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GAI-Tronics L3149B Manual

Manual is about: C200 Advanced Desk Set

Summary of L3149B

  • Page 1

    Pub. 43004-023c gai-tronics corporation 400 e. Wyomissing ave. Mohnton, pa 19540 usa 610-777-1374 „ 800-492-1212 „ fax: 610-796-5954 v isit www . Gai - tronics . Com for product literature and manuals g a i - t r o n i c s ® c o r p o r a t i o n a h u b b e l l c o m p a n y model l3149b c200 advan...

  • Page 2

    12/10 publication 43004-023c ii confidentiality notice this manual is provided solely as an operational, installation, and maintenance guide and contains sensitive business and technical information that is confidential and proprietary to gai-tronics. Gai-tronics retains all intellectual property an...

  • Page 3: Table of Contents

    12/10 publication 43004-023c iii table of contents foreword ...............................................................................................................................................................1 s cope of m anual ................................................................

  • Page 4

    Table of contents model l3149b c200 advanced desk set 12/10 43004-023c iv n umeric k eypad f requency s election .............................................................................................................14 f requency d isplay ..........................................................

  • Page 5

    Model l3149b c200 advanced desk set table of contents 12/10 publication 43004-023c v m ounting ...............................................................................................................................................................34 l evel a djustments and d iagnostics .........

  • Page 6

    Table of contents model l3149b c200 advanced desk set 12/10 43004-023c vi a lias t able ............................................................................................................................................................66 troubleshooting ........................................

  • Page 7: Foreword

    1 foreword scope of manual this manual offers descriptive data and service information for the c200 model l3149b advanced desk set. Service diagrams and printed circuit board details are a part of this service manual. Nomenclature the model number, located on the nameplate on the bottom of the unit,...

  • Page 8

    Foreword model l3149b c200 advanced desk set 2 features and benefits feature benefit programmable 16-frequeny control with alias (tone mode only) any one of 16 eia standard tones can be programmed for each frequency/function key along with an alias for each. Lcd display user-friendly interface displ...

  • Page 9

    Model l3149b c200 advanced desk set foreword 3 fcc interference warning the fcc requires that manuals pertaining to class a and class b computing devices must contain warnings about possible interference with local residential radio and tv reception. This warning reads as follows: n ote : this equip...

  • Page 10

    Foreword model l3149b c200 advanced desk set 4 10. All low impedance test equipment (such as pulse generators, etc.) should be connected to cmos device inputs after power is applied to the cmos circuitry. Similarly, such low impedance equipment should be disconnected before power is turned off. 11. ...

  • Page 11: Description

    5 description physical description the c200 series l3149b advanced tone remote desk set provides a console-like alternative to conventional and cdm1550 ls mobile radio control. By adding the optional relay module to the l3149b desk set, the c200 can be configured for e&m and tone with e&m control al...

  • Page 12

    Description model l3149b c200 advanced desk set 6 signaling buttons refer to the diagram above for the location of the front panel buttons. The following paging buttons are used for paging and initiating alert tones: • mdc • select • page • down • clear • up the function and operation of each of the...

  • Page 13

    Model l3149b c200 advanced desk set description 7 monitor led the monitor led, located to the left of the button, illuminates when monitor is activated. Keypad buttons the numeric keypad is used for the selection of a desired frequency, page capcode entry and mdc1200 id entry. See the operations sec...

  • Page 14

    Description model l3149b c200 advanced desk set 8 accessories for the advanced c200 desk sets description part no. Programming: programming bundle cd xac4000a programming cable with adapter xac0004a equipment: desk microphone xdm002a power supply, 120 v ac 60 hz (replacement) 3308-00750-00 power sup...

  • Page 15: Operation

    9 operation operational description the model l3149b desk set provides radio system control from a remote location. The desk set sends control to the remote adapter through a telephone line to control radio functions such as transmit, channel changes, and monitor. When programmed for local (l3147a) ...

  • Page 16

    Operation model l3149b c200 advanced desk set 10 setting the clock 1. Power up the c200 advanced desk set. 2. Wait for the message checking parameters please wait to clear. 3. When the message l314xa v er . C2hxx c2dxx appears, immediately press the mdc button in the upper left hand corner of the ke...

  • Page 17

    Model l3149b c200 advanced desk set operation 11 initiating calls before initiating a call in a conventional system, press the monitor button to verify that the radio channel is clear. Always allow time for the radio channel to be established. In addition, if the unit is configured to generate ptt i...

  • Page 18

    Operation model l3149b c200 advanced desk set 12 front panel buttons signaling buttons the signaling buttons operate as follows: mdc the mdc button is used to enter mdc mode. While in mdc mode, the operator may select from among various mdc1200 messages to be transmitted. These include call alert, r...

  • Page 19

    Model l3149b c200 advanced desk set operation 13 volume up and volume down buttons press the volume up or down buttons to adjust the local speaker volume if the handset is on-hook. The handset speaker volume is adjusted if the handset is off-hook. The display shows the new setting for 2 seconds afte...

  • Page 20

    Operation model l3149b c200 advanced desk set 14 numeric keypad frequency selection the l3149b can be configured for controlling up to 16-frequency control with the xac0008a c200 programming software. When the desired frequency is selected using the numeric keypad, that frequency change command is s...

  • Page 21

    Model l3149b c200 advanced desk set operation 15 parallel status operation (tone operation only) the l3149b desk set supports parallel status updating. This feature allows all dispatch positions to know the status of the base station. To decode this information, the unit actually senses high level g...

  • Page 22

    Operation model l3149b c200 advanced desk set 16 ptt frequency this feature, compatible with tone and optional e&m with tone control, allows the desk sets to use only a single function tone burst generation when a voice transmission is required. The parallel status updating function is also modified...

  • Page 23

    Model l3149b c200 advanced desk set operation 17 paging these desk sets support the following formats: • dtmf • 1500 • immediate dtmf • 2805 • 2-tone • custom 2-tone • 5-tone paging may be initiated by entering digits on the numeric keypad, by programming an alias using the xac0008a c200 programming...

  • Page 24

    Operation model l3149b c200 advanced desk set 18 entering a programmed alias if paging aliases have been programmed into the desk set, press either the up or the down button after entering the paging menu. To scroll alphabetically, press the combination of either lock + up or lock + down buttons. Th...

  • Page 25

    Model l3149b c200 advanced desk set operation 19 mdc1200 applicability these desk sets support the following mdc1200 encode features: • ptt-id used at the beginning of voice transmission to indicate to the receiving unit(s) who is transmitting • post ptt-id used at the end of voice transmission to i...

  • Page 26

    Operation model l3149b c200 advanced desk set 20 sending the mdc1200 message when the desired unit id or alias appears on the display, press monitor to ensure that the radio channel is not in use. When the channel is free, press the transmit button or handset ptt bar. The mdc1200 message is sent acc...

  • Page 27

    Model l3149b c200 advanced desk set operation 21 select call select call is a special mdc1200 type that is used to selectively signal an individual unit or a group of units. To initiate a select call, the operator must press and hold the transmit button or handset ptt bar. After the unit has transmi...

  • Page 28

    Operation model l3149b c200 advanced desk set 22 a typical printout supported by the c200 is shown below. For these examples, the desk set’s unit id is assumed to be 5678; the target unit’s id is assumed to be 1234. The line column and line numbers are added for discussion below. Line i/o origin des...

  • Page 29

    Model l3149b c200 advanced desk set operation 23 mdc1200 mdc1200 allows the pc to direct the c200 to transmit a mdc1200 message using a preprogrammed alias or a specified unit id. The behavior of the actual transmission is controlled by software programmed parameters. Byte value description 0 1 ‘1’ ...

  • Page 30

    Operation model l3149b c200 advanced desk set 24 example 2: to send a call alert to mdc1200 alias 1 (i.E. Fire 100) do the following. Note that the alias number is as listed in the software under mdc1200 aliases. Pc to c200: ‘^’, c200 to pc: ‘0’, ‘1’, ‘8’ (c200 response) pc to c200: ‘1’, ‘0’, ‘2’, ‘...

  • Page 31

    Model l3149b c200 advanced desk set operation 25 alias paging works similarly to mdc1200 signaling with the alias number being as listed in the programming software for page aliases. Frequency changing frequency changing allows the pc to direct the c200 to change the current transmit frequency to a ...

  • Page 32

    Operation model l3149b c200 advanced desk set 26 the frequency constant is calculated as (using c syntax): msw = 0x00ff & round (frequency * 8.192) >> 1 lsw = 0xff00 & round (frequency * 8.192) >> 8 therefore, to generate 1234 hz followed by 567 hz the frequency constants must first be calculated. F...

  • Page 33: Installation

    27 installation planning the installation the following diagrams show examples of installations for the l3149b programmed for both tone (standard) or local control (l3147a) operation. N ote : the distance between the desk set and the radio must not exceed 1000 feet when programmed for local control....

  • Page 34

    Installation model l3149b c200 advanced desk set 28 tone control (l3149b) example installation diagram – shown connected in parallel within one building mechanical receipt inspection the desk sets are shipped in a cardboard container with inserts. Thoroughly inspect it as soon as possible after deli...

  • Page 35

    Model l3149b c200 advanced desk set installation 29 the ground terminal must be connected to a high quality earth ground point to obtain maximum protection. Ideally, the ground point should originate at a 1/2-inch copper rod driven at least six feet into the soil with a no. 16 awg (or larger) copper...

  • Page 36

    Installation model l3149b c200 advanced desk set 30 line connections for the l3149b desk set connect the telephone line to the modular connector located on the back of the desk set. Telephone line pinout pins function pin 1 n/c pin 2 4-wire tx +in pin 3 2-wire rx +out/tx in pin 4 2-wire rx –out/tx i...

  • Page 37

    Model l3149b c200 advanced desk set installation 31 line connections for local control (l3147a) operation when programmed for local operation (l3147a) the desk set provides extended local control of the radio. This operation requires ptt and monitor to be connected to j701 of the relay module in the...

  • Page 38

    Installation model l3149b c200 advanced desk set 32 microphone sensitivity adjustments after connections have been made, the desk set must be configured for transmit and receive audio levels. These adjustments are made using the front panel buttons. The microphone sensitivity adjustment is used to c...

  • Page 39

    Model l3149b c200 advanced desk set installation 33 relay control n ote : the following optional features require relay control option equipment (kit no. Xrc0001a) on the model l3149b. Maximum load ratings for each relay output are 1 a @ 125 v ac and 2 a @ 30 v dc. E&m the xac0008a programming softw...

  • Page 40

    Installation model l3149b c200 advanced desk set 34 audio accessory/rs-232 port the desk sets contains an 8-pin modular audio accessory port to provide audio accessory options. Possible accessories include desk microphone, gooseneck microphone, boom microphone, headset, or footswitch. The microphone...

  • Page 41

    Model l3149b c200 advanced desk set installation 35 level adjustments and diagnostics the programming buttons, prog 1/5 through prog 4/8 , are used to navigate the menu for specific installations and to perform diagnostics. They are: • line output level • line in sensitivity • diagnostics • tone lev...

  • Page 42

    Installation model l3149b c200 advanced desk set 36 reloading factory defaults desk sets are shipped from the factory with default settings that meet most installation requirements. However, it is important to verify that these parameters are adjusted to meet your specific installation needs. To rel...

  • Page 43

    Model l3149b c200 advanced desk set installation 37 using a communications service analyzer, or other rf generator, inject a fully-quieted (e.G.1000 micro- volt) signal into the antenna port of the base station. Enable the rf generator’s 1 khz tone, modulated at rated system deviation. Note the leve...

  • Page 44

    Installation model l3149b c200 advanced desk set 38 prog 2/6 - dc module diagnostics this mode allows the dc board to be exercised with both positive and negative currents and sets the dclotl. The threshold for dclotl is adjustable, but is factory preset for most installations. The asterisk (*) is p...

  • Page 45

    Model l3149b c200 advanced desk set installation 39 prog 3/7 – rs-232 diagnostic this diagnostic exercises the rs-232 port tx and rx data. To run this test, disconnect anything connected to the programming connector on the back of the unit, and short pins 2 and 7 of the connector. Once the short is ...

  • Page 46

    Installation model l3149b c200 advanced desk set 40 prog 4/8 - tone level adjust this mode allows adjustment of the levels of sidetone, the alert, and the page tones: • the sidetone level used for speaker tones can be adjusted to suit the user. • the alert and page tone line levels can be adjusted r...

  • Page 47: Theory Of Operation

    41 theory of operation general desk set overview the c200 advanced desk set is a multi-processor design employing state-of-the-art dsp technology to achieve superior performance over typical analog and single-processor designs. This allows for ultimate flexibility in audio processing. The heart of t...

  • Page 48

    Theory of operation model l3149b c200 advanced desk set 42 in addition to the transmit audio, data is combined with the transmit audio prior to line-out compensation at u11-3. U10-1 is the line-driver enable for the transmit audio. This provides for a 560 ohm transmit output impedance. Microphone au...

  • Page 49: Programming

    43 programming pc programming general description c200 programming software (included on no. Xac4000a programming bundle cd) is needed to program the features of your equipment. It allows entry of programming data into your pc for transfer to your equipment. The programmed data can be retrieved and ...

  • Page 50

    Programming model l3149b c200 advanced desk set 44 desk set parameters date format the date may be displayed in one of the following four ways on the desk set: • usa: month in numeral format; mm-dd (11-20) • european: month in text format; dd month (20 nov) • usa: month in text format; month dd (nov...

  • Page 51

    Model l3149b c200 advanced desk set programming 45 accessory mic bias the mic bias for the accessory connector should be enabled if an electric condenser mic is used for transmit audio. Enabling this parameter allows approximately 4 volts of mic bias to be applied to the accessory mic high input. Ac...

  • Page 52

    Programming model l3149b c200 advanced desk set 46 type of interface select the type of interface depending upon the modules installed in the desk set: • tone control is available regardless of what hardware is installed. • if the relay i/o control module is installed, select e&m with tone, e&m with...

  • Page 53

    Model l3149b c200 advanced desk set programming 47 control parameters guard tone frequency the guard tone frequency is available when the type of interface is tone or tone with e&m control. This parameter allows the selection of the guard tone frequency for transmit and receive. Different guard tone...

  • Page 54

    Programming model l3149b c200 advanced desk set 48 monitor frequency/current when the type of interface is tone, tone with e&m, or dc control, this parameter selects the monitor frequency/current used when the monitor button is pressed. Parallel mute enabling this feature causes the unit to mute the...

  • Page 55

    Model l3149b c200 advanced desk set programming 49 programmable buttons the model l3149b desk set has four programmable buttons. Each may be assigned up to two functions - one with the button alone and one when pressed with the lock button. Since there is only one led per button, the led only reflec...

  • Page 56

    Programming model l3149b c200 advanced desk set 50 quick mdc programming a button for quick mdc allows two possible uses of the button. The first possible configuration is the selection of manual mdc in the next field. This allows a single button to enter the mdc menu using the programmed call type ...

  • Page 57

    Model l3149b c200 advanced desk set programming 51 input/output relay table n ote : this screen only appears if a relay board is present. The relay module consists of four physical relays and four inputs. Relays 1 and 4 are dpdt relays. Relays 2 and 3 are dpst relays. The relays are physically the s...

  • Page 58

    Programming model l3149b c200 advanced desk set 52 ptt sense when configured for local control and with parallel units, the operator is not allowed to transmit during the transmission of a parallel unit. This input allows the desk set to sense parallel transmissions and lock-out transmissions until ...

  • Page 59

    Model l3149b c200 advanced desk set programming 53 monitor when the type of interface is local control, a monitor closure is necessary to place the radio in to monitor mode. This monitor relay is configured as a normally open momentary relay and is asserted when the monitor button is pressed and dis...

  • Page 60

    Programming model l3149b c200 advanced desk set 54 manual paging page ptt frequency if the system is configured such that pages should be transmitted on a particular channel, the page ptt frequency may be used. This parameter allows the selection of the page ptt frequency for all manual pages. In ad...

  • Page 61

    Model l3149b c200 advanced desk set programming 55 two-tone paging two-tone codeplan allows the selection of the two-tone codeplan from the following list. Please refer to the tone group frequency chart and the code plan chart below for the specifics for each codeplan. N ote : this parameter affects...

  • Page 62

    Programming model l3149b c200 advanced desk set 56 code plans chart the first digit indicates chart a group number source for the a tone. The second digit indicates chart a group number source for b tone. Code msd digit of 3 digit capcode plan 0 1 2 3 4 5 6 7 8 9 gen enc 42 11 22 12 44 55 21 45 54 2...

  • Page 63

    Model l3149b c200 advanced desk set programming 57 preset two-tone digits this allows up to three 2-tone paging digits to be preset and controls the number of digits the operator must enter. If two preset digits are entered, the operator is only allowed to enter the third digit. The valid range for ...

  • Page 64

    Programming model l3149b c200 advanced desk set 58 plectron tone group/frequency chart (in hz) 3rd and 4th digits 0 1 2 3 4 5 6 7 8 9 tone group p1 643 672 701 732 765 799 834 871 910 950 tone group p2 992 1036 1082 1130 1180 1232 1287 1344 1403 1465 tone group p3 1530 1598 1669 1743 1820 1901 1985 ...

  • Page 65

    Model l3149b c200 advanced desk set programming 59 5-tone paging 5-tone paging preamble allows the selection of a 5-tone preamble number from the following list: n ote : this parameter affects alias paging as well. Number frequency number frequency #00 600 hz #13 570 hz #01 741 hz #14 650 hz #02 822...

  • Page 66

    Programming model l3149b c200 advanced desk set 60 1500 paging 1500 paging tone off time allows the selection of the length of the tone off time for 1500 paging. The tone on time is as follows: tone on time = 100 ms – tone off time. N ote : this parameter affects alias paging as well. Maximum digits...

  • Page 67

    Model l3149b c200 advanced desk set programming 61 configure mdc1200 mdc feature order this feature allows you to select which manual paging types or mdc types will be available on the c200. You may also determine the order in which the selected paging types appear. N ote : paging types enabled have...

  • Page 68

    Programming model l3149b c200 advanced desk set 62 mdc group id the mdc group id is the rapidcall group id of the unit. This id is not unique to a particular unit, but to a group of units. It is used only when determining whether a specific rapidcall message is intended for itself. The valid range i...

  • Page 69

    Model l3149b c200 advanced desk set programming 63 emergency ack enable this parameter enables/disables the generation of mdc1200 emergency, status and message acknowledgments. If enabled, the desk set acknowledges mdc1200 emergency, status and message messages. Only one desk set per system should b...

  • Page 70

    Programming model l3149b c200 advanced desk set 64 mdc timers dos coast timer the data-operated squelch is used to mute receive audio after the receipt of mdc data. This parameter controls the length of time the speaker remains muted after a mdc1200 receive. The valid range for this parameter is 0–2...

  • Page 71

    Model l3149b c200 advanced desk set programming 65 mdc printer message settings allows the user to specify which incoming and outgoing mdc messages are logged to the printer. These settings can only be edited if the printer is enabled. Print incoming messages: ptt (both ptt id and post ptt id ack (a...

  • Page 72

    Programming model l3149b c200 advanced desk set 66 alias table the alias table allows storage of up to 250 distinct paging or mdc profiles in the c200. This screen allows you to add, delete and change entries. All aliases currently entered in the table can be seen in the table entries field. The ali...

  • Page 73

    Model l3149b c200 advanced desk set programming 67 auto ptt frequency this parameter selects the page ptt frequency for each paging alias. This allows the page to be sent on the same channel each time the page is sent. Keep page ptt freq after page normally, the unit reverts to the set function tone...

  • Page 74

    Programming model l3149b c200 advanced desk set 68 group paging allows sequential execution of up to six of the paging entries in the alias table. Only one group can be allowed to be a member of another group. The group entry will always be the last entry in a group. Restrictions can be added to a g...

  • Page 75: Troubleshooting

    69 troubleshooting troubleshooting the c200 advanced desk sets the following is a list of potential problems you may encounter and possible solutions. Problem possible solution general problems the unit has no led or lcd display ensure that the unit is receiving dc power. Check for a blown fuse. The...

  • Page 76

    Troubleshooting model l3149b c200 advanced desk set 70 problem possible solution local control (l3147a mode) problems the desk set will not cause the transmitter to key. Ensure that the ptt relay is properly programmed with the xac0008a programming software. Ensure that the ptt relay has a ground co...

  • Page 77: Schematics

    71 schematics.

  • Page 78

    Schematics model l3149b c200 advanced desk set 72 desk set line interface schematic diagram - sheet 1.

  • Page 79

    Model l3149b c200 advanced desk set schematics 73 desk set user audio i/o schematic diagram - sheet 2.

  • Page 80

    Schematics model l3149b c200 advanced desk set 74 desk set control microprocessor i/o schematic diagram - sheet 3.

  • Page 81

    Model l3149b c200 advanced desk set schematics 75 desk set dsp block schematic diagram - sheet 4.

  • Page 82

    Schematics model l3149b c200 advanced desk set 76 desk set tone keypanel schematic diagram - sheet 5.

  • Page 83

    Model l3149b c200 advanced desk set schematics 77 desk set power supply schematic diagram - sheet 6.

  • Page 84

    Schematics model l3149b c200 advanced desk set 78 desk set signaling section schematic diagram - sheet 7.

  • Page 85

    Model l3149b c200 advanced desk set schematics 79 relay i/o option schematic diagram (xrc0001a).

  • Page 86

    Schematics model l3149b c200 advanced desk set 80 n otes :.

  • Page 87: Circuit Boards

    81 circuit boards.

  • Page 88

    Circuit boards model l3149b c200 advanced desk set 82 main unit dtd circuit board.

  • Page 89

    Model l3149b c200 advanced desk set circuit boards 83 main unit power and line circuit board.

  • Page 90

    Circuit boards model l3149b c200 advanced desk set 84 relay i/o option circuit board.

  • Page 91: Definitions and Acronyms

    85 definitions and acronyms term definition csq carrier squelch cts clear-to-send dpdt dual-pole double throw dpst dual-pole single throw dpl digital private line - a system analogous to private line but using low speed digital signaling instead of subaudible tones. Hlgt high level guard tone llgt l...

  • Page 92

    Notes model l3149b c200 advanced desk set 86.