GAI-Tronics L3149B Manual Download

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Circuit Boards

Model L3149B C200 Advanced Desk Set

Relay I/O Option Circuit Board

Summary of Contents for L3149B

Page 1: ...Wyomissing Ave Mohnton PA 19540 USA 610 777 1374 800 492 1212 Fax 610 796 5954 VISIT 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 Advanced Desk Set ...

Page 2: ...s warranty obligations with respect to services exceed 100 of the total cost of services provided hereunder Limitations Exclusions The warranty on any equipment supplied hereunder is subject to Customer s use in compliance with applicable FCC regulations and manufacturer specifications The warranties herein shall not apply to and GAI Tronics shall not be responsible for any damage to the goods or ...

Page 3: ...M BUTTON 6 MONITOR BUTTON 6 TRANSMIT BUTTON 6 TRANSMIT LED 6 MONITOR LED 7 KEYPAD BUTTONS 7 LCD DISPLAY 7 INTERNAL MICROPHONE 7 HANDSET 7 ACCESSORIES FOR THE ADVANCED C200 DESK SETS 8 OPERATION 9 OPERATIONAL DESCRIPTION 9 DISPLAY 9 SETTING THE CLOCK 10 RECEIVING CALLS 10 INITIATING CALLS 11 HANDSET TRANSMIT 11 TRANSMIT FROM INTERNAL LOCAL MICROPHONE 11 TRANSMIT FROM DESK MICROPHONE OR FOOTSWITCH 1...

Page 4: ...ents 20 Select Call 21 Exiting the MDC Menu 21 RS 232 Printer Output 21 RS 232 Input or PC Control 22 MDC1200 23 Paging 24 Frequency Changing 25 Custom Tones 25 INSTALLATION 27 PLANNING THE INSTALLATION 27 MECHANICAL RECEIPT INSPECTION 28 MOUNTING 28 FCC INTERFERENCE WARNINGS 28 ELECTROSTATIC DISCHARGE ESD PROTECTION 28 EQUIPMENT REQUIRED 29 CABLE INSTALLATION SAFETY CONSIDERATIONS 29 POWER CONNEC...

Page 5: ...e 40 THEORY OF OPERATION 41 GENERAL DESK SET OVERVIEW 41 RECEIVE AUDIO 41 SPEAKER AUDIO 41 TRANSMIT AUDIO 41 MICROPHONE AUDIO 42 GUARD TONE DETECTION 42 RELAY CONTROL MODULE 42 RESET CIRCUIT 42 PROGRAMMING 43 PC PROGRAMMING 43 General Description 43 Hardware Software Requirements 43 Communication Port 43 Connections 43 Installing the Programming Software 43 DESK SET PARAMETERS 44 PARAMETERS LINE C...

Page 6: ...M SHEET 2 73 DESK SET CONTROL MICROPROCESSOR I O SCHEMATIC DIAGRAM SHEET 3 74 DESK SET DSP BLOCK SCHEMATIC DIAGRAM SHEET 4 75 DESK SET TONE KEYPANEL SCHEMATIC DIAGRAM SHEET 5 76 DESK SET POWER SUPPLY SCHEMATIC DIAGRAM SHEET 6 77 DESK SET SIGNALING SECTION SCHEMATIC DIAGRAM SHEET 7 78 RELAY I O OPTION SCHEMATIC DIAGRAM XRC0001A 79 CIRCUIT BOARDS 81 MAIN UNIT DTD CIRCUIT BOARD 82 MAIN UNIT POWER AND...

Page 7: ...he complete identification number This applies to all components kits and chassis If the component part number is not known the order should include the number of the chassis or kit of which it is a part and sufficient description of the desired component to identify it Order parts from Customer Service GAI Tronics Corporation 400 E Wyomissing Ave Mohnton PA 19540 US 800 492 1212 Fax 610 796 5954 ...

Page 8: ...desk sets are connected in parallel Each desk set operator knows the selected frequency Local E M E M with tone control and CDM1550 LS Mobile Radio compatible Offers flexibility in types of remote and local control requires options to be installed Compatible with CDM1550 LS Mobile Radio Local mode only In local mode of operation designated as L3147 in the software a clear to send input can be used...

Page 9: ... by improper handling of the modules even in a system To avoid damage to circuits observe the following handling shipping and servicing precautions 1 Prior to and while servicing a circuit module particularly after moving within the service area momentarily touch both hands to a bare metal earth grounded surface This will discharge any static charge that may have accumulated on the person doing th...

Page 10: ...ity 95 at 50 C non condensing Line Impedance 600 ohms nominal Power Input 10 5 16 V dc 500 mA maximum from supplied ac adapter Safety Class III SELV powered equipment Powered by UL listed E104603 and CSA certified LR67888 Class 2 ac adapter Emissions USA FCC Part 15 Sub B Verification Canada ICES 003 Line Interface FCC Part 68 Exempt Category II Tariff 260 service for private leased line applicati...

Page 11: ...rol Virtually every aspect of the operation of these units can be programmed using the C200 XAC0008A Programming Software for unique control needs The multiple frequency control 2 line LCD display aliasing functions intercom parallel status updating programmable voice delay and multiple desk set support are standard features that provide powerful fixed station control Each of the four programmable...

Page 12: ...ed VOLUME They are imprinted with up and down arrows and are used to increase and decrease the local speaker volume and microphone levels They are also used as programming function keys Lock Button The LOCK button is used in conjunction with other buttons to provide secondary key functions IC Intercom Button The Intercom button labeled IC allows communication between desk set users without transmi...

Page 13: ...Operations section of this manual for further information LCD Display Each of the desk sets includes a backlit 2 16 character LCD display for operator information Internal Microphone This microphone is intended for use in low noise environments The handset must be on hook in order to use the microphone Handset Each desk set is equipped with a handset with a coil cord used for receiving and transmi...

Page 14: ...wer Supply 110 220 V ac 50 60 Hz 3308 00750 10 Tone Remote Adapter ITA2000A DC Remote Adapter IDA1000A Footswitch XFS002A Gooseneck Microphone XGM002A Amplified Headset Single Earpiece XHS003B Coiled Cord for XHS003B XCC004B Audio Accessory Box with Telephone Interface XAAB002A The Audio Accessory Box is required for footswitch or multiple audio device handset deskmic headset operation The XAAB002...

Page 15: ...ges to system parameters require the use of the XAC4000A Programming Bundle CD includes C200 programming software which is sold separately Complete information is contained in the Programming section of this manual Display The Model L3149B Desk Set has a backlit 2 16 character super twist LCD display to provide valuable operator information This information allows the operator to determine the sta...

Page 16: ... keys to enter the day of the month the month of the year and the year 12 When complete press the TRANSMIT button 13 The display will now show the normal mode of operation of the C200 Advanced Desk Set Receiving Calls When power is applied the desk set is in the receive mode allowing receive audio to be heard through the speaker or handset The desk set is always in receive mode unless the unit is ...

Page 17: ...esired This may be used for types of systems that provide talk courtesy tones such as trunking Press the handset PTT bar or TRANSMIT button and speak into the handset microphone to transmit when the handset is off hook and after the TRANSMIT LED lights Transmit From Internal Local Microphone Use the internal microphone only in low noise environments The handset must be on hook for the local microp...

Page 18: ...a unit ID in MDC mode or clearing the MDC status from the second line of the display SELECT The SELECT button is used to select a frequency in frequency selection mode select a paging type in page mode or select a MDC1200 type in MDC mode Note that in paging and MDC modes the SELECT button moves forward through the list Using LOCK SELECT moves backward through the list UP DOWN BUTTONS The UP and D...

Page 19: ...OCK VOLUME Down buttons will mute the internal speaker indefinitely Pressing VOLUME Up VOLUME Down LOCK VOLUME Up or removing the handset from the cradle and returning it will reset this setting LOCKButton The LOCK button is used in conjunction with other buttons for additional button operation IC Intercom Button To communicate between desk sets without transmitting over the radio channel press an...

Page 20: ...frequency has been selected the operator may Press the SELECT button to select the frequency and exit the frequency selection mode Press the MONITOR button to select the frequency exit frequency selection mode pause 250 ms and send a monitor burst to monitor the newly selected frequency Press and hold the TRANSMIT button or handset PTT bar to select the new frequency exit the frequency selection m...

Page 21: ... tone that transmit tone will not be decoded 2 If two transmit function tones are programmed to the same frequency only the first of the tones in the sequence will be decoded the subsequent transmit function tones set to the same frequency will not 3 If a PTT function tone is programmed it is not decoded since this does not contain channel control information If a transmit function tone is program...

Page 22: ...ne of the unit is not updated and continues to be unknown flashes until a frequency change command is detected Tone Supervisor Control The Model L3149B offers a Tone Supervisor Control feature that locks out transmission of parallel units upon detection of the proper tone control sequence This feature cannot be activated during a parallel transmission The supervisor unit is programmed with appropr...

Page 23: ...Type The available page types are set by the programming software Use the SELECT button to cycle forward or LOCK SELECT to cycle backward through the enabled types Entering CapcodeDigitsforPaging If the desired capcode is not currently selected a new capcode may be entered Use the numeric keypad buttons to enter the paging capcode digits Enter the digits A B C or D by pressing LOCK 1 LOCK 2 LOCK 3...

Page 24: ...channel before sending the monitor control When the channel is free press TRANSMIT Paging tones are generated once a channel is established and the LCD displays TALK NOW This is provided that talk time has been enabled for this type of paging or alias Mic audio is transmitted to the paged individual When the preprogrammed talk time has elapsed the desk set exits the paging mode and returns to norm...

Page 25: ... the unit ID or alias from the MDC message queue SelectingtheMDC1200Type The available MDC1200 types are set by programming software Use the SELECT button to cycle forward or LOCK SELECT to cycle backward through the enabled types EnteringtheUnitIDforMDC1200 If the desired unit ID or alias is not currently selected a new unit ID may be entered or a new alias selected To enter the unit ID to be tar...

Page 26: ...sage once and exits the MDC menu As indicated in the table above some types of MDC1200 messages do not allow group IDs or allow wildcards If the operator attempts to enter an ID that is not allowed the unit may either beep indicating an invalid entry or show ERR in the ID field upon pressing TRANSMIT Acknowledgments If the type of call requires an acknowledgment the unit sends the first attempt an...

Page 27: ... Exiting the MDC Menu below Additionally if the operator desires to selectively call a different unit the MDC menu must be exited and reentered ExitingtheMDCMenu If a call is acknowledged or not acknowledged the MDC menu is automatically exited and the desk set returns to normal operation At any time while in the MDC menu the operator may press the button used to enter the MDC menu to exit i e the...

Page 28: ...T ID Line 5 shows an outbound Call Alert Line 6 shows the inbound acknowledgment for the Call Alert on line 5 Lines 7 through 12 show an outbound Call Alert that did not receive an acknowledgment Line 12 shows that the Call Alert failed If during the retry sequence the operator terminated the Call Alert the status would show ABORT If an alias of SHERIFF is programmed for the unit ID 1234 the print...

Page 29: ...0 x 39 Message 0 x 3A Radio Enable 0 x 3B Radio Disable 3 Y1 First ASCII digit of ID or alias number most significant digit 4 Y2 Second ASCII digit of ID or alias number 5 Y3 Third ASCII digit of ID or alias number 6 Y4 Fourth ASCII digit of ID least significant digit 7 S M1 First ASCII digit of Status Message if opcode is Status or Message most significant digit 8 S M2 Second ASCII digit of Statu...

Page 30: ...controlled by software programmed parameters Byte Value Description 0 2 2 0x32 Always for Paging 1 0 or 1 0 0x30 Indicates an alias number is used 1 0x31 Indicates a capcode is used 2 Page Type 1 0x31 DTMF 2 0x32 2 Tone 3 0x33 Plectron 4 0x34 5 6 Tone 5 0x35 2805 6 0x36 1500 Y1 First ASCII digit of capcode or alias number Most significant digit 4 Y2 Second ASCII digit of capcode or alias number 5 ...

Page 31: ...t 3 9 X Don t Care Unused Example To change the current frequency to F12 PC to C200 CR C200 to PC 0 1 8 C200 Response PC to C200 5 1 2 Frequency changed to F12 C200 to PC Acknowledge that frequency change is complete CustomTones Custom tones allow the PC to direct the C200 to initiate a transmission and generate a specified tone frequency The unit remains keyed to allow additional tones to be gene...

Page 32: ...7 8 192 1 0x00ff 0x1225 1 0x25 1 0x12 MSW 1 2 or 0x31 0x32 LSW 0xff00 round 567 8 192 8 0x00ff 0x1225 8 0x12 8 0x12 LSW 1 2 or 0x31 0x32 To generate the tone sequence the following must occur PC to C200 CR C200 to PC 0 1 8 C200 Response PC to C200 4 1 3 E 2 7 Initiate transmission and generate 1234 Hz C200 to PC Acknowledge that tone is being generated PC must time the duration for the tone PC to ...

Page 33: ...s for the L3149B programmed for both tone standard or local control L3147A operation NOTE The distance between the desk set and the radio must not exceed 1000 feet when programmed for local control Local Control L3147A Example Installation Diagram Shown connected in parallel within one building ...

Page 34: ...ility to wall mount the units FCC Interference Warnings The FCC requires that manuals pertaining to Class A and Class B computing devices contain warnings about possible interference with local and residential radio and TV reception Please read these warnings and all safety information in the Foreword section of this manual Electrostatic Discharge ESD Protection These desk set units have ESD prote...

Page 35: ...mmunication wiring and cabling for interconnection to other equipment that is suitable for the purpose Cables should be marked as CM CMP CMR or CMX as appropriate for the use Interconnecting data cables should be separated from electrical light or other Class I power cables by at least 2 inches The exception is where Class I wiring or power circuits are run in a raceway or in metal sheathed metal ...

Page 36: ...e company Local Exchange Carrier may request a Facility Interface Code FIC The FIC is subject is to local availability Analog Facility Interface Code FIC Description 02NO2 2 wire private line no signaling conversion by LEC IN Band 02NO4 4 wire private line no signaling conversion by LEC IN Band Metallic 2 or 4 wire metallic private line Hoot and holler circuits Within a manufacturing plant a campu...

Page 37: ...relay module and the radio The items in bold are pertinent connections Also note that the radio must provide the appropriate pull up 47 kilohms for proper operation J701 Pin Description Connect To 1 Programmable Input CTS input CDM1550 LS LTR Support 2 Ground Return Radio Ground same as pin 24 3 Monitor Sense Input Pin 13 if parallel units used 4 PTT Sense Input Pin 16 if parallel units used 5 Pro...

Page 38: ...utton speak into the internal microphone and momentarily press the VOLUME Up button to increase sensitivity or press VOLUME Down to decrease microphone sensitivity The display indicates the level HandsetMicrophone With the handset off hook hold down the handset pressbar PTT and speak into the handset microphone Momentarily press the VOLUME Up button to increase sensitivity or the VOLUME Down butto...

Page 39: ...n unsquelched condition The desk set uses this input as a VOX indicator so when asserted generates a VOX condition However the speaker squelch is operated by voice activity M Lead A closure is needed to act as the M lead which is the relay closure The M lead is closed depending on the type of configuration and the type of transmission only during a non intercom transmission When configured as E M ...

Page 40: ...on 1 B OUT through 10 ohms 2 RS 232 Printer TX OUT 3 Monitor IN polarity per program software internal 220 kilohms to 5 volts 4 AGND 5 Mic IN with bias voltage 6 PTT IN polarity per program software internal 220 kilohms to 5 volts 7 RS 232 Printer TX IN 8 RX Audio OUT same as handset audio Mounting The desk sets can be placed on a desk or mounted vertically on a wall To wall mount the desk set rem...

Page 41: ...the programming features Press To program PROG 1 5 Line Output Adjust Default 10 dB PROG 2 6 Line Input Sensitivity Default 9 dB PROG 3 7 Internal Diagnostics Press To program PROG 2 6 DC Module Diagnostic Press To program LOCK PROG 1 5 DCLOTL Threshold LOCK PROG 4 8 DCLOTL Threshold with no dc supply PROG 1 5 Relay Module Diagnostic PROG 3 7 RS232 Diagnostic PROG 4 8 Keyboard Diagnostic PROG 4 8 ...

Page 42: ...ered and the buttons may now be pressed PROG 1 5 Line Output Adjust An ac voltmeter or SinAd meter should be connected across the line to achieve the proper level setting Ensure that the line is terminated with a 600 ohm load After entering the main programming selection mode press the PROG 1 5 button The display indicates the current setting which is set at the factory at 10 dBm The range for thi...

Page 43: ...ge of 0 to 15 dB of line loss in 3 dB increments The compensation is considered a pre gain to the line in circuitry of the desk set For example if the RX audio output of the radio tone panel or TNA200 is 0 dBm and the telephone system has 10 dB of line loss the desk set line input sensitivity should be set to level 4 9 dBm to accommodate the 10 dB of incurred line loss After pressing the PROG 2 6 ...

Page 44: ...setting to be done properly a dc supply must be connected to the line pair with 3 volts When LOCK PROG 1 5 to pressed the unit reads the dc voltage on the line and save the value for future DCLOTL operation LOCK PROG 4 8 Like LOCK PROG 1 5 this key sequence sets the DCLOTL threshold However no dc supply is needed To set the threshold set the current out into the proper line load typically 8 kilohm...

Page 45: ...rantee standard RS232 levels If the diagnostic functions but the unit does not operate with a PC or printer verify with an oscilloscope that the proper RS 232 levels are present Press TRANSMIT to exit the RS232 diagnostic PROG4 8 KeyboardDiagnostic This diagnostic verifies that the keyboard is operating correctly After entering the keyboard diagnostic mode the display shows KEYBOARD TEST KEYCODE X...

Page 46: ... 6 AlertToneLevelAdjustMode This mode allows the alert tone line level to be adjusted to 15 dB relative to the HLGT in 3 dB steps Button s Alert Tone Level Adjust Mode Function VOLUME Up or VOLUME Down Increases decreases the alert tone line level Each time the VOLUME Up or VOLUME Down button is pressed a beep is generated and the LCD display shows the new setting TRANSMIT Exits the alert tone lev...

Page 47: ... use by the DSP and also to P400 12 for data conditioning The input impedance is controlled by U10 When U10 1 is asserted the input impedance is 560 ohms When U10 1 is unasserted the input impedance is bridging Speaker Audio Speaker audio is originated from the DSP in digital format The DSP combines the receive audio that is notched for tone control operation side tone and beep tones to generate t...

Page 48: ...he transmit audio Guard Tone Detection When configured for tone control operation the C200 must detect guard tone from parallel units to restrict transmissions This is done by first auto leveling the transmit audio input from line 1 using U12 The audio is then converted to digital using the A D section of U16 The DSP this processes this audio to determine if guard tone is present Relay Control Mod...

Page 49: ...CommunicationPort Data is transferred via a serial communications port on the computer The port must be RS 232 compatible and either COM1 2 3 or 4 port on the computer can be used Connections The L3149B must be connected to your PC with the 25 pin D connector cable Part No XAC0004A before the programming software can be used Connect the cable to the COM 1 2 3 or 4 connector on the computer Connect...

Page 50: ...a P or p m Examples 12 hour mode 1 56P 24 hour mode 13 56 Printer Enabled If a printer is attached to the desk set enter Yes If no printer is attached to the desk set enter No Printer Port Baud Rate This parameter allows the selection of the baud rate for the printer and the programming port of the desk set The options are 38400 19200 9600 4800 2400 and 1200 baud NOTE This parameter can only be ed...

Page 51: ...his parameter should be set for high active NOTE The desk set contains an internal pull up resistor If the polarity is set for active high and no device is connected the desk set keyboard may stop responding Ensure that the type of mic and this setting are properly set Parameters Line Configuration Number of Frequencies Currents Displays the number of functional transmit frequencies that can be pr...

Page 52: ...et ear piece If the mic delay is set to a non zero value it may cause confusion during transmit due to the audible delayed voice audio To avoid this set the mic delay to 0 ms 4 Wire Intercom Path If using a 4 wire line separate transmit and receive pairs this should be enabled in order to hear other parallel desk sets when they are transmitting or during intercom Disabling this path may be necessa...

Page 53: ...require the function tone level to be 10 dB less than high level guard tone Select the levels for these tones as 0 dB and 10 dB default Function Tone Duration When the type of interface is Tone or Tone with E M control the duration of the function tone is typically 40 ms for most systems However some systems may require a longer duration for proper decoding This parameter allows the duration of th...

Page 54: ... disallows transmissions from those units When the supervisor wishes to remove supervisor control he can press the supervisor button and send the supervisor OFF tone burst The parallel units decode this and unlock the keyboard This feature is not a replacement for hard or control using a relay It can only be used when there are no parallel units transmitting If hard supervisor control is needed us...

Page 55: ...to be remapped to a single button press When a key sequence is remapped to a programmable button the programmable button emulates the programmed key sequence press When the input is asserted the programmed key sequence is pressed When the input is disasserted the programmed key sequence is released Frequency Change To allow the quick selection of common transmit frequencies a button can be program...

Page 56: ...ia Function Tone In order to disconnect parallel units from the transmitter at any time supervisory control via relay may be required Upon pressing the button the assigned relay is engaged the LED associated with the button lights and properly connected parallel units are disconnected The installer must make the proper connections to the relay control module A second press of the button reconnects...

Page 57: ...ay need to assert the TRANSMIT or MONITOR keys such as a custom transmission device Alternately when a certain condition occurs and can assert an input a page or MDC can be automatically sent When used in conjunction with the programmable buttons almost any case can be handled by this unit Input VOX or E Lead In systems requiring full featured E M control the E lead is used to indicate an unsquelc...

Page 58: ...be asserted Upon assertion the unit qualifies the assertion for X ms where X is 0 to 1000 ms in 10 ms increments Once qualified the transmission begins and the TRANSMIT LED lights If no assertion is received in the programmed amount of time SYS NOT AVAIL is displayed and the transmission is not made NOTE This option is available only if the Type of Interface is Local Relay Outputs A relay output c...

Page 59: ...eration as well as multiple operations being assigned to a single relay In the latter configuration the relay is affected by the last operation only Configure Paging This feature allows the selection of paging types available to you in the paging menu You may also determine the order in which the selected paging types appear Paging types enabled here have no effect on which paging types are availa...

Page 60: ...nts NOTE This parameter affects alias paging as well 6 dB Octave De emphasis Enable This parameter enables disables 6 dB octave de emphasis If this parameter is enabled all paging is de emphasized 6 dB octave before being put on wire lines This is helpful when paging tones are going to be in the 300 Hz to 500 Hz range If this parameter is disabled all paging is put on wire lines flat NOTE This par...

Page 61: ...78 6 399 8 422 1 445 7 470 5 496 8 524 6 4 5 553 9 584 8 617 4 651 9 688 3 726 8 767 4 810 2 855 5 903 2 5 6 1122 5 1153 4 1185 2 1217 8 1251 4 1285 8 1321 2 1357 6 1395 0 1433 4 6 A 358 9 398 1 441 6 489 8 543 3 602 6 668 3 741 3 822 2 912 0 7 B 371 5 412 1 457 1 507 0 562 3 623 7 691 8 767 4 851 1 944 1 8 Z 346 7 384 6 426 6 473 2 524 8 582 1 645 7 716 1 794 3 881 0 9 GE A 682 5 592 5 757 5 802 ...

Page 62: ...11 22 12 21 16 66 61 26 62 F N A 11 13 33 44 31 14 41 34 43 G N A 11 13 33 31 55 15 51 35 52 H N A 11 13 33 31 16 66 61 36 63 J N A 11 14 41 44 55 15 45 54 51 K N A 11 14 41 44 16 66 61 46 64 L N A 11 15 51 16 55 66 61 56 65 M N A 23 22 33 44 32 24 42 34 43 N N A 23 22 33 32 55 25 52 35 53 P N A 23 22 33 32 26 66 62 36 63 Q N A 24 22 42 44 55 25 45 54 52 R N A 24 22 42 44 26 66 62 46 64 S N A 25 2...

Page 63: ... group call is made NOTE This parameter affects alias paging as well TALK NOW Timer for Two Tone Paging Allows selection of the length of time a user is allowed to talk after the paging signal If the TRANSMIT button is pressed during TALK NOW time the unit continues to transmit until the button is released The range is 0 to 45 seconds If 0 seconds is selected the operator is not allowed to talk af...

Page 64: ...Duration This parameter sets the first tone duration of the Plectron sequence The valid range is 0 5 to 4 5 seconds in 0 5 second increments NOTE This parameter affects alias paging as well B Tone Duration This parameter sets the second tone duration of the Plectron sequence The valid range is 0 5 to 4 5 seconds in 0 5 second increments NOTE This parameter affects alias paging as well TALK NOW Tim...

Page 65: ...t 5 Tone Digits This parameter allows up to 5 or 6 if 5 Tone dual addressing is enabled 5 tone paging digits to be preset and controls the number of digits the operator must enter If 3 preset digits are entered the operator is only allowed to enter the fourth and fifth and sixth if 5 Tone dual addressing is enabled digits The valid digits range from 1 to 9 5 Tone Diagnostics Enable Disable for the...

Page 66: ...til the button is released The range is 0 to 45 seconds If 0 is selected the operator is not allowed to talk after the page 2805 Paging 2805 Paging Tone Off Time Allows the selection of the length of the Tone Off Time for 1500 paging The Tone On Time is equal to Tone On Time 100 ms Tone Off Time NOTE This parameter affects alias paging as well Maximum Digits Allowed From Keypad The parameter contr...

Page 67: ... Click on an area of the window for a description of its function MDCPretimeTimers TX Pretime The TX Pretime is the time the desk set waits after the transmission has begun before transmitting the data For tone control the time begins after the end of the function tone The valid range for this parameter is 0 2000 ms in 10 ms increments TX Post Pretime The TX Post Pretime is the time after the TRAN...

Page 68: ...D The unit can be configured to send only PTT ID messages Post PTT ID messages or both Generate Sidetone during MDC This parameter enables disables the generation of speaker sidetone during the generation of MDC1200 data If enabled a tone is generated to the speaker during the generation of MDC1200 so that the operator knows when to speak Automatic Select Call Enable This parameter enables disable...

Page 69: ...no MDC Emergency Relay is closed See also Emergency Enable and Emergency Ack Enable Busy Timer Enable This parameter in conjunction with the Limited Patience Time is used to determine if the loss of receive audio activity is due to pauses in speech or is actually an opportunity to transmit data Upon pressing the TRANSMIT button after the selection of a call type and target ID or alias if the limit...

Page 70: ...e timer is used when a call type and target ID has been selected and the TRANSMIT button is pressed in the presence of receive audio activity If this occurs the desk set waits the limited patience time for the receive activity to cease If the activity remains the unit transmits the data after the timer expires However if the activity ceases during the limited patience time the data may be transmit...

Page 71: ...printer These settings can only be edited if the printer is enabled Print Incoming Messages PTT Both PTT ID and Post PTT ID ACK All acknowledgments Call Alert Select Call Status Message Emergency Radio Enable Disable Radio Check Print Outgoing Messages PTT Both PTT ID and Post PTT ID ACK All acknowledgments Call Alert Select Call Radio Enable Disable Radio Check ...

Page 72: ... current alias Alias Type Select from Paging and MDC alias types Paging Type This parameter allows selection of the type of paging for the corresponding paging alias name Paging types are DTMF 2 Tone 5 Tone Plectron 2805 1500 Custom Paging and Group Paging NOTE This is only available if the selected Alias Type is Paging MDC Unit ID Valid digits are 0 to 9 A F and Up to four digits are allowed NOTE...

Page 73: ...inues to transmit until the button is released Preamble Codeplan If the Paging Type is 2 tone select a Codeplan See 2 Tone Codeplan If the Paging Type is 5 tone select a Preamble See 5 Tone Preamble Interpage Delay For group pages this is the time interval between each page in the group Tone 1 Frequency Allows selection of the first tone frequency used in custom paging NOTE This is only available ...

Page 74: ...may be added Only groups that do not page the current group may be added Changing an entry s paging type to group will not be allowed if it is included in groups that already page one group Deleting Alias Table Entries The Delete button removes an entry from the alias table The entry is also removed from any groups it is a member of If this leaves any groups empty then those groups are automatical...

Page 75: ...y adjusted for the audio being transmitted The desk set will not cause the transmitter to key Ensure that the proper guard tone and function tones dc current parameters have been programmed with the programming software Ensure that the line out level is properly adjusted for the L3149B Ensure that the remote adapter is configured and connected to the radio properly Ensure that there is a valid cir...

Page 76: ... Ensure that the monitor relay is activated when MONITOR is pressed Ensure that the monitor relay is properly connected to the radio RX Audio is low or distorted Insure that the audio level is properly adjusted for the particular speaker Insure that the line input sensitivity is properly adjusted The TRANSMIT LED does not light or SYS NOT AVAIL is displayed If the unit has a CTS input programmed e...

Page 77: ...71 Schematics ...

Page 78: ...Schematics Model L3149B C200 Advanced Desk Set 72 DeskSetLineInterfaceSchematicDiagram Sheet1 ...

Page 79: ...Model L3149B C200 Advanced Desk Set Schematics 73 DeskSetUserAudioI OSchematicDiagram Sheet2 ...

Page 80: ...Schematics Model L3149B C200 Advanced Desk Set 74 DeskSetControlMicroprocessorI OSchematicDiagram Sheet3 ...

Page 81: ...Model L3149B C200 Advanced Desk Set Schematics 75 DeskSetDSPBlockSchematicDiagram Sheet4 ...

Page 82: ...Schematics Model L3149B C200 Advanced Desk Set 76 DeskSetToneKeypanelSchematicDiagram Sheet5 ...

Page 83: ...Model L3149B C200 Advanced Desk Set Schematics 77 DeskSetPowerSupplySchematicDiagram Sheet6 ...

Page 84: ...Schematics Model L3149B C200 Advanced Desk Set 78 DeskSetSignalingSectionSchematicDiagram Sheet7 ...

Page 85: ...Model L3149B C200 Advanced Desk Set Schematics 79 RelayI OOptionSchematicDiagram XRC0001A ...

Page 86: ...Schematics Model L3149B C200 Advanced Desk Set 80 NOTES ...

Page 87: ...81 Circuit Boards ...

Page 88: ...Circuit Boards Model L3149B C200 Advanced Desk Set 82 MainUnitDTDCircuitBoard ...

Page 89: ...Model L3149B C200 Advanced Desk Set Circuit Boards 83 MainUnitPowerandLineCircuitBoard ...

Page 90: ...Circuit Boards Model L3149B C200 Advanced Desk Set 84 RelayI OOptionCircuitBoard ...

Page 91: ...High level guard tone LLGT Low level guard tone LOTL Line Operated Transmit Light LTR Logic Trunked Radio MDC Motorola Digital Communication PL Private Line is a means of grouping users of a common radio channel Subaudible tones are transmitted with audio a particular radio s speaker or the speakers of a group of radios will unmute to broadcast a transmission only if the associated subaudible tone...

Page 92: ...Notes Model L3149B C200 Advanced Desk Set 86 ...

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