Page 175

    Technical specifications dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 7-2 tm051 – rev. 5.8 fec: viterbi, k = 7 at 1/2, 3/4, and 7/8 rate, rate sequential 1/2, 3/4, 7/8 (optional) trellis 2/3 (optional) turbo product code (optional) 3/4 rate (0.793) - (64,57) x (64,57) 1/2 rate (0.4...

  • Page 176

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem technical specifications tm051 - rev. 5.8 7-3 7.5 terrestrial interfaces a variety of standard interfaces is available for the dmd15/dmd15l modem in stand-alone applications. 7.6 universal interface module (uim): user selectable rs-422/4...

  • Page 177

    Technical specifications dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 7-4 tm051 – rev. 5.8 7.9 dmd15 data rate limits modulator demodulator low high low high bpsk none 6300 6500000 12695 6500000 bpsk 1/2 3150 3250000 6347 3250000 bpsk 3/4 4725 4875000 9521 4875000 bpsk 7/8 5512 568...

  • Page 178

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem technical specifications tm051 - rev. 5.8 7-5 7.10 dmd15 ber specifications modem ber performance (viterbi) specification typical ibs idr idr ibs ibs idr idr 1/2 rate 3/4 rate 7/8 rate 1/2 rate 3/4 rate 3/4 rate 7/8 rate 10 -3 4.1 db 5.2...

  • Page 179

    Technical specifications dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 7-6 tm051 – rev. 5.8 10 -3 4.8 db 5.2 db 6.0 db 4.3 db 4.7 db 5.5 db 10 -4 5.2 db 5.7 db 6.4 db 4.7 db 5.2 db 5.9 db 10 -5 5.6 db 6.1 db 6.9 db 5.1 db 5.6 db 6.4 db 10 -6 5.9 db 6.5 db 7.4 db 5.4 db 6.1 db 6.9 db...

  • Page 180

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem technical specifications tm051 - rev. 5.8 7-7 10 -6 n/a 9.1 db 10.5 db n/a 8.6 db 0.2 db 10 -7 n/a 9.3 db 10.8 db n/a 8.8 db 10.4 db 10 -8 n/a 9.5 db 11.0 db n/a 9.1 db 10.7 db.

  • Page 181

    Technical specifications dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 7-8 tm051 – rev. 5.8.

  • Page 182

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem technical specifications tm051 - rev. 5.8 7-9.

  • Page 183

    Technical specifications dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 7-10 tm051 – rev. 5.8.

  • Page 184

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem appendix a tm051 - rev. 5.8 5-1 section 8 – appendices appendix a – reed-solomon codes n valid values for k 2 1 3 2 4 2, 3 5 3, 4 6 3, 4, 5 7 4, 5, 6 8 4, 6, 7 9 5, 6, 7, 8 10 5, 7, 8, 9 11 6, 8, 9, 10 12 6, 8, 9, 10, 11 13 7, 9, 10, 11,...

  • Page 185

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 5-2 tm051 - rev. 5.8 28 14, 19, 21, 23, 24, 25, 26, 27 29 15, 20, 22, 24, 25, 26, 27, 28 30 15, 20, 23, 24, 25, 26, 27, 28, 29 31 16, 21, 24, 25, 26, 27, 28, 29, 30 32 16, 22, 24, 26, 27, 28, 29, 30, 31 33 17, 22, 25, 27, 28, 29...

  • Page 186

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 5-3 57 38, 43, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56 58 39, 44, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57 59 40, 45, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58 60 40, 45, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59 61 41, ...

  • Page 187

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 5-4 tm051 - rev. 5.8 86 69, 72, 74, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85 87 70, 73, 75, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86 88 71, 74, 76, 77, 79, 80, 81, 82, 83, 84, 85, 86, 87 89 72, 75, 77, 78, 80, 81, 82, 83, 84, 85, 86...

  • Page 188

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 5-5 115 96, 99, 101, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114 116 97, 100, 102, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115 117 98, 101, 103, 104, 106, 107, 108, 109, 110, 111, 1...

  • Page 189

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 5-6 tm051 - rev. 5.8 144 124, 126, 128, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143 145 125, 127, 129, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144 146 126, 128, 130, 132, 133, 13...

  • Page 190

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 5-7 173 154, 156, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172 174 155, 157, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173 175 156, 158, 160, 161, 162, 16...

  • Page 191

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 5-8 tm051 - rev. 5.8 202 182, 184, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201 203 183, 185, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202 204 184, 186, 187, 18...

  • Page 192

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 5-9 229 209, 210, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228 230 210, 211, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229 231 212, 21...

  • Page 193

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem 5-10 tm051 - rev. 5.8 251 231, 232, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 252 233, 234, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251 253 234, 235, 2...

  • Page 194

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 5-11.

  • Page 196

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 g-1 glossary 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...

  • Page 197

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem g-2 tm051 - rev. 5.8 d dac digital to analog converter db decibels dbc decibels referred to carrier dbm decibels referred to 1.0 milliwatt dc direct current dce data communications equipment demod demodulator or demodulated dpll...

  • Page 198

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 g-3 h hssi high speed serial interface hw hardware hz hertz (unit of frequency) i ibs intelsat business services idr intermediate data rate i/o input/output ieee international electrical and electronic engineers...

  • Page 199

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem g-4 tm051 - rev. 5.8 m ma milliampere mbps megabits per second mfas multi-frame acquisition sync. See fas. Mhz megahertz mib management information base mod modulator or modulated ms millisecond m&c monitor and control n nc norm...

  • Page 200

    Dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem glossary tm051 - rev. 5.8 g-5 r ram random access memory rf radio frequency rom read only memory rms root mean square ru rack unit. 1 ru = 1.75” rx receive (receiver) rxd receive data r-s reed-solomon coding. Reed-solomon codes are block...

  • Page 201

    Glossary dmd15/dmd15l/dmd15/dmd15ll/dmd15/dmd15libs/idr satellite modem g-6 tm051 - rev. 5.8 w x y z w watt misc. µs microsecond Ω ohms 16qam 16 quadrature amplitude modulation 8psk 8 phase shift keying.