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Telex C-2002 User's Manual

1. z 750598 REV 1 ASSY 879573 REV __ e PAGE OF 4 TOP ASSEMBLY BE LN Telex Communications Inc PART Sd Nebraska USA 8 9573 me Slam fm PCB ASSY BNSF RDC KEYPAD BOARD 86ec0cV 07 06 E nia J1 D3 D2 4 OF 4 BOTTOM ASSEMBLY BE LN 819392 This drawing written description or specification represents a proprietary product of TELEX Lincoln NE and shall not be released disclosed nor duplicated without the written permission of TELEX RELEASE FOR PRODUCTION 03 22 01 xe 3 POLE TERMINAL STRIP PLUG CONNECTOR 9 21 04 038986 2 SCREW 2 56 X 3 8 8 8800134330 CABLE MAIN PCB TO DISPLAY 1 6750084 CABLE MAIN PCB TO KEYPAD PCB 6 6150083 CABLE SPEAKER 5 6750062 9 SCREW 6 32 X 25 PH 4 9280022 4 RUBBER FOOT 3 51532700 6 POLE TERMINAL STRIP PLUG CONNECTOR 2 2862055 SPEAKER 2490249 C 2002 CASE BOTTOM 0 C 2002 CASE 9 512274 C 2000 MAIN BD ASSEMBLY 8 9127203 20 X 2 LED DISPLAY ASSEMBLY 1 819516 EYPAD BOARD ASSEMBLY 6 919573 LABEL 2002 PRODUCT 2 803541 WINDOW 2002 CASE DISPLAY 4 41030 HAND SET HOOK C 2002 CASE 3 60422 KEYPAD HORIZONAL HOOK SWITCH 2
2. N lt gt N 36 37 60 LN BE Page 3 of 5 This drawing written description or specification 15 7 PART NO proprietary product of TELEX Lincoln NE and Telex Communications INC shall not be released disclosed nor duplicated 879583 without the written permission of TELEX Lincoln Nebraska USA APPROVALS DR BY SBC CHKD BY APPD BY PROD REV LEVEL 3 DATE 03 04 2002 PCB ASSY C 2002 MAIN BOARD DESCRIPTION PART PARTNO DM ML R72 R75 R77 R79 R80 R82 R84 R86 R88 R90 R93 R94 R96 R98 R100 R102 R104 R54 R63 R65 64 24 RES 15 0805 102515200 R184 R145 R146 65 2 TRANSFORMER 42TMO16 600 600 351802591174 66 2 4211218 10K 10K_ 708212173 7 er ehe TESTPONT 7917001409 erronea TP8 TP10 TP11 TP12 TP13 X 7602522U1 0 1 0 0 0 0 69 j rL084SO16 4300047041 U17 U36 2 C CS5330M7 760264U12U13 0 0 0 512 NED5322408 760268 U14 U32 U37 U38 U39 72 760256 016 02603 3 550 7 760262 U18 74 1 PERRITE COMMONMODE 724039049 75 1 CRYSTAL 32768MHZ 780180U2 2 760349U20 7 vlc 760257U21U22U23U27U28U29U30 X 760307U24 74 1 51302258 70605 80 JATZ24Cl 9113300003 1 1 CD40588 53266123934 U35 82 1 SOCKE
3. DTMF Output Level Tone duration EPEA Tone Spacing HE Hang Time Keypad Enable Disable PTT with DTMF Enable Disable DTMF RX Hold Single Tone Settings a eee Guard Function Hold Levels Guard Hold Frequencies d Guard Hold duration s Tech mode PIN Number TX Delay setup MicAGC Enable Disable Handset Connected 242522225 Parallel Console UP Date Alphanumeric Decision Screen Line FTone Selection screen Blinking Line Select LED Line Alphanumeric Selection screen Line Alphanumeric Programming Screen Remote Control Console 15 7 1 4 Button Activated Setup Modes ewe LN1 LN2 Per Line Parameters Setup E Line Enable Disable Tone Local Setting Crossmute Enable Disable TX Enable Disable Unselect Normal Locked ee ee DTMF ANI Decode Enable F1 F16 Function Tone Parameter Screen Function Tone Enable Disable Tone Programming Screen Frequency Programming Screen Duration Programming Screen SUP Supervisor Function Enable Disable MUTE Mute Button Setup Timed Momentary Timed Mute Duration Setup Incoming Select Call Setup eae Select Call Timer Setup ee Rx Setup MON Monitor Programming Screen Auto Manual
4. PROG4 Return to Alphanumeric Decision Screen Line button selects the line number to be programmed with alphanumeric Function tone button selects the function tone number to be programmed 7 5 1 1 Line Alphanumeric Selection Screen Once both the line and function tone have been selected the following screen is displayed The top line displays the line and function tone number as well as the 8 digit alphanumeric that is displayed whenever the line function tone number combination is brought up in the operational mode The example figure below shows the current alphanumeric Once at this L1 Fl Rampart screen the technician is able to enter alphanumeric via the DTMF pad edit back PROG2 Enters the string editing mode PROGA Returns to the Alphanumeric Decision Screen 7 5 1 1 1 Line Alphanumeric Programming Screen 11 Rampart Clear ESC PROGI Clears the current string PROG4 Exits the string and returns to the edit screen Entering the edit mode yields the screen below When a button that is part of the keypad is pressed the characters on that button are placed in the location of the blinking cursor The technician can cycle through the available characters of each button by pressing the button repeatedly For example pressing 1 on the DTMF keypad will place a 1 in the location of the cursor pressing 1 again dis
5. TELE signaling Product Company Model C 2002 Radio Control Console Technical Manual November 8 2005 P N 803548 REV D Remote Control Console 1 1 2 Table of Contents INTRODUCTION Er D 1 CONTROLS AND INDICATORS s cscsscsoscosvesessecoesosscovssonsecesseovesensocnesessesvssecsscoasessuonstescoevesessndoesorisossevsseseeones 2 2 1 ERONBBANEDz zA iie e e ee ite ase 2 2 1 1 Common Controls and Indicators ccccccccccccssseesceccccccsssssseeccccccussssececccecsuusseccesecessusseccececeusausecceesseeeaaaens 2 2 2 REAR PANEL eee eet 3 2 2 1 uiii den tete sek eae inte eo eet 3 OPERA TION 5 31 te s tuit Ut 5 3 2 REEEASING TINE 5 ahaa E 5 3 3 hune ub 5 3 4 SELECTING As FREQUENCY 2 5 3 5 SUPERVISORY CONTROL 5 3 6 SENDING ALERT TONES 5 37 VOLUM
6. rene enne 34 8 2 C 2002 KEYPAD BOARD P N 879573 ie etate cote erect ede eee ec eee co uvae 34 8 2 1 Au 34 6 2 2 Bill of Material component 1 34 8 3 C 2002 TOP ASSEMBLY 879592 seen 34 9 WARRANTY SERVICE REPAIR AND COMMENTTES ee eee eee eee ee eee seen sette setas ese 35 10 SPECIFICATIONS 36 iv Vega s C 2002 Table of Figures Fieure1 Front Panel Diagram 6 neat Re e Pe REDDERE elke PE 2 Figure 2 Rear Panel 3 Fisure 3 Rear Panel Pinout ck oss os oi shea ie dp e 4 Figure 4 Line Connector Pin OUt ie e e n 6 Figure 5 Crossmute Function example 6 Figure 6 Supervisor Function Example sse 7 Figure 7 Master Slave Console 8 C 2002 DEFAULT SHIPPING CONFIGURATION The C 2002HS is shipped from the factory in the following state 1 4 Wire Mode 2 Full Duplex 3 Monitor Disabled 4 600 Ohm TX output impedance 5 600 Ohm RX input impedance Remote Control Console 1 1 Introduction The model C 2002 is a full featured Two Line multi format and self contained des
7. MIC AGC OFF 1 Handset Port DISABLE 1 System Settings CUpdate next back Console Update OFF 41 This screen asks for the operator to choose a Line Function tone combination or Group to have an alphanumeric assignment or group alphanumeric assignment While this screen is displayed the keyboard blinks LN1 LN2 1 F8 and ALT to remind the operator what buttons are used in this mode for programming PROG4 Return to the Opening Menu Line button Go to Line FTone Selection Screen Function tone button Go to Line FTone Selection Screen ALT button Go to alternate F tone selection Select Line FT Group back Remote Control Console 25 7 5 1 Line F Tone Selection Screen This screen displays the line or function tone number selected from the Alphanumeric Decision Screen It waits for the other piece of information line or function tone number and then proceeds to the Line Alphanumeric Selection Screen If the function tone has been selected first as in the example on the right the screen waits for the line number to be selected If the technician selects another function tone number before selecting a line number the screen shall update to accommodate the new function tone number The same procedure is used if the line number is the first to be selected left example 11 1
8. The Unselect duration for incoming select call see also Incoming Select Call DTMF String Setup is set in this screen The default value is 7 seconds This is the period of time for which the line will be unselected when the Remote Control Console 21 string is received After this period of time line is no longer unselected but will blink until the console operator performs PTT operation on the line The value for this duration is setup using the Progl The edit screen allows the value to be increased and decreased in increments of one second DTMF RX Hold 7 sec PROGI Enter the Edit Screen Edi 1 Go to first DTMF screen dit ext bac PROG4 Return to Tone Settings Screen 7 4 3 1 2 Single Tone Settings PROGI Go to Guard Function Hold Level Settings Tone Settings PROG2 Go to Guard Hold Frequencies Lvl Freq Dur back PROG3 Go to Guard Hold Duration s PROG4 Return to Tone Settings Screen 7 4 3 1 2 1 Guard Function Hold Level Settings The top line of this screen has a three number list representing the level of each tone components of a tone burst In the default example 10 0 20 10 is the guard tone level 0 is the function tone level and 20 is the hold tone level On this screen the technician is able to use the PROG buttons to select which tone level to modify If PROGI is pressed for example the display cursor shall jump t
9. VRS 74LCX541 C104 3 3v 47pF Q m PANELMI S 2145 C126 N 8081 1 1K 9 KMUTE1_IN SUP2_IN 741 574 lt KMUTE2_IN 9 Telex TELEX COMMUNICATIONS INC Lincoln Nebraska U S A R127 10K R138 10K R164 10K 74LCX541 lt DESKPTT V 1525 0 2002 2 LINE CONSOLE D21 lt RELEASED DATED 0 4 REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 SCALE 1071717 REVISIONS This drawing written description ar specification SEN DESGRIFTIDN DATE APPD represents n prapriatary product of TELEX Lincoln and shall be released disclosed mx pce 121 CN 2 Le N a 74LCX574 N a e C89 Q tuF HEADER_14 TXRLY1 LD DISPLAY LOCALI gt Sa lt 2 LOCAL2 2 TXMON1 gt 2 2 HHSET gt i 0 00 241 0 00 23 74 574 TELEX COMMUNICATIONS INC Lincoln Nebraska U S A DRAWN DATED SBC 07 12 02 CHECKED DATED RELEASED DATED REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 VEGA C 2002 2 CONSOLE CODE SIZE DRAWING NO REV 3 AO CEST T REVISIUNS This drawing written description ar specification SEN DATE APPD represents n prapriatary product of TELEX TELEX 3 3 69
10. R56 C63 C22 825 Em m mii ion 6 5 0 5 Enn 2 8 C66 C67 C65 92 HON 0 0000 122 J SZ 228 ies F hmmm 52 jure ic iint mmcss 0 a R185 148 E KER wm D14 E m ME m H tye 852 Wii 8 R173 T Mp em iti iom ma D mr C 2002 750605 05110000000 ASSY 879583 Rev TOP ASSEMBLY 5 OF This drawing written description or specification represents a proprietary product of TELEX Lincoln NE and shall not be released disclosed nor duplicated without the written permission of TELEX 40PIN_HEADER J2 2 PANELMIC REDIAL D2 REFERENCE PRINTED CIRCUIT BOARD NUMBER 750XXX RELEASE REVISIONS CHG NO LTR DESCRIPTION DATE APPD COMPANY MH9 RUBBER MH94 MH8 RUBBER MH94 MH10 RUBBER MH94 RUBBER 94 MH12 RUBBER 94 MH13 RUBBER 94 MH14 RUBBER MH94 15 RUBBER MH94 lelex TEL
11. PROGA Return to System Settings Screen 7 4 3 1 1 DTMF Settings The following screens are used to program the DTMF characteristics levels and timing 7 4 3 1 1 1 First DTMF Settings Screen programmed characteristics are displayed on the top line in two separate screens The programmed level is first and the hand timer is second PROGI Go to DTMF Output Level Screen DTMF 0dB 500 PROG2 Go to DTMF Hang Time Screen Lvl Hold next back PROG3 Go to DTMF Spacing Screen SES PROG4 Return to Tone Settings Screen amp D D gt D 7 4 3 1 1 1 1 DTMF Output Level PROG Resets level setting to default of OdB 2 Decrements the level setting by 1 dB minimum of 20dB Level OdB PROG3 Increments the level setting by 1 dB maximum of 5dB dwn up back PROG4 Saves the current level setting and returns to the SE aum Settings screen e 7 4 3 1 1 1 2 DTMF Hold Timer The Hold timer is used to instruct the console in how long to wait for an additional DTMF digit to be pressed before releasing the guard tone This prevents the console from keying up and down each time a digit is pressed 20 Vega s C 2002 PROGI Resets level setting to default of 500 ms 2 Decrements the level setting by 10 ms PROG3 Increments the level setting by 10 ms PROG4 Saves the current level
12. 681 OHMS 0805 102515180 8133 _ _ ct R137 R176 R188 R191 R192 R193 R194 R195 0 OHMS 0805 102506000 200 R201 R202 R203 R204 R205 R206 R49 R50 1 21K 0805 102515208 8147 62K 0805 102515272 165 5 1MEG 0805 102506105 R170 R124 R178 R179 R180 R73 R158 R144 5 6 5 04 OHMS 0805 102515175 171 R182 R55 R151 R207 R20 R19 R20 R16 R52 R56 R134 R135 R136 R217 47 OHMS 0805 102506470 218 R219 R220 R221 R183 R185 74K 0805 102515242 R186 21K 0805 102515433 8187 1025064731198 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R29 R33 R36 R39 R47 R48 R57 R59 R60 R66 R67 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R127 R128 R129 R131 R132 R138 R139 R140 R141 R142 R148 R149 R150 R152 R154 R155 R156 R157 R159 R160 R164 R167 R168 R169 R172 R173 R174 R175 R181 R197 R199 R81 R76 R95 R83 R97 R99 R85 R101 R78 R103 R87 R105 R74 R46 R53 R61 R62 R64 R68 R71 R89 R91 R92 R189 R209 R210 10K 0805 102515300 211 R212 R213 R214 R215 R216 562 OHMS 0805 102515172 R31 R35 R41 R38 267K 0805 102515441 R34 R37 R40 R45 R51 R107 R3C 150 OHMS 0805 102515117 R43 R44 R130 R32 R42 2 m 2 37 Oo 2 2 n n 2 N 2 2 N 2 N N 2 N A 2 2 91 N 2 zi 2 zi 20 20 20120 2 E 2 fn m m m m m mimi m m m 2 gt E 2 gt T lt 2 lt gt WIN Q
13. Line 2 in position 8 Vega s C 2002 Console 8 Position Impedance Impedance Loss dB 1 A 604 604 0 0 2 B 10k 569 0 5 3 B 10k 539 1 0 4 B 10k 511 1 5 5 B 10k 486 1 9 6 B 10k 464 2 3 Level adjustment can be made to receive audio entering setup mode or adjusting RX level POT inside the C 2002 4 2 6 TX Side Settings The C 2002 TX output circuitry has a DPDT relay that is used to connect and disconnect the TX output transformer from the TX line based on PTT status This allows a very large number of consoles to be attached to the line in parallel because only the transmitting unit will be directly connected to the line When not transmitting the DPDT relay is connected to 600 ohms or open circuit depending on the number of console connected in parallel to the line If only one console is attached this unit should have J16 Line 1 or J26 Line 2 in the A position This makes it the effective master and terminates the line with 600 ohms If there are more than one console connected in parallel one console should be designated as the master by placing J16 Line 1 or J26 Line 2 in the A position and the remaining consoles should be designated as a slave and should have J16 Line 1 or J26 Line 2 placed in the position In this manner the impedance looking back into the parallel configuration of consoles is still 600 ohms Figure 7 shows the basic configuration
14. The C 2002 could also be the master in this configuration NOTE If any of the consoles connected in parallel are not C 2002 s then all the C 2002 s should be configured as slaves Additionally J2 Line 1 or J4 Line 2 should be used as a TX line impedance correction if there are consoles other than the C 2002 connected in parallel J2 Line 1 Line 2 position adds another 600ohms to the output TX line J2 Line 1 or J4 Line 2 Position A is straight through Master Slave Slave gee Slave 12 J12 J12 POS B J12 POS B 600 open open open ohms C2000 Multiple Console Configuration Leased Line Figure 7 Master Slave Console Configuration 4 2 7 Transmit Monitor In a four wire system with parallel consoles the transmit line may be monitored Refer to section 4 3 2 the monitor level setup on adjusting the level The transmit monitor is not needed in two wire mode as the transmit audio 1s already on the receive circuit The transmit monitor in 4 wire mode is used to detect transmit activity for the TX Detect LED Remote Control Console 9 4 3 Level Adjustments 4 3 1 Transmit Side Adjustments The transmit audio consists of multiple audio sources microphone audio AUX input function tones and tones Each audio sources is summed or generated in the DSP with the analog signal being generated on a single D
15. 0240048 KEYPAD BNSF RDC 0240041 QTY DESCRIPTION PART NUMBER SPEFICATION UNSPEC DEC IMA P2 READS 005 IN TNESS AND OR LATNESS 005 IN 1 IN GLES 1 BENDS 2 CENTRICITY SEE TABLE ARKED ANGLES BENDS D INTERSECTIONS 90 EXT CLASS 2A INT CLASS 2B FIED LIMITS OF TOLERANCE 3 28 02 osa PRACT ON 3 Um o n MACHINED 010 IN FINISH 4 CHK BY Cd i PROD TTITLE TELEX COMMUNICATIONS INC Lincoln Nebraska U S A C 2002 DUAL LINE CONSOLE SIZE CODE IDENT DWG No 57010 47277 SCALE 173 SHEET OF Remote Control Console 35 9 Warranty Service Repair and Comments Important Be sure the exact return address and a description of the problem or work to be done are enclosed with your equipment Warranty Limited All Telex Communications Vega signaling products are guaranteed against malfunction due to defects in materials and workmanship for three years beginning at the date of original purchase If such a malfunction occurs the product will be repaired or replaced at our option without charge during the three year period if delivered to the Telex factory Warranty does not extend to damage due to improper repairs finish or appearance items or malfunction due to abuse or operation under other than the specified conditions nor does it extend to incidental or consequen
16. 1 22002 CONSOLE 5 TND 10 5 1 1 DNO ERES 10 5111 Eine Interface ie Ee cose reset de e ee v EA VO dese Peso cay let de Pe Vos 10 5 1 2 Keypad PCB neueste e ete e e DH RO RAD RENI WR Duties 10 5 1 3 10 THEORY OPERA TON 11 6 1 INPUT PATHS O deed ee an 11 6 2 AUDIO OUTPUT PATHS Ie De RE HET 11 6 3 LINE RECEIVE PATHS LINE ONE TWO essen 11 6 4 SYSTEM CLOCK GENERATION 12 6 5 NON VOLATILE MEMORY EEPROM ccccccssessscesceeseesecesecscecaeeenecaeseesseesseenaecaeceaecsaecaaecaeseaeeeseenneeneeees 12 6 6 IBI AK OPE 12 6 7 CLONE MODE SERIAL PORT chere leet 12 6 8 POWER REGULATION AND RESET CONTROL ccsesssseeececeessseceeececsessaeceeececsesnsaeceeececsessaeseeeceeseneneaeeeeeceenes 12 13 7 1 Pe 13 7 1 1 Erasing all settini S uus 13 7 1 2 Resetting the PIN Number ena ed due e A nite 13 7 1 3 Opening Display Menu a etta teta ue o ee b PR E ERR 14 7 1 4 Button Acti
17. FB14 FB15 FB16 231 1 CONN 6401256 77 24 0 34 ONN 3PINTHRUHOLE _ 2861772010J25J26J4 25 2 CONN______ RJ 8 LOW PROFILE 06401341127 26 J 3PINSMT 0401241516 J17 J18 J19 422 J23J2 27 w 6040123021 0 0 0 0 0 0 0 28 5994600024 29 1 CONN J3PINRTANGLE 286205003 30 POWER25MM 59900 5 31 J6PINRTANGLE 2862056036 32 2PINLOCKING 28619220155 LN BE Page 2 of 5 This drawing written description or specification 15 7 PART NO proprietary product of TELEX Lincoln NE and Telex Communications INC shall not be released disclosed nor duplicated 879583 without the written permission of TELEX Lincoln Nebraska USA DR BY SBC CHKD BY APPD BY PROD REV LEVEL 3 DATE 03 04 2002 PCB ASSY C 2002 MAIN BOARD gt DESCRIPTION PART NO DESIGNATOR 2 33 _____ 4 640132107 34 2 RELAY JRLYSPDTSMT 730142 K2 K5 5 K7 K4 INDUCTOR 820UH 1812 723510411 L2 L3 L4 L5 L6 L7 L8 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q28 Q29 Q30 Q31 Q32 Q33 Q34 MMBT3904 SOT 23 54671200 Q35 Q36 Q37 1 3K 0805 102515211 R1 61 9K 0805 102515376 R106 O OHMS DNP R108 100K VERT ADJ 723097 R123 R125 R143 R153 R161 R162 R19 2 102515329 126 R122 R163 R166 R177 R69 19
18. LAM S Release 7 seconds 53 122 Line 2 LAM S Trigger Level 10dbm 7 3 1 2 1 Line 2 LAM U Release 7 seconds 7 3 1 2 2 Line 2 LAM U Trigger Level 10dbm 7 6 1 Line 2 Enable Disable Enable 7 6 2 Line 2 Tone Local Tone 7 6 3 Line 2 Crossmute ON 7 6 4 Line 2 Squelch OFF 7 6 5 Line 2 TX Monitor OFF 7 6 6 Line 2 RX AGC ON 7 6 7 Line 2 TX Enable Enabled 7 6 8 Line 2 Unselect Lock Unlocked 7 3 2 1 1 Desk Mic Gain Odbm 13212 Handset Mic Gain Odbm 7 3 2 1 3 AUX input Gain Odbm 7 3 2 2 1 Min SPKR level Odbm 7 3 2 3 1 TX Audio output level Odbm 7 4 3 1 1 1 DTMF output Level Odbm 7 4 3 1 1 2 DTMF Hold timer 500 msec 7 4 3 1 1 3 DTMF Keypad Enable Enabled 7 4 3 1 1 4 DTMF Generates PTT Enabled Section Parameter Default Programmed 7 4 3 1 1 5 Select Call Timer 7 sec 7 4 3 1 2 1 Guard Func Hold Levels 10 0 20 7 4 3 1 2 2 Guard Hold Frequency 2175HZ 32 Vega s C 2002 7 4 3 1 2 3 Guard Duration 130msec 7 4 3 1 2 3 Hold Duration 200msec 7 4 4 2 TX Delay Omsec 7 4 5 1 Unselect Audio Mute OFF 7 4 5 2 Duplex Disabled 7 4 6 1 Mic AGC ON 7 4 6 2 Handset Port Disabled 7 5 1 1 Alphanumeric L1 F1 7 5 1 1 Alphanumeric L1 F2 7 5 1 1 Alphanumeric L1 F3 7 5 1 1 Alphanumeric L1 F4 7 5 1 1 Alphanumeric L1 F5 7 5 1 1 Alphanumeric L1 F6 7 5 1 1 Alphanumeric L1 F7 7 5 1 1 Alphanumeric L1 F8 7 5
19. Selection Monitor Tone Selection Monitor Frequency Monitor Duration Monitor Level 7 2 Opening menu The following buttons are active during this screen PROGRAMMING MODE 1 1 tt ters the Level M Pressing this button enters the Level Menu Screen LVLS SYS ALPHA EXIT PROG2 Directs the display to the System Settings Screen PROG3 Directs the display to the Alpha Settings Screen PROG4 Exits the Setup Mode LNI1 LN2 Directs the display to the Line Tone Local Screen F1 F8 Function Tone Parameter Screen SUP Enables supervisor mode MUTE Set mute functionality ALERT Directs the display to the Alert Cadence Programming Screen MON Directs the display to the Monitor Programming Screen 7 3 Level Menu Screen Select Line Main When this screen is displayed the following buttons are active Main back PROGI Direct display to Main Level Settings Screen PROGA Go back to Opening Menu Pressing any Line button Displays the Line Level Setting Screen for that selected line Pressing any Mute button Displays the PER line level of mute for that selected line 16 Vega s C 2002 7 3 1 Menu 1 Line Level Settings This screen is displayed after a line has been selected from the Level Menu Screen The selected line number is shown on the display and the select LED for that line continues to blink In this example Line 1 has been
20. System Setup Screen TAG MICA GC RUfICUOR CR RUE ERE E dde cn EH EHE I 7 4 6 2 Handset 1nstalled EARS ee da E ERES 7 4 7 Menu 6 System Setup Screen 7 4 7 1 Parallel Console UP Date Function 7 5 ALPHANUMERIC FUNCTION LINE SETUP 7 5 1 Line F Tone Selection Screen sess 7 5 1 1 Line Alphanumeric Selection Screen 7 5 1 1 1 Line Alphanumeric Programming Screen 25 7 6 GINE TLONE LOCAL SCORREN ree RERUM 26 7 6 1 Enable Disable the Line 26 7 6 2 Tone OF Control a deca RE e e art epe e te 26 7 6 3 Grossmute Setups irit t tera eene i 26 7 6 4 26 7 6 5 TX Monitor 5 26 7 6 6 Automatic Gain Control AGC Enable Disable esses esee 27 7 6 7 TX Enable Disable per Line 7 6 6 Forced Unselect of a Line 7 6 9 DTMF ANI Decode Enable Remote Control Console lil ET tete e ER a sane esc e ge ape e uie ioe e t erede be gens 27 7 7 1 Per line Mute button dtes ete err Spree en 27 7 7 2 Incoming Select Call DTMF String 5 28 7 8 FUNCTION TONE PARAMETER SCREEN scieti ai
21. and and then applying power YES NO The screen displayed asks if the user wants to restore defaults or not 2 pem 2 PROGI Answer YES and you will clear all settings to the factory defaults PROG3 Answer NO and you will enter the user mode 7 1 2 Resetting the PIN Number In the event the PIN number is either forgotten or not known the test jumper J15 on the main board inside the unit can be used to enter a self test mode and reset the PIN With the power removed from the unit move J15 to position on the board Power up the board The PIN number is cleared allowing immediate entry into the tech mode Power down the board and move the J15 back to the A position Close the case and resume normal operations with the C 2002 14 Vega s C 2002 7 1 3 Opening Display Menu Level menu Screen Line Level Settings Select LEDS Blink RX Input Level LAM Programming LAM duration after release Trigger Level Select Unselect Settings Mute Level Settings Mute LEDS Blink ON OFF Level i Main Level Settings BENE Microphones rer Desk microphone preamp gain Handset preamp gain Aux input preamp gain Speaker Levels Minimum SPKR Level Dump RS 232C clone command aera aera Dump Error Screen Ln Tone Settings LOT IPSE DTMF Settings
22. are programmable from 400Hz to 3000Hz at 50Hz increments Accuracy 61 Hz Operating Temperature Range 0 to 70 degree C Power Requirements 117 60Hz 25W 12 0 Vdc at 1A maximum Microphone Connection Handset and Headset 4 wire Desk uses 6 wire Note Specifications are subject to change with out notice
23. be connected to TX of the other console Ground is connected straight through This is a non standard serial port used only for the C 2002 cloning function Remote Control Console 5 3 Operation 3 1 Selecting a line Selection of a line for transmit occurs when the SEL button is pressed and the LED under the switch lights to transmit on both lines press the ALT button then the SEL button of the opposite line 3 2 Releasing a line To release a selected line from transmit press the RLS button for the selected line If the RLS button LED is blinking RX audio was present on the line during the last 10 seconds or the time preset in tech mode 3 3 Muting a line To mute a particular lines RX audio from the speaker press the Mute button The mute button can be configured for both latched or timed operation If the Mute button LED is blinking a parallel console is transmitting on that line and the console is being muted to reduce feedback squeal 3 4 Selecting a frequency F Tone Selection of a F tone can be accomplished in different ways with a line selected simply press the desired F tone F1 F8 and the associated Line and F tone alphanumeric will be displayed on the second line of the display if F9 F16 are desired press the ALT button then the F tone required ALT 11 The Chan button along with the DTMF keypad can also be used to change a F tone with a line selected simply pr
24. by 10ms min of 10ms PROG3 Increments the duration setting by 10ms max of 500ms PROG4 Saves the current duration setting and returns to the Settings screen 7 4 3 1 1 3 Keypad Enable Disable DTMF Space 100 msec 100ms dwn up back This screen allows the DTMF keypad to be disabled completely during operation of the unit This would only be set to DISABLE for systems that have no requirement for DTMF operation PROGI Toggle DTMF Enabled or Disabled PROG3 Go to the fourth DTMF screen PROGA Return to Tone Settings Screen 7 4 3 1 1 4 Enable Disable PTT tones with DTMF DTMF Keypad ENABLE Tgl next back This setting governs whether PTT functions are generated when the DTMF keypad is used without the IC or PTT key If this option is set to Send PTT Tones the unit will check the line s that are selected and see if they are set to be tone or local relay control When the DTMF digit is pressed depending on the selected lines configuration a PTT tone burst or local relay closure will occur before the DTMF digit starts transmission If this option is set to No PTT Tones no PTT function will be sent and the DTMF audio will be placed onto the selected lines PROGI Toggle DTMF PTT function on or off PROG3 Go to the fifth DTMF screen PROGA Return to Tone Settings Screen 7 4 3 1 1 5 Select Call Timer Duration Setup DTMF Send PTT Tones Tgl next back
25. by 1Hz min freq of 0Hz increments the frequency by 1Hz max freq of 3500Hz PROG4 return to Alert Tone setup screen DTMF keypad may be used to program the frequency Alert 1 1000Hz Level Freq back OdB dwn up back Cad Freq 2050 1000H dwn up back 30 Vega s C 2002 7 11 Monitor Programming Screen The Monitor Programming Screen is displayed when the MON button is pressed while the display is on the Opening Menu screen This screen allows the tone characteristics and whether a monitor tone burst shall automatically go out at the beginning of every offhook condition to be configured Auto is the default and means that a monitor tone burst will go out every time the handset is taken off hook Manual means that a monitor tone burst will not go out with every off hook signal PROGI Go to Monitor Tone Characteristic Selection 2 Selects between Auto and Manual mode PROG4 Return to Opening Menu Screen 7 11 1 Monitor Characteristic Selection PROGI go to Monitor Frequency Screen PROG2 go to Monitor Duration Screen PROG3 go to Monitor Level Screen PROGA Return to Monitor Programming Screen 7 11 1 1 Monitor Frequency Monitor Auto Tone A M back Mon 2050 040 0 Freq Dur Lvl back The Monitor burst normally consists of a 130ms guard tone and is followed by a 40ms monitor tone In this screen the f
26. function tone is set The programmed level is displayed in dB as the third of three numbers The default value is The Up and Down buttons may be used to increment or decrement the level in 1dB increments The displayed level shall change to reflect the new programming PROGI resets the level to the default value of OdB PROG2 decrements the duration by 1dB minimum of 20dB PROG3 increments the duration by 188 maximum of 10dB PROGA return to Monitor Characteristic Screen Mon Lvl OdB dwn up back Remote Control Console 31 Section Parameter Default Programmed 74 4 1 PIN Number 4 2 4 Line 2 or 4 Wire mode 4 wire 4 2 5 Line RX Impedance 600 ohms 4 2 6 Line 1 TX Impedance 600 ohms 4 3 3 Line RX Input Level Odbm 7 3 1 2 1 Line 1 LAM S Release 7 seconds 7 3 1 2 2 Line 1 LAM S Trigger Level 10dbm 7 3 1 2 1 Line 1 LAM U Release 7 seconds 7 3 1 2 2 Line 1 LAM U Trigger Level 10dbm 7 6 1 Line 1 Enable Disable Enable 7 6 2 Line 1 Tone Local Tone 7 6 3 Line 1 Crossmute ON 7 6 4 Line 1 Squelch OFF 7 6 5 Line 1 TX Monitor OFF 7 6 6 Line 1 RX AGC ON 7 6 7 Line 1 TX Enable Enabled 7 6 8 Line 1 Unselect Lock Unlocked 4 2 4 Line 2 2 or 4 Wire mode 4 wire 4 2 5 Line 2 RX Impedance 600 ohms 4 2 6 Line 2 TX Impedance 600 ohms 4 3 3 Line 2 RX Input Level Odbm 7 3 1 2 1 Line 2
27. ine 3 C63 5 tik 5 8 Le a 5 3 p RXROY ci n TiQUT ER 2 o n 00 131 A 2 H gt R CN 3PIN 3232 e ON N N MCLK2 15 WR lt RI RESET Telex TELEX COMMUNICATIONS INC Lincoln Nebraska U S A DRAWN DATED sec 07 12 02 VEGA e 2000 v LINE COINS OE cou eee RELEASED DATED REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 SCALE E 7i RE VISIONS This drawing written description ar specification represents n prapriatory product of TELEX CB2 Lincoln NE and shall noi be released disclosed 47pF EF 34313 nar duplicated without the written permission pf R153 2 J18 100K R156 R155 9 R69 12 A 2W EE o lt 10K O R154 4 LINEIRX VRS 40K CB1 TRANIOK 12 4 47 2 R124 gt l R123 C59 10V 100K HOV D12 R122 U35 8 VN 7 A Dk R73 RBS 5 025 KVOTE US 604053 R110 i LOG C71 ShU 10K RI 220pF 9 4354 56 L FB9 lt TXMON1_MUTE R125 I R137 LINE 1TX ES en Le TXRLY1 gt Telex elex me ED TELEX COMMUNICATIONS INC KMUTEI_IN Lincoln Nebraska U S A DRAWN E 5 J10 co SUPILIN gt C 2002 2 LINE CONSOLE OO SUP
28. interface for the C 2002 console provides communication with any standard tone remote system Figure 4 shows the pin out of the line interface connector which is on the rear panel See Figure 2 and Figure 3 4 2 FEATURE DESCRIPTION 4 2 1 When a parallel console operator keys a microphone in the same room the crossmute function mutes the receive audio path of the other parallel consoles This prevents any unwanted audio loops that could occur causing a loud squeal on the paralleled speakers Offsite Console 1 Console 2 Console 3 Console 4 Line 1 Line 1 Line 1 Line 1 2345678 2345678 2345678 12345678 Figure 5 Crossmute Function example Feedback may be avoided by muting the receive audio of the other consoles which are in parallel with a transmitting console This may be accomplished by connecting pins and 8 of each of the consoles to be crossmuted as shown in Figure 5 Pin 8 must be connected to provide a common ground Figure 5 illustrates the connections between consoles 1 through 3 that are in the same room and when one transmits the receive audio on the other consoles will be muted Console 4 is off site with no possibility of feedback therefore it is not connected and will not be muted Note The intercom function will not work between crossmuted consoles Remote Control Console 7 4 2 22 Supervisor Function Console
29. product Because of this many of the signals that once could be probed on older products are handled within the DSP itself This would include DTMF generators and decoders notch filters tone generators and decoders and all of the audio summing A great deal of the gain controls are included within the software of the DSP There are four analog audio sections on the C 2002 they are RX Input Audio received on the line from an external source RX Output RX Input audio that has been sampled and processed by the DSP then sent to a local speaker TX Input Audio from a local microphone handset or auxiliary audio source TX Output TX Input audio that has been sampled and processed by the DSP or internally generated Tones DTMF that is summed with TX Input audio The result is routed to TX line out The following sections discuss the portions of the C 2002 that can be tested using a common oscilloscope and voltage meter by a qualified service technician 6 1 Microphone Input Paths Audio can be input from four locations These are the desk microphone jack J24 RJ 11 modular handset jack J21 RJ 12 modular panel mic built into keypad PCB and the auxiliary connector J36 on the rear of the unit For each of these inputs a single inverting Op Amp gain stage exists to bring the maximum expected level of the audio up to approximately 3 8Vp p This is the optimum level for the analog to digital converters ADC The trim potentiometer R196
30. selected PROGI Go to RX Input Level Screen PROG2 Go to LAM level setup Line 1 level adjust PROG3 Go to Line Levels Screen RX LAM back PROG4 Return to Level Menu Screen ROGI 2 R0635 ROGA 7 3 1 1 RX Input Level Screen The RX input levels serve as a master level adjustment allowing small adjustments in gain This is a per line adjustment Typically these are left at 0 dB Lnl Min Rx lvl 60dB PROGI Resets level setting to default of 60dB 60dB dwn up back 2 Increments the level setting by 1 dBm max of OdB PROG3 Decrements the level setting by 1 dBm min of 60dB PROG PROG2 PROG3 PROG4 PROG4 Return to Other Line Level Screen 7 3 1 2 LAM Programming Screen This screen shows the current settings for the Line Activity Monitor for the line number shown The U or S after the channel number denotes whether the settings are for Select or Unselect Audio Pressing PROGI or PROG2 will modify the settings for the Select or Unselect characteristics displayed when the button is pressed PROGI go to LAM Duration After Release screen LAM1 PROG2 go to LAM Trigger Level Screen 1 5 7sec 10dBm PROG3 Toggle Select or Unselect LAM control dur lvl 5 0 back PROGA Return to Other Line Level Screen 2 R063 ROGA 7 3 1 2 1 LAM Duration After Release screen This parameter determines how long
31. set the audio levels from the desk microphone jack there is no Handset microphone gain adjustment All audio inputs mentioned previously share one half of the ADC U12 with a CMOS switch U34 B used to route audio from the appropriate source to the actual input pin of the ADC The auxiliary input J36 4 is used to include an additional audio source into the transmit path It has an integrated PTT J36 2 input that when pulled low will select audio from this source for transmission Audio or tone levels injected at the Auxiliary input should be on the order of 1 5 Vp p as the fixed gain ratio of R190 R189 2 and the target ADC level is approximately 3 5vp p There are no hardware adjustments available for the Panel microphone 6 2 Audio Output Paths SPEAKER AUDIO Speaker audio originates as all audio output signals do from the DSP The digitized audio is clocked to DAC U10 pin 1 The analog audio is sourced on U10 pin 8 passes through an analog filter and inverting gain stage U14 A before arriving at the speaker audio driver U24 The two Watt speaker driver audio is passed to the speaker connector J5 Speaker audio levels are software controlled TRANSMIT AUDIO LINE ONE TWO Transmit audio still digitized is clocked to U9 pin 1 for both transmit channels Analog transmit audio can be seen on U9 pins 8 5 Transmit audio passes through an analog filter before reaching the output gain stage TX output levels can be adjusted for lines
32. setting and returns to the Settings screen 7 4 3 1 1 2 Next DTMF digit Settings Screen DTMF Hold 500msec 500ms dwn up back The 100 100 stands for 100ms DTMF tone and 100ms spacing before the next DTMF tone is transmitted These settings are used primarily when the console is sending a pre programmed string of digits PROGI Go to DTMF On time digit setting screen PROG2 Go to DTMF Inter digit setting screen PROG3 Go to DTMF second screen PROG4 Return to Tone Settings Screen 7 4 3 1 1 2 1 Tone Duration DTMF 100 100 On Off next back This parameter determines how many milliseconds the DTMF tone of a pre stored digit will last The first number in the 100 100 represents the number of on milliseconds PROGI Resets duration setting to default of 100ms 2 Decrements the duration setting by 10ms min of 10ms PROG3 Increments the duration setting by 10ms max of 500ms PROG4 Saves the duration and returns to the DTMF Settings screen 7 4 3 1 1 2 2 Tone Spacing DTMF Dur 100 msec 100ms dwn up back This parameter determines how many milliseconds after the last DTMF tone is finished before the next DTMF tone of a prestored string will start The second number in the 100 100 represents the number of spacing milliseconds PROGI Resets duration setting to default of 100ms 2 Decrements the duration setting
33. the LAM light will flash after the triggering signal disappears PROG Resets duration setting to default of 7 seconds LAM1 S Duration 7se PROG2 Increments the time setting by 1 second maximum of 25sec 7sec dwn up back PROG3 Decrements the time setting by 1 second minimum of Osec S aum PROGA Saves the current duration setting and returns to the LAM ERED Programming Screen 7 3 1 2 2 LAM Trigger Level Screen These parameters determine the audio level required to trigger the LAM function PROGI Adjusts level at which the LAM triggers LAM1 U Level 10 2 Increments the level setting by 1 dBm max of 0dBm PROG3 Decrements the level setting by 1 dBm min of 30dBm 10dB dwn back PROG4 Saves the current level setting and returns to the LAM 2 3 PROG4 Programming Screen 7 3 1 3 Mute Button Level Screen These parameters are used to set the level of Mute on a Per line bases Mutel Level 10dB Sets level of mute to off total quite OFF edit back PROG3 Go to Edit level screen PROG4 Return to Level Menu Screen PROG2 Giese Remote Control Console 17 7 3 1 3 1 Mute Button Level Screen These parameters determine the level of Mute on a Per line bases Mute Level 10dB PROG Resets level setting to d
34. user interface features Two stereo Digital to Analog Converter DAC is utilized to generate audio for transmission handset sidetone and receive audio Two stereo Analog to Digital Converter ADC on the main board digitizes audio from the line microphones and the auxiliary interface All audio detection generation and filtering are performed within the DSP Seven potentiometers are available for I O signal level adjustment in addition to the software level control 5 1 1 1 Line Interface The Line Interface is an 8 pin RJ 45 connector using either the standard tone control format compatible with Motorola and M A ComNet Ericsson GE or Local Control relay closure The line interface may be hardware configured for either two wire or four wire operation and may be factory modified to accommodate non industry standard tone control formats if desired This is usually a software only change 5 1 2 Keypad PCB The Keypad board is interfaced to the main board via a 40 pin ribbon cable The Keypad board contains the LED s the entire key map matrix and the panel microphone The driver circuitry for each component is located on the Main PCB 5 1 3 Display A Vacuum Florescent LCD display provides channel numeric indication clock and audio level meter The display is mounted to the front panel and is connected via a 14 pin IDC cable assembly Remote Control Console 11 6 Theory of Operation The C 2002 is a Digital Signal Processor DSP based
35. 0805 72341140 C166 C127 C128 C169 C56 C54 C172 C172 6 10 0180 0805 102881126 35 C37 C39 C41 7 13 TANT B 102877021 38 C40 C34 5 6 UO CU CHTCHCUFCHTOWUR C74 C30 C139 C144 C60 C148 C153 C79 C94 12 CAP TUE 0805 102881 150 44 46 jJO47UF 1210 102881445 C45 C47 C43C31 7 1 1 _______0 047 0805 10888449 caP 6 0603 102879805 12 220 0 05 102881103 C62 C155 C57 C156 C7Z2 C71 C48 C29 C55 C126 C129 C132 C133 C134 6 CAP 1UF 0805 102881875 59 C158 C159 C167 C168 C25 C135 C70 C52 C91 C95 C96 C97 C98 C99 C100 C101 C102 C103 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C124 C136 C137 C146 C157 C160 14 40 CAP a 0805 72341121 161 C163 C164 C165 C81 C82 15 ________ TANT 102877065 C9 C10 C18 C19 C27 C33 C130 162 16 125 RED 58680000 17 2 DIODE SMD4004 160164815 09203 _____________________ BTS BT ETS OTT 05 D6 D7 08 09 010 D11 012 013 014 015 19 DIODE 58711000 D17 018 019 020 021 022 023 LFUSE 1 5 AMP 7101051 F1 20 8JFUSE 1250 710109 sacs F8 F9 F12 F13 19 20 i21 8 FUSE SIDACTOR P3100SB 7101082 4 F5 F6 F7 F14 F16 F17 F18 FB1 FB2 FB7 FB8 FB9 FB10 FB11 FB12 FB13 FB20 FB21 FB22 FB23 FB24 FB25 FB26 FB27 FB28 FB29 FB30 FB32 FB33 FB3 FB4 FB5 FB6 22 29 FERRITE FERRITE 0805 723511
36. 1 Console 2 Console 3 Line 1 Line 1 Line 1 12345678 12345678 12345678 Line gt Line Figure 6 Supervisor Function Example The Supervisor Function enables a console such as the C 2002 which has the capability to drive this line to disable all units on a particular line This includes both PTT and RX audio Its connection is similar to that of the crossmute function By wiring alone it is possible to setup only specific consoles with this feature Figure 6 shows the connection scheme required to utilize this function Pin 2 of all consoles are connected together In addition Pin 8 is also connected together on all consoles serving as a common ground for all consoles Assuming that console 1 has supervisory capability when activated Line 1 on parallel consoles 2 and 3 would then be inhibited from both Transmit and Receive 4 2 3 Relay Contact Closure For Local Control The relay is normally open and provides a dry contact closure during PTT functions between pins 7 and 8 of the line jack The relay closure can carry 500mA at 12VDC or 250mA at 115 When using the intercom function the relay is not activated If this relay closure is used for local control or any other case where tone bursts are not used for signaling disabling the tone generation is recommended by entering the setup mode 4 2 4 Two Wire Four Wire Mode The C 2002 comes standard with a j
37. 1 1 Alphanumeric L1 F9 7 5 1 1 Alphanumeric L1 F10 7 5 1 1 Alphanumeric L1 F11 7 5 1 1 Alphanumeric L1 F12 7 5 1 1 Alphanumeric L1 F13 7 5 1 1 Alphanumeric L1 F14 7 5 1 1 Alphanumeric L1 F15 7 5 1 1 Alphanumeric L1 F16 7 5 1 1 Alphanumeric 12 1 7 5 1 1 Alphanumeric L2 F2 7 5 1 1 Alphanumeric L2 F3 7 5 1 1 Alphanumeric L2 F4 7 5 1 1 Alphanumeric L2 F5 7 5 1 1 Alphanumeric L2 F6 7 5 1 1 Alphanumeric L2 F7 7 5 1 1 Alphanumeric L2 F8 7 5 1 1 Alphanumeric L2 F9 7 5 1 1 Alphanumeric L2 F10 7 5 1 1 Alphanumeric L2 F11 7 5 1 1 Alphanumeric L2 F12 7 5 1 1 Alphanumeric L2 F13 7 5 1 1 Alphanumeric L2 F14 7 5 1 1 Alphanumeric L2 F15 7 5 1 1 Alphanumeric L2 F16 Section Parameter Default Programmed 7 8 1 F1 Enable Disable Enable 7 8 2 F1 A Frequency 1950HZ 7 8 4 F1 A Duration 40 msec 7 8 1 F2 Enable Disable Enable 7 8 2 F2 A Frequency 1850HZ 7 8 4 F2 A Duration 40 msec 7 8 1 F3 Enable Disable Enable Remote Control Console 33 7 6 2 F3 A Frequency 1750HZ 7 8 4 F3 A Duration 40 msec 7 8 1 F4 Enable Disable Enable 7 8 2 F4 A Frequency 1650HZ 7 8 4 F4 A Duration 40 msec 7 8 1 F5 Enable Disable Enable 7 6 2 F5 A Frequency 1550HZ 7 8 4 F5 A Duration 40 msec 7 8 1 F6 Enable Disable Enable 7 8 2 F6 A Frequency 1450HZ 7 8 4 F6 A Duration 40 msec 7 8 1 F7 Enable Disable Enable 7 8
38. 1 2 by potentiometers R125 R143 Each Transit audio path is 600 Ohm transformer coupled T1 T4 and engaged during PTT by a relay contact closure K4 K6 Transmit audio can be found on connectors J11 J27 pins 4 TX and 5 TX HANDSET SIDETONE Handset sidetone is taken from U10 pin 5 and filtered The output goes to an inverting op amp stage and is coupled through 0 1uF cap and 150 ohm resistor The sidetone level can be measured at 10 For complete schematic details refer to Section 10 the Specifications section 6 3 Line Receive Paths Line One Two Receive audio input can be found on the Line input connectors J11 J27 pins 3 RX and 6 RX The receive audio will pass through lightning protection and filtering before reaching a 10K transformer T2 T3 The receive audio path can be loaded to 600 Ohms by placing jumper J17 J25 in the A position Following the transformer stage is a gain stage Potentiometers R153 R161 can be used to set receive audio levels at the ADC This level can be measured at test points TP11 TP12 Finally receive audio is sampled at U13 pin 8 pin5 12 Vega s C 2002 6 4 System Clock Generation The system clock is derived from a single 32 7680MHz Crystal Oscillator Y1 The ADSP2189 DSP U1 processor uses this clock to generate a 65 536MHz internal instruction clock rate The system clock is routed to the Altera EPM7032AE44 PLD 05 and divided into the signals necessary for audio proces
39. 2 7 Frequency 1350HZ 7 8 4 F7 A Duration 40 msec 7 8 1 F8 Enable Disable Enable 7 6 2 F8 A Frequency 1250HZ 7 8 4 F8 A Duration 40 msec 7 8 1 F9 Enable Disable Enable 7 8 2 F9 A Frequency 1150HZ 7 8 4 F9 A Duration 40 msec 7 8 1 F10 Enable Disable Enable 7 8 2 F10 A Frequency 1050HZ 7 8 4 F10 A Duration 40 msec 7 8 1 F11 Enable Disable Enable 7 8 2 11 Frequency 1950HZ 7 8 4 F11 A Duration 40 msec 7 8 1 F12 Enable Disable Enable 1 8 2 F12 A Frequency 1850HZ 7 8 4 F12 A Duration 40 msec 7 8 1 F13 Enable Disable Enable 7 8 2 F13 A Frequency 1750HZ 7 8 4 F13 A Duration 40 msec 7 8 1 F14 Enable Disable Enable 7 8 2 F14 A Frequency 1650HZ 7 8 4 F14 A Duration 40 msec Section Parameter Default Programmed 7 8 1 F15 Enable Disable Enable 7 8 2 F15 A Frequency 1550HZ 7 8 4 F15 A Duration 40 msec 7 8 1 F16 Enable Disable Enable 7 8 2 F16 A Frequency 1450HZ 7 8 4 F16 A Duration 40 msec 7 8 5 Dual Function Tone mode OFF 7 9 Supervisor Enable Disabled 7 10 Mute Button MON TIMED Momentary Momentary Timed Sec TuS DTMF Incoming Select Call Empty 7 10 Alert Tone 1 Frequency 1000HZ 34 Vega s C 2002 7 10 Alert Tone Level Odbm 7 10 Alert Tone 2 Frequency 1000HZ 7 10 Alert Tone 2 Level Odbm 7 11 1 Monitor Tone Auto Manual Manual 7 11 1 1 Monitor Frequency 2050HZ 7 11 1 2 Monitor Duration 40 msec 7 11 1 3 Monitor Level Odbm 8 Technical Documentation 8 1 C 2002 Main Board
40. 5 PART NO a proprietary product of TELEX Lincoln NE and Telex Communications INC shall not be released disclosed nor duplicated 8 79583 without the written permission of TELEX Lincoln Nebraska USA APPROVALS DR BY SBC CHKD BY APPD BY PROD REV LEVEL 3 DATE 03 04 2002 PCB ASSY C 2002 MAIN BOARD C2002 Hw Revision History doc APPD S i E Ea mE E Z EN E T 2 z T pm LN BE PAGE 1 OF 5 This drawing written description or specification 15 7 PART NO proprietary product of TELEX Lincoln NE and Telex Communications INC shall not be released disclosed nor duplicated 879583 without the written permission of TELEX Lincoln Nebraska USA DR BY SBC CHKD BY APPD BY PROD REV LEVEL 3 DATE 03 04 2002 PCB ASSY C 2002 MAIN BOARD DESCRIPTION PART PARTNO DESIGNATOR 1 1 BATTERY 3V LEADED 3 B1 C1 C2 C3 C4 C5 C6 C7 C8 C11 C12 C13 C14 C15 C16 C17 C20 C21 C22 C23 C24 C26 C28 C32 C50 C53 C58 C63 C64 C65 C66 C67 C69 C73 C80 C83 C84 C85 C86 C87 C88 C89 C104 C105 C106 C12 51 0 1UF 0805 102881186 C131 C138 C145 C147 C154 C170 1000uF ELEC 518215266125 cap SIS EST ETS OTC OP C90 C75 C61 C149 C150 C151 C152 C77 4 16 120 0805 102881100 C92 C78 C76 C93 C140 C141 C142 5 J 11800
41. 7 RELEASED SCALE SHEET 1 OF 8 REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 7 0 7 3 E REVISIONS CHG NO LTR DESCRIFTION DATE This drawing written description ar specification represents n prapriatary product of TELEX TELEX 3 3V 12 i UA7BOSCKTE pu 9 03 N OUT VSENSE1 8 TPS70158 O 2 TD 10uF RESET U7 10V UA7B10CKTE OUT 5 aa 2 o9 SPEAKER AMP 5 5V C48 155 SPEAKER POWPLUG C135 w 2PIN LOCKING Oy J FOBTSW C172 18 DOpF 189 10k TELEX COMMUNICATIONS INC Lincoln Nebraska U S A DRAWN DATED sec 07 12 02 VECA C 2002 2 LINE CONSOLE 770777 RELEASED DATED REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 SCALE 1800 pF C173 J AUXAUDIG 770777 5V REVISIONS C40 3 3uF This drawing written description ar specification LINET X C55 R41 u C29 DESCRIPTION t iat duct of TELEX Lincoln NE dnd gall not disclosed C41 2562 z C28 10 1 nar duplicated without the written permission of TELEX 0 01BuF vso C58 1800pF N 1 LINE2TX V C132 uF Rape 2208 s 4 C39 562 els ae 0 01BuF 255 pz SPEAKER S R35 C36 3 3uF 25 GL GS jaar a 5 C161 47 0 01B
42. 7 and 8 of the Line connector can be used as a form C closure relay for local control Pins 7 and 8 form the closure during any PTT operation An internal resistor makes an external connection to ground un necessary and can be removed to remove ground from the closure path Auxiliary Audio Input The external 6 pin terminal block provides an Audio Input 1 PTT 2 and GND 6 line Pulling PTT to ground activates the Audio Input line for transmitting audio from an external source This input is a high impedance capacitance coupled input Auxiliary Speaker Pin 1 of the AUX Port is a capacitance coupled low impedance output that can be used to drive an external speaker amplifier Output level is controlled by the front panel volume control 1 Cross Mute 2 Supervisor I O 3 RX 4 TX RX 2W 5 TX RX 2W 6 7 8 RX Local GND Local 1 RX Audio 2 3 12 4 Aux Audio In 5 Earth GND 6 Sig GND Rear Panel Connector Pinouts Figure 3 Rear Panel Pinout Battery backup The 12V power input on the AUX Port is used for battery backup and is a diode protected input Earth Ground The Earth ground connection on the AUX Port MUST be connected for proper operation It provides a path for any external noise to be shunted to Data port This port is a 0 to 10V asynchronous port used for cloning one C 2002 to another The cable is not supplied but the connector is To connect two units RX on one console should
43. AC The following is a list of the potentiometers that affect the transmit path Reference Description R125 Line 1 TX Output Level Adjustment R123 Line 1 TX Monitor Level Adjustment R143 Line 2 TX Output Level Adjustment R162 Line 2 TX Monitor Level Adjustment R196 Desk Microphone Adjustment MIC INPUT LEVEL ADJUST Care should be taken to avoid overdriving the input TX circuitry as this will distort the audio Make sure you have enabled the desired Microphone connection in setup mode Saying and holding the word Four is good audio level test vocalization Use a strong tone of voice When adjusting the Desk Microphone audio input level make sure that the Desk Microphone is at the normal distance from the operator when setting the level Connect a oscilloscope to Test point TP13 and adjust R196 to approximately 3 5Vp p TX OUTPUT LEVEL ADJUST The transmit level potentiometer is used to adjust the output level of the transmit audio so that it is calibrated with the tone levels that were set in setup mode Calibration of the TX line will vary depending on system variables as well as the number of consoles found in parallel on the line A easy way to align the console for the correct level is to press and hold the PTT key While the console is keyed up the unit will by default generate a Hold tone at 204 A meter reading dbm can then be used and R125 Line 1 or R143 Line 2 adjusted to read the correct value 4 3 2 Transmi
44. E CONTRO EE 5 LINE SETUP AND DESCRIPTION snos 6 4 1 6 4 2 FEATURE DESCRIPTION E ete Sali Sake ee oe DERE 6 4 2 1 ecg Oba eT D RON M 6 4 2 2 Supervisor FUNGON ze cs eed Re EUR 7 4 2 3 Relay Contact Closure For Local Control 7 4 2 4 Two Wire Four Wire Mode iiccccccccccssesccccccccccsssscececccccssscsecccccccssuseseecccessussseccesecesseauuaesecssesesaueaecceseseusanens 7 4 2 5 RX Side Settings it 7 4 2 6 TX Side Set nbs os Ae et ended Ree eh te t ee eue 8 4 2 7 Transmit E etlam e eU eue eode 8 4 3 855 9 4 3 1 Transmit Side Adjustments ag ee cte ere ab eie e engen ROTE 9 4 3 2 Transmit Monitor Set p e a o reet e RT Er tr HER 9 4 3 3 RX Level Adjustment ois test Sad Nees hits ee te eU cb te ee ee a ak 9 HARDWARE OVERVIEW io sao poe kn 10 5
45. EX COMMUNICATIONS INC Lincoln Nebraska U S A Sz zm EN o o ox ajl ay TITLE QUALITY CONTROL RELEASED CODE SIZE DRAWING NO REV SCALE SHEET OF 00 ZZ This drawing written description or specification 15 PART NO proprietary product of TELEX Lincoln NE and Telex Communications INC shall not be released disclosed nor duplicated Communications NC 8 79 5 7 3 without the written permission of TELEX Lincoln Nebraska USA APPROVALS DR BY SBC CHKD BY SBC APPD BY PROD REV LEVEL DATE 01 24 02 DATE 01 24 02 me PCB ASSY BNSF RDC KEYPAD BOARD DESCRIPTION PART DESIGNATOR D1 D2 D3 D4 D5 D6 07 08 09 D10 D11 012 013 014 D15 016 D17 018 019 D20 LED 1206 SMT LED RED 760317 021 CONN SMT PCB MOUNT 40 PIN HEADER 6401321 J1 PANELMIC ELECTRET MIC 2490247 J2 PCB PRINTED CIRCUIT BOARD 750598 REFERENCE SCHEMATIC PASTE SOLDERPASTE BE738 LN BE Page 2 of 4 rt poy el ID Telex Communications Inc Ba Nebraska USA 8 9973 PCB ASSY BNSF RDC KEYPAD BOARD SE 750598 1 E s
46. I Toggle the Cross Mute function ON and OFF Line CrMute PROG3 Move to the next menu Tgl next back PROGA returns to the opening Menu Screen PROGID 2 ROGI ROGA 7 6 4 Squelch Setup The Squelch function can be turned on per line basis It is tied to the level setup by the LAM function If the LAM LED is blinking squelch will not be active If the audio present on the line is below that required to generate a LAM indication and squelch is enabled no audio will be heard PROGI Toggle the Squelch function ON and OFF Line 2 Squelch ON PROG3 Move to the next menu Tgl next back PROG4 returns to the opening Menu Screen 7 6 5 TX Monitor Enable Disable The TX monitor allows the operator to listen to what is currently being transmitted In a 4 wire mode this allows one console operator to monitor what is being said by another console operator The other operator could be in the same room or a greater distance away Line 1 Txmon ON Tgl next back Remote Control Console 27 PROGI Toggles TXmon on and off PROG3 Move to the next menu PROG4 Saves the setting and returns to the Line Level screen 7 6 6 Automatic Gain Control AGC Enable Disable The Line Automatic Gain Control helps to equalize receive audio for all incoming levels Line 1 AGC ON PROGI Toggles AGC on and off Tgl next PROG3 Move to the next menu PROG4 Saves the se
47. P N 879583 8 1 1 Schematic 8 1 2 Bill of Material component layout 8 2 C 2002 Keypad Board P N 879573 8 2 1 Schematic 8 2 2 Bill of Material component layout 8 3 C 2002 Top Assembly P N 879592 RE VISIONS CHG NO LTR DESCRIPTION DATE 2207277 This drawing written description ar specification EEPROM represents 0 prapristary product of TELEX R33 Lincoln and shall released disclosed tar ilo cd EN ALGO 131 gt 0100 231 Ll 6pF ase P 5 POWER LED 12 XTAL32768K R1 NN 4 1 3K RU ANA S 8124016 23 10K 5 K VN MEL 229 2 T7827 5 71 18226 04 568 056 3 N 3VOSUIL LL a ar 7 09 3 3 3V 42 5V DSP2189M T 02 28 25 Zo 0 DNP R219 47 no pos RD 010 Ara R220 47 17 1g 01215 21 0191 3 3V RESET gt RESET LD R218 gt 250 gt TO 222 R217 47 09 Je e D TuF 47 R156 MCLK 75 0 13 271020 LRELK BFF 47 R26 gt R27 47 LRCLK gt 47 R28 L gt 47 gt R135 47 TELEX COMMUNICATIONS INC ed Lincoln Nebraska U S A N VEGA R21 a o i __ _______ 2002 2 LINE CONSOLE DACZ gt _ i Z3 090
48. QUT gt QUALITY CONTROL RELEASED REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 ae SBC D m DRAWING NO SHEET 7 OF 8 DESCRIPTION JADA LT This drawing written description ar specification represents n praprigtary product of TELEX C136 I ME Lincoln NE and shall be released disclosed nar duplicated without the written permission of 47 pF 925 TP12 1 RIB Cl 100K R157 R159 o 4 166 10K 3 E R160 a 4 VR5 LINE2RX g 10K C137 47pF 47 R178 1 7162 C159 10 100K T R180 dul 6 4 35 oe 8179 Local R169 1 KUTE Nsw rH PR ETT DE NR 5 E 04053 luF m R113 ee PZ Loc aL 10K VN 220pF 500 RJ PIN lt J4 V lt TXMON2_MUTE 143 1 R176 R208 s LINE2TX gt 7 ira 20K VRS 1388 n 600 ot eos Q 3 126 10K VR5 3 4 R167 032 10K 3 3V KMUTE2_BUT gt TELEX COMMUNICATIONS INC V Lincoln Nebraska U S A SBC VEGA Po ee 0072 3X LNE INO OLE a a KMUTE2_IN DRAWN SUP2 IN DRAWING NO 5775 RELEASED DATED REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 SCALE SHEET 8 OF 8 SUP2 DUT gt This drawing written description or specification 1
49. TPLCC 32PLCC 53903003214 SOCKET 84 1 SOCKETPLCC 44PINPLCC 539030044 USSOCKET 8 JUAZ805CKTE 176066 86 112 780 76027507 97058 7065 88 2 C CS4335 760263U9U10 89 1 XTAL32768K X 405 32768 7 7801477 90X 1 PCB X j PRINTEDCIRCUITBOARD 7565 21 AR 921 OIRELERENCE SCHEMATIC 93 12 JUMPER UMPERCAP 2515001001 FORJ10J25 26 J4 J15 J16 J17 J18 J19 1221232 12 223 224 225 226 227 228 229 R230 231 R232 R233 R234 R235 R236 R237 R238 R239 R240 R241 R242 R243 R244 R245 EH 47 0402 eo R246 R247 R248 R249 R250 R251 LN BE Page 4 of 5 This drawing written description or specification represents proprietary product of TELEX Telex Communications Inc PART NO sags 8 9983 am ASSY C 2002 MAIN BOARD os e 2 7 CERETI 2 a eu E 8 BEEN 158 R179 R159 E 2 E z z z z z z 2 R162 a 5 2 z L BC 5 goa 292 Li 2 Bz 5 5 a S 081 02 LSI gt 8414 037
50. aa ese 28 7 8 1 Function Tone nene den ete eI er eene er 28 7 8 2 Function Tone Setups i oae e e e d ERA ats A EES 26 7 8 3 Frequency Programming Screen i ded ettet e tane id 26 7 8 4 Duration Display Screen usa i pna tee Re UEM qe 28 7 8 5 Dual Function Tone mode Screen 29 7 9 SUPERVISOR ENABLED coy a eed oem re c EE ese oo iet ote ieget 29 AIO ALERT PROGRAMMING eb op Diete e rit De nit eed 29 7 10 1 Cadence Level 29 7 10 2 Cadence Frequency Selection eee eene eene trennen een eene ener entente etre nen 29 7 11 MONITOR PROGRAMMING 30 7 11 1 Monitor Characteristic Selection eese esses 30 TET E Monitor Frequency a a obe ote 30 7 11 1 2 Monitor Duration eh oe ce i me D oe ee i ee e eo e meh o et eie tn 8 TECHNICAL DOCUMENTATION isvessssesssssssssoscssesvessecessessnstcosssessanescssesessedesvesatsesnssesescssessesdesestoostsesseceesse 34 8 1 2002 MAIN BOARD P N 879583 34 8 1 1 SChemalle s ates te EE REN SA TRES 34 6 1 2 Bill of Material component layout
51. bsite and the Vega Literature CD PROGI Toggles ANI Decode PROG3 Move to the next menu PROG4 Saves the setting and returns to the Line Level screen 7 7 Mute Button The mute button has two separate modes of operation One is the Latched mode where monitored audio is muted until its toggled again The second mode is the timed mute function in which the monitored audio is muted for a preset amount of time Note Mute button programming is per line and that the mute button can be pressed a second time during a timed mute to end the mute function prematurely MUTE2 1 seconds Latch edit next back 7 7 1 Per line Mute button Setup PROGI Sets the Mute function to Timed or Latch mode PROG2 Allows the duration of the mute function to be changed PROG3 Move to the next menu PROG4 Return to top level menu MUTE1 Latched Timed next back 28 Vega s C 2002 7 7 2 Incoming Select Call DTMF String Setup The C 2002 has the capability of recognizing 3 different incoming DTMF strings on any line monitored or not When this programmable string is decoded the unit will Un mute the line for a programmable period of time see Select Call Timer Duration Setup to allow the remote user the opportunity to make a short transmission which the console operator can monitor After the programmable period of unselect time has expired the Unselect LED Red led for t
52. c indication clock and audio level meter 2 1 1 Common Controls and Indicators VU Meter Displays Selected receive and Microphone audio bus levels This meter is shown on the top line of the display and utilizes the first 12 display elements from the upper left Program 1 4 Are used as soft programming buttons when in the tech mode These buttons will have different functions depending on the action required The bottom line of the display will show their respective functions DTMF Keypad DTMF keypad is used for transmitting DTMF digits selecting frequencies for tone control in tech mode section 6 and entering alphanumeric strings for line function tone combinations Function Buttons F1 F8 When a function tone button is pressed a guard tone and function tone burst is sent out No hold tone is associated with the changing of the function tone When one of the function tones is selected it will light to indicate which function tone is chosen a function tone shall remain selected until the operator changes the setting The console will power up with the last selected line and function tone pair selected Supervisory button The SUP button allows one console operator to disable any other console which is connected to the supervised line The Red LED is on during supervisory and blinking when being supervised Alert button When pressed a alert tone plus key up tones will be sent to all Selected lines Channel button Used to
53. cal Control This screen allows the technician to determine if a line is tone control or local control Ifa line is tone control then a tone burst is transmitted before voice is allowed to drive the line and a hold tone is sent out with the voice to provide a positive key for the remote adapter Ifa line is a local control line then the tone generator is not activated and voice drives the line when the PTT button is pressed The line number of the selected line appears in the top line of the display The example shows that line 2 has been selected The text at the right side of the top line shows which mode the line is programmed with Line 2 Tone PROGI Toggles the line from Tone to Local PROG3 Moves to the next menu Tgl next back PROGA returns to the Opening Menu Screen PROG PROG2 PROG FROGA 7 6 3 Crossmute Setup The crossmute function allows consoles located within the same room to mute the other consoles RX audio while transmitting to prevent feedback See Section 5 on how to connect this feature on the line cards This feature can be turned on and off on a per line basis Disabling crossmute does not disable the input If the crossmute pin is connected and the line is pulled low the console will mute the line The crossmute enable disable function only controls the ability of the console to output crossmute Note Intercom will not work on lines with crossmute enabled 1 2 N PROG
54. change selected line F tone frequency the DTMF keypad ALT button Used as a Alternate or Shift function for F1 8 and Alert tones Remote Control Console 3 Line Buttons LN1 LN2 Three buttons are available for each Line SELect RLS Release and Mute SELect button When the SEL buttons is pressed that line enters the Select mode Select LED The Red LED under each LNx SEL Button indicates if the line is selected for transmit audio RLS button The RLS button is used to release a selected line RLS LED The blinking Red LED under each LNx RLS Button indicates receive audio activity on that line Mute button The Mute button is used if RX audio from that line is not to be monitored in the speaker Mute LED The steady Red LED under each LNx Mute Button indicates if the line is muted from receive audio monitoring A blinking LED indicates a external cross mute Volume Control Adjusts the receive speaker audio and handset earpiece level of the receive inputs of the line interfaces A minimum volume level can be set in tech mode so that the console operator cannot turn the speaker volume to zero When adjusting the level up or down the display shows the selected level on a relative scale Monitor When the Monitor button is pressed a Monitor tone burst is sent out on the selected line The Monitor tone burst consists of a guard tone and function tone of 2050Hz An LED indication lights for the duration of the tone burst Intercom IC When th
55. e Intercom button is pressed and held down the C 2002 shall transmit audio without activating the tone generator Intercom is considered a PTT operation with the tone generator disabled Panel PTT Pushbutton When pressed audio from the panel microphone plus key up tones will be sent to all Selected lines Transmit LED This LED lights when any PTT source is depressed keying up the console It will also blink if a 2175 Hz tone is detected on the selected TX audio lines This would indicate to the operator that another console is currently transmitting on one of the selected channels 2 2 Rear Panel Connections Figure 2 shows drawing of the rear panel of the C 2002 Each of the ports shown is discussed in detail in the following section 2 2 1 Rear Panel Ports Power Jack The left most jack on the C 2002 is the Power Jack The power supply that is included with the unit plugs in to this location It is a standard 2 5mm center positive plug and requires at least 12 to operate correctly 12 POWER 12 LINE AUX DATA LINE on GND 1 PORT PORT 2 Figure 2 Rear Panel Diagram 4 Vega s C 2002 Line Port The C 2002 is equipped with two single line jacks The connector is a standard eight pin RJ 45 The pinout of the connector appears in Figure 3 The numbering of the pins is shown in Figure 3 for reference In addition to the standard RX and TX pin pairs the unit also can be supervised and supports cross mute functions Pins
56. efault of 10db 10 up back PROG2 Increments the level setting by 146 maximum of 10db PROG3 Decrements the level setting by 1db minimum of 30sec E gt eu PROG4 Saves current level setting and returns to the Mute Programming Screen 7 3 2 Main Level Settings PROGI Go to Microphones Screen Main level adjust PROG2 Go to Speaker Level Screen MIC SPKR back PROG3 Go to the Transmit Level Screen ROGI 2 ROGI ROGI PROG4 Return to Opening Menu 7 3 2 1 Microphones Screen Main Mic adjust PROGI Go to Desk microphone Preamp Gain Screen d kh d b k PROG2 Go to Handset Preamp Gain Screen 2 gt aux PROG3 Go to the aux input levels screen ROGI PROG2 PROG3 PROG PROG4 Return to Main Level Settings screen 7 3 2 1 1 Desk microphone Preamp Gain Screen The current setting is shown in the upper right hand corner of the Deskmic level screen This setting is for the pre amp level of the deskmic dwn up back PROGI Resets level setting to default of 04 PROG 2 2 Increments the level setting by 1 dB maximum of 10dB PROG3 Decrements the level setting by 1 dB minimum of 10dB PROG4 Saves the current level setting and returns to the Microphones screen 7 3 2 1 2 Handset Preamp Gain Screen PROG Resets level setting to de
57. eld Programmable Parallel Update Alert tone 15 Memory Dials Programmable squelch control TX Monitor Supervised Control Crossmute hardwire TX and RX notch filters Special features External PTT External Audio Input External DC input Data port for Cloning C 2002 to C 2002 External Speaker Output Panel Microphone Internal tuning via keypad Three Simultaneous Microphones e Handset Headset e Panel Microphone e Desk Microphone Specifications Sequential tone line input and output impedance Two Wire 600 or 10K ohms jumper selectable transformer isolated Four Wire TX Line 600 ohm or 1Meg ohm jumper selectable transformer isolated Four Wire RX Line 600 or 10K ohm jumper selectable transformer isolated Local Control keying Relay rated at 1A at 125Vac 3A at 40Vdc Line Input Level 40 dBm to 10 dBm Adjustable Line Output Level 20 dBm to 10 dBm into a 600 ohm line adjustable high level guard tone only Distortion 3 maximum at full output Hum and Noise 50 dB below operating levels Speaker one 3 in 8 ohm heavy duty Amplifier Power 2W maximum at 3 THD into an 8 ohm load or equivalent Optional Handset Earpiece Level Adjustable level independent of speaker volume controls Audio Frequency Response 61 5dB 300 to 3000 Hz except at the transmit tone notch frequency Tone Frequencies PTT Guard 2175Hz or 2300Hz The monitor and frequency function tones
58. enabled and allows a user who would normally have no access to the setup mode to access and update the clock PROGI Allows editing the minutes and hours Clock 11 19AM 12hr PROG Selects between AM and PM Edit A P 12 24 back PROG3 Selects between 12 and 24 hr time ROGI ROGZ ROGI Roca PROG4 Saves the current settings and returns to the Opening Menu 7 4 1 1 Clock Edit Screen Clock 11 19AM 12hr Go to Hours Settings Screen Hours Mins back PROG3 Go to Minutes Settings Screen 062 0G3 0G4 PROG4 Return to System Settings Screen GED gt e 7 4 1 1 1 Clock Hours Screen PROGI Set Hours to 12 Hours 11 PROG2 Decrease Hours by 1 12 dwn up back PROG3 Increase Hours by 1 PROGA Return to Clock Settings Screen digg GRE eu GED 7 4 1 1 2 Clock Minutes Screen PROGI Set Minutes to 0 Mins 19 PROG2 Decrease Minutes by 1 0 dwn up back PROG3 Increase Minutes by 1 PROG4 Return to Clock Settings Screen EE ep Ee GED Remote Control Console 19 7 42 Dump Function When the dump button on the System Settings Screen is pressed the console assumes the role of the master of the serial bus A DB9 male Working to male null modem cable 3 pin RS 232cable should be used to Please Wait connect the two consoles Cross pins 2 and 3 on the cable and connect pin 5 straight throu
59. ering the TX output level screen allows for setting output levels 7 3 2 3 1 TX Output Level The TX output level is adjusted as shown on the display This is an overall output gain control for the line It can be used to make small adjustments to the line level performance The typical value is 0 dB TX Level OdB PROG Resets level setting to default of OdBm PROG2 Increments the level setting by 1 dBm max of 10dBm OdBm dwn up back PROG3 Decrements the level setting by 1 dBm min of 10dBm ROG PROG PROG3 PROG4 Saves the current level setting and returns to the Line Level Setting screen 7 4 System Settings Screen This menu is entered by selecting PROG2 from the PROGRAMMING MODE menu Once in this mode there are 5 different menus that can be entered Each is brought up sequentially by pressing the PROG3 button labeled next on the display PROGI Clock Set Routines System Settings PROG2 Dump setup memory to another console Clk Dump next back PROG3 Next Menu PROGA Return to Opening Menu 2 PROG 741 Clock Settings Screen The top line of the Clock Settings Screen holds the current time and whether the clock is set for 12 or 24 hour display Note The clock can also be accessed by pressing MUTE F6 C on the keypad This goes directly to the clock setup screen shown at the right This bypasses the PIN number entry if
60. es to the first menu for Unselect audio setup PROGA Return to top level menus TX Delay 300msec 05 dwn up back System Settings Unsel Duplx nxt back Unsel Mute w PTT OFF Tgl back 24 Vega s C 2002 7 4 5 2 Duplex Enable The Duplex mode allows the console operator to hear receive audio while transmitting PROGI Toggle Duplex Mode Enabled Disabled PROG4 Return to Menu 4 7 4 6 Menu 5 System Setup Screen PROGI setup the MicAGC Function PROG3 Next Menu Menu 1 PROG4 Returns to the System Setup Menu 7 4 6 1 MicAGC Function This enables and disables Automatic Gain Control on the Mic Input PROGI Toggle the MicAGC function on and off PROG4 Return to Menu 5 7 4 6 2 Handset installed If a handset or headset is to be used with the unit it must be programmed as such in this location It is required for RX audio routing PROGI Toggle the Handset Yes No PROG4 Return to Menu 5 7 4 7 Menu 6 System Setup Screen PROGI setup the Parallel Console UP Date Function PROG3 Next Menu Menu 1 PROG4 Returns to the System Setup Menu 7 4 7 1 Parallel Console UP Date Function This enables and disables Parallel Console UP Date Function PROGI Toggle the function on and off PROG4 Return to Menu 6 7 5 Alphanumeric Function Line Setup Duplex Enabled Tgl back System Settings MicAGC Hand nxt back
61. ess Chan 05 to set F5 for the selected line Chan 12 to set F12 When both lines are selected any of the above methods will change the F tone for both lines to change only one of the lines F tone when in a group mode simply hold down the desired lines SEL button and perform any of the above methods 3 5 Supervisory control If supervisory control of a line is required simply press the SUP button and all parallel consoles will be locked out from use of this line parallel consoles will display a blinking LED under the SUP button if they select a supervised line When completed simply press the SUP button again to release control of the line now all consoles will have use of the line for transmit 3 6 Sending Alert tones With a line selected simply press the Alert button to generate an alert tone If programmed in tech mode the ALT Alert can be used to generate a different alert tone 3 7 Volume Control Holding down the selected line button and scrolling the volume meter on the display with the UP DOWN volume control button can adjust speaker volume Earpiece audio can be adjusted using the UP DOWN volume control with the handset off hook 6 Vega s C 2002 4 Line Setup and Description 4 1 INTRODUCTION DEFAULTS Cross Mute I O Supervisor I O TX RX 2W TX RX 2W Local GND Local Connector View Figure 4 Line Connector Pin Out The Line
62. fault of 0dB Handset level 2 Increments the level setting by 1 dB max of 10dB dwn up back PROG3 Decrements the level setting by 1 dB min of 10dB PROG 2 PROG3 PROGA PROGA Saves the current level setting and returns to the du em D Microphones screen 7 3 2 1 3 Aux Preamp Gain Screen PROG Resets level setting to default of OdB Aux in level OdB PROG Increments the level setting by 1 dB max of 10dB OdB dwn up back PROG3 Decrements the level setting by 1 dB min of 10dB PROGA Saves the current level setting and returns to the eu e oxi Ge Microphones screen 7 3 2 2 Speaker Level Setting This setting is used to set the minimum volume level that an operator will be allowed to turn the speaker to PROGI Go to Microphones Screen Main level adjust PROG2 Go to Speaker Level Screen MIC SPKR TX back PROG3 Go to the Transmit Level Screen PROG4 Return to Opening Menu 7 3 2 2 1 Minimum Speaker Level Resets level setting to default of 60dB Min Spkr level 60 PROG2 Increments the level setting by 1 dB maximum of OdB 60dB dwn up back 18 Vega s C 2002 PROG3 Decrements the level setting by 1 dB minimum of 60dB PROGA Saves the current level setting and returns to the SPKR menu 7 3 2 3 Output Level Screens Ent
63. gh The master attempts to establish communication oxi ED gt odi with a slave console and begin downloading the contents of the EEPROM resident on the master console Upon successful connection to a slave console the status line will appear on the screen When the download is complete the Master screen returns to the System Settings Screen If the proper acknowledgments are not received the transmission stops and the Dump Error Screen is displayed 7 4 2 1 Dump Error Screen This screen is displayed because an attempt to perform a memory dump was ended unsuccessfully for some reason This stays up until the memory dump is aborted by pressing the back button or is attempted again by pressing the Dump button When the dump is attempted again the display returns to the Dump Screen PROG3 Attempt memory dump again Target Not Found PROGA Return to System Settings Screen Dump back 7 4 3 Menu 2 System Setup Screen ROGI 2 3 ROGI Pressing PROG3 from the system menu yields the following menu PROGI Enters the Tone Settings Screen System Settings PROG2 Enters the AUX In Settings Screen Tone Auxin next back PROG4 Returns to the System Setup Menu PROG2 3 ROGA 7 4 3 1 Tone Settings Screen PROGI Go to DTMF Settings Screen Main tone adjust PROG2 Go to Single Tone Settings Screen DTMF Tone back
64. he line on which the DTMF string was decoded begins to flash and continues to flash until a PTT operation is completed on that line This blinking light serves as a reminder to the console operator that a call was received and needs a response Editing the incoming DTMF sequence is completed from the screen shown The digits are entered with the DTMF keypad and the programmable keys use the D key as save enter function PROGI Enter the Edit Screen PROG2 Selects DTMF decode screen PROG3 Go to the sixth DTMF screen PROGA Return to Tone Settings Screen 78 Function Tone Parameter Screen 7 8 1 Function Tone Enabled Disable DTMF RX1 1234 Edit Num next back Pressing F1 F8 from the main setup screen enters the function tone parameter screen The examples below appear if F8 is pressed PROGI Toggle between the Enabled and Disabled PROG2 Go to the Frequency programming screen PROG3 Go to the Dual Frequency programming screen PROG4 return to Opening Menu Screen 7 8 2 Function Tone Setup F8 Enabled Tgl Tone next back The top line of the display shows selected function number the next item is the actual frequency of the function tone followed by the duration of the tone in milliseconds PROG2 Allows editing of the Frequency of the Function Tone PROG3 Allows editing of the Duration of the Function Tone PROGA Returns to the previous menu 7 8 3 Frequency Programm
65. iated with the alert tone Altering the programming of the Alert key can program the actual alert tones PROGI Pressed on off alert tone 1 Alert Test PROG Pressed on off alert tone 2 1 2 back PROG4 return to the Test Tone Screen ROGI RoG2 3 Roca 7 4 5 2 AUX Input Enable The AUX Input is used to route AUX Audio IN to the selected line when AUX PTT is pulled low otherwise AUX PTT is a footswitch AUX Input Enabled input and MIC audio is routed 1 back PROGI Toggle AUX IN Mode Enabled Disabled PROGL FROGS PROG4 Return to Menu 4 Remote Control Console 7 4 4 Menu 3 System Setup Screen PROGI setup the console PIN number PROG2 setup the Tx delay time Next Menu PROGA Returns to the System Setup Menu 7 4 4 1 PIN Number Entry Entering a PIN number will cause the C 2002 when entering tech mode to prompt for the PIN number If the correct PIN number is entered tech mode is entered If it is not operating mode is resumed This will keep unauthorized modifications from occurring PROGI Begin accepting new PIN PROG2 Clear existing PIN such that none is required PROG4 Return to Menu 3 Pressing New will change the screen to prompt for a PIN number to be entered Only the Buttons 0 9 and A D are valid for this operation The PIN is a 4 digit code will be echoed for each keystroke Entry ends immedia
66. ing Screen F8 F 21250 40 Freq Dur back The frequency programming screen will allow the user to change the value of the displayed function tone PROGI Sets the value back to the default of 1950 Hz PROG2 Decreases the frequency by 1 Hz PROG3 Increases the frequency by 1 Hz PROGA returns to the function tone setup menu 7 8 4 Duration Display Screen F8 Freq 1950 1950 dwn up back The Duration Display Screen shows the duration of the select function tone and displays it on the top line of the display for editing PROGI Sets the value back to the default of 40ms PROG2 Decreases the frequency by 1 ms PROG3 Increases the frequency by 1 ms PROG4 returns to the function tone setup menu F8 Dur 40 40 dwn up back Remote Control Console 29 7 8 5 Dual Function Tone mode Screen The Dual Function Tone screen is used when operating the C 2002 console with a DSP223 in the 99 Frequency decode mode PROGI Toggles between Enable Disabled Dual Tone DISABLED PROG3 Returns to Function tone screen Tgl next back PROG4 Returns to the Opening menu screen 7 9 Supervisor Enable The supervisor function works in a manner similar to crossmute It allows a single console to take control of all selected lines by disabling transmit on all other attached consoles See section 4 2 2 for information on the wiring required t
67. ktop radio control console Its sleek and modern look will compliment any surroundings The C 2002 is a Digital Signal Processor DSP based design allowing easy field programmability using DTMF and soft keypads on the front of the console Unlike other manufacturers equipment no additional software is required to program the C 2002 console Modifications and enhancements can generally be made via a software change only If the user determines they require a special feature enhancement please contact the Vega Sales Department for cost and feasibility Initial Line level adjustments are made via potentiometers allowing for ease of installation Should additional adjustments be required they can be made in the programming mode AGC on receive and microphone audio paths help stabilize line level adjustments The C 2002 s modular design offers control of one base station along with selection of 99 frequencies The line interface offers crossmute capability and squelch control feature eliminating the unwanted noise that is generally associated when monitoring a line The C 2002 will accommodate a desk microphone along with a handset or headset as indicated on the side of the C 2002 console In addition to the external microphone options a built in panel microphone is available by pressing the PTT on the front of the panel When a PTT occurs from any of the three microphones the others will mute so as not to pick up unnecessary ambient noi
68. o support this function This function should only be enabled on consoles on which a supervisory function is appropriate Super Enabled prev next back PROG2 Disables Supervisory Capability PROG3 Enables Supervisory Capability PROGA Return to top level menus 7 10 Alert Programming The following appears if the ALERT button is pressed while the Opening Menu Screen is showing This screen allows the technician to change the cadence of the alert tones PROGI selects between the two alert options Alert 1 dictates which tone cadence will go out with the ALERT button Alert 2 dictates which cadence will go out when the ALT button plus ALRT button is configured as a second alert tone The PROG2 button scrolls through the available cadences PROGI Selects between Alert 1 and Alert 2 PROG2 Selects Hi Lo Warble or Steady Tone Alert 1 1000Hz 1 2 Cad edit back PROG3 Allows editing of the level and frequency for the constant alert tone PROG4 return to the Opening Menu Screen Cadence 1 1s a steady programmable frequency Cadence 2 is a Hi Lo Warble sound 7 10 1 Cadence Level Selection resets the level to the default of OdBm PROG2 decrements the level by 1 dBm PROG3 increments the level by 1 dBm PROG4 return to the Alert setup menu 7 10 2 Cadence Frequency Selection PROGI resets the frequency to the default value of 1000Hz PROG2 decrements the frequency
69. o the Guard tone setting in this case the 10 text The technician shall enter a new setting by way of the DTMF keypad Magnitude limits apply The acceptable range for the tone levels is 30dB to 10dB in 1 dB increments PROGI Adjust Guard tone level Level 10 0 20 PROG2 Adjust Function tone level PROG3 Adjust Hold tone level Guard FTn Hold PROGA Return to Single Tone Settings Screen 2 PROG PROGA DTMF keypad numbers only modify the settings 22 Vega s 2002 7 4 3 1 2 2 Guard Hold Frequencies The top line of this screen shows the frequency of the Guard and Hold tone components of a tone burst In the default example 2175 is the guard and hold tone frequency On this screen the technician is able to use the PROG buttons to select which tone frequency will be used for the Guard and Hold tones of the burst If PROG2 is pressed for example the display cursor shall toggle through frequencies in this case the first 2175 text Eight selectable frequencies are available for the Guard and Hold 2155 2175 2300 2325 2500 2600 2800 and 2970Hz The notch filter is automatically changed to match the Hold tone Grd amp Hld Freq 2175Hz PROG2 Toggles to previous tone frequency PROG3 Toggles to next tone frequency Prev next back PROG4 Return to Tone Settings Screen 7 4 3 1 2 3 Guard Hold Duration s The top line of this
70. p Error Screens iie na tois 7 4 3 Menu 2 System Setup Screen e e pte e SEE ve vere Lone Settings SCIGeTs esee e ERES SERERE ERREUR EE DIME Settings ase ir e ER T D RESI e rr E PUERO NRI P EUR USER TIU 7 4 3 1 1 1 First DTMF Settings Screen ig 7 4 3 1 1 2 Next DTME digit Settings Screen nci oot ret e eO me des eee d Gh 20 7 4 3 1 1 3 Keypad Enable Disable eese E EE 20 7 4 3 1 1 4 Enable Disable PTT tones with DTMF 7 4 3 1 1 5 Select Call Timer Duration Setup gt 7 4 3 1 2 Single Tone Settings sss 5224 7 4 3 1 2 1 Guard Function Hold Level Settings 21 PA3 1 22 Guard Hold Erequernctes eS deca seb ean erra re sS 22 7 4 3 1 2 3 Guard Hold Duration s 7 4 31 3 Test Tone Screens eie a 1 4 5 2 AUX Input Enable ERR FOREVER ERE EC Re ERAT 7 4 4 Menu 3 System Setup Screen TAA PEN Number EM try eite tete tette ere C a Er Re ERIS ER ead ade lata EEA XR a 7 4 4 2 TX Delay 7 4 5 Menu 4 System Setup Screen 7 4 5 1 Unselect Audio Mute d 7 4 5 2 Duplex Enable 7 4 6 Menu 5
71. plays A and pressing 1 a third time displays The fourth column of DTMF keypad buttons provides the following commands The A button acts as a forward button The B button acts as a backspace button The button acts as a space bar button The D button acts as the Enter button 26 Vega s C 2002 7 6 Line Tone Local Screen The Line setup menus allows for the parameters unique to each line to be setup on a per line basis Parameters that can be adjusted by pressing the LN1 LN2 keys from the top level menu include Enable Disabling of the line Tone or Local control Cross Mute Squelch TX Monitor AGC TX Enabled and Unselect Audio Forced The LN1 LN2 keys are active at all times in the menu for example to disable AGC on all lines AGC could be selected on setup then LN2 could immediately be pressed from within the AGC menu eliminating going back and then back through the menus for each line 7 6 1 Enable Disable the Line Disabling a line sets the line so that a user cannot select its audio It would generally be desired to set a line to be disabled if a physical line is not connected to the console If the line is disabled from this menu then the console ignores the line select key PROGI Toggles the line from Enabled to Disabled PROG3 Moves to the next menu Line 2 Enabled PROG4 returns to the Opening Menu Screen Tgl next back 7 6 2 Tone or Lo
72. requency of the monitor function tone is set The programmed frequency is displayed as the first of three numbers The default value is 2050Hz The Up and Down buttons may be used to increment or decrement the frequency in 1Hz increments The DTMF keypad may also be used PROGI resets the frequency to the default value of 2050Hz PROG2 decrements the frequency by 1Hz min freq of 0Hz PROG3 increments the frequency by 1Hz max freq of 3500Hz PROGA return to Monitor Characteristic Screen keypad may be used to program the frequency 7 11 1 2 Monitor Duration Mon Freq 2050 2050H dwn up back The Monitor burst normally consists of a 130ms guard tone and is followed by a 40ms monitor tone In this screen the duration of the monitor function tone is set The programmed duration is displayed in milliseconds as the second of three numbers The default value is 40ms The Up and Down buttons may be used to increment or decrement the duration 10ms increments PROGI resets the duration to the default value of 40ms PROG2 decrements the duration by 10ms minimum of 40ms PROG3 increments the duration 10ms maximum of 500ms PROGA return to Monitor Characteristic Screen 7 11 1 3 Monitor Level Mon Dur 40ms 40ms dwn up back The Monitor burst normally consists of a 130ms guard tone at 10dB and is followed by a 40ms monitor tone at OdB In this screen the level of the monitor
73. screen has two numbers representing the duration of each of the tone components of a tone burst In the default example 130 200 130 is the length in milliseconds that the guard tone is transmitted 200 is the number of milliseconds that the console shall remain in the PTT condition after the PTT signal has been removed This provides a debounce function for the tone burst On this screen the technician 15 able to use the PROG buttons to select which tone duration to modify If PROGI is pressed for example the display cursor shall jump to the Guard tone setting The technician can then enter a new setting by way of the DTMF keypad Magnitude limits apply The acceptable range for the tones is 40 to 500 milliseconds in 10ms increments PROGI Adjust Guard tone duration Duration 130 200 Adjust Hold tone duration Guard Hold back PROG4 return to the Single Tone Settings Screen keypad numbers only modify the settings Ros E gt ED e 7 4 3 1 3 Test Tone Screen This screen allows the technician to control the tone generators on the console to facilitate testing Pressing the PROGI or PROG2 button activates the associated alert tones This tone is transmitted out the line immediately upon the key being pressed and will stop of the button 1s pressed again or change to the other alert tone by pressing the other button This procedure is different from the normal tone function as there is no tone burst or hold tone assoc
74. se during transmission When the handset is enabled and taken off hook the receive audio is transferred to the earpiece The console is normally used in conjunction with a matching Vega 223 Series or equivalent tone remote panel located at the base station The console is compatible with Motorola MA ComNet Ericsson GE and other tone remote control systems employing the industry standard sequential tone control format The console is connected to the mating panels by means of shielded voice grade or better leased or private lines including microwave circuits Metallic or DC continuity is not required 2 Vega s C 2002 2 Controls and Indicators C 2002 Vu Muter 11 08AM Ln1 Fn2 Ln2 Fn8 DDM 202868 p cc DLE lt gt 69090989 ILINE 1 ILINE 2 VOLUME Figure 1 Front Panel Diagram 2 1 Front Panel Figure shows a view of the Front panel The Front panel contains the user I O It features a Volume control intercom and monitor functions panel PTT with indicator built in panel microphone per line Select Release and Mute functions keypad Supervisory Alert Channel and ALT functions used with the F1 F8 Function Tone selection The C 2002 is programmed from the front panel using the four gray soft keys located below the Vacuum Florescent LCD display provides channel numeri
75. sing These signals include the MCLK 2 048MHz SCLK 512kHz LRCLK 8kHz and FS 16kHz frame sync Another signal generate by the PLD is BO U5 28 This signal is used by DSP software to sync the bit frames at start up BO is the inverse of LRCLK 5 31 is a clock signal that is the inverse of SCLK The DSP serial port requires this signal usually called the bit clock 6 5 Non Volatile Memory EEPROM All the system configuration and parameter storage is maintained in the non volatile memory of U3 The serial EEPROM 724 16 has 16kbits of memory The DSP writes and reads to the EEPROM via two of its Flag Pins 6 6 User l O The Keypad and Seven Segment display are the main components to the User I O scheme The DSP controls the I O with a series of register and latches U22 U23 U26 U27 U28 U16 Chip Selects originate from the DSP but are modified to their usable state by the PLD The Chip selects are R CS0 1 read and W CSO 1 2 3 write They are generated by DSP signals RD WR IOMS and address lines A0 A1 A5 6 7 Clone Mode Serial Port The C 2002 can be used to copy the memory contents of one C 2002 to another This is done with the serial data port on the back of the unit J3 The circuitry used is a simple level conversion scheme to take the 3 3Vdc serial data stream from the DSP and convert it to a 10Vdc signal at the port The port can only be used C 2002 to C 2002 A standard 16C550 UART U18 is included in the DSP s memor
76. t Monitor Setup The transmit monitor provides a portion of the transmit audio of a four wire circuit to the receive path This allows the console operator to listen to the transmissions of parallel console operators To set this level have a parallel console operator press the intercom button Adjust R123 Line 1 or R162 Line 2 until the level is comfortable in the handset headset earpiece or the speaker Make sure this feature is enabled or no audio will be passed See Setup Mode 4 3 3 RX Level Adjustment The RX level should be adjusted so that the maximum level coming into the console use the entire range of the ADC which is 0 4V A test tone of 3dBm to 5dBm coming into the line interface is a good value to use Adjust R153 Line 1 so that signal seen on an oscilloscope at Test point TP11 is approximately 3 5Vp p or R161 Line2 so that the signal seen on an oscilloscope at Test point TP12 is approximately 3 5Vp p 10 Vega s C 2002 5 Hardware Overview The C 2002 is a Two line multi mode console designed specifically for small to medium level system requirements All functions are housed in a single small modern looking console 5 1 C 2002 Console The C 2002 consists of the following sub assemblies enclosed in the single case Main Processing Board Keypad PCB and Display 5 11 PCB The Main PCB is mounted to bottom of enclosure using 4 6 screws It contains the DSP that handles all audio processing and
77. tely upon the entry of the fourth digit Once the PIN has been entered the first time the system will prompt for it to be re entered to verify proper entry If the first and second PIN entries match the user will be returned to the PIN Setup screen If the entries do not match an error will be put on the screen and the PIN number will be cleared 7 4 4 2 TX Delay Setup 23 System Settings PIN Txdel next back PIN Setup New Clear back New PIN Enter PIN OK Invalid PIN The C 2002 has the ability to delay transmit audio by up to 1 second This allows an operator to begin speaking as soon as the microphone is keyed up The radio system will have certain delays built in that under normal circumstances would not allow speech to be transmitted for a short period of time By turning on this delay this limitation is overcome PROGI Set the delay to 0 seconds off PROG2 Decrease the delay by 0 1 seconds PROG3 Increase the delay by 0 1 seconds PROGA Returns to Menu 4 and saves the current delay 7 4 5 Menu 4 System Setup Screen PROGI setup the Unselect function PROG2 setup the Duplex function PROG3 Next Menu Menu 1 PROGA Returns to the System Setup Menu 7 4 5 1 Unselect Audio Mute This option is used to Mute all Unselect audio during a PTT operation PROGI Changes the option between Enabled and Disabled PROG3 Mov
78. tial damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you This warranty gives the customer specific legal rights and there may be other rights which vary from state to state Factory Service Center TELEX Communications Inc Vega Signaling Products 8601 East Cornhusker Highway Lincoln Nebraska 68507 Phone 402 465 7026 800 752 7560 Fax 402 467 3279 E mail vega telex com Web www vega signaling com Claims No liability will be accepted for damages directly or indirectly arising from the use of our materials or from any other causes Our liability shall be expressly limited to replacement or repair of defective materials Suggestions or Comments We d appreciate your input Please send us your suggestions or comments concerning this manual by fax 402 467 3279 or e mail them to vega telex com Visit our web site at www vega signaling com Technical Support email address acttechsupport us telex com phone 1 800 898 6723 36 Vega s C 2002 10 Specifications Front panel controls MONITOR INTERCOM PTT button 16 digit keypad Volume control Parallel TX detect LED Frequency Selection Features gt gt gt gt gt gt gt gt gt gt gt gt Programmable Single or Dual function tones 2 or 4 wire per line field Programmable Up to 100 Function tones Simplex full duplex fi
79. tting and returns to the Line Level screen 7 6 7 TX Enable Disable per Line TX can be enabled and disabled on a per line basis This allows some lines to be setup that can be used for monitoring purposes only but cannot be selected for transmission PROGI Toggles TX between Enabled and Disabled Line 1 TX Enabled Move to the next menu Tgl next back PROG4 Saves the setting and returns to the Line Level screen 7 6 8 Forced Unselect of a Line This option is used to lock a channel into a monitor mode Once locked the console operator can select the channel for transmission but mute will be disabled mute the line PROGI Toggles Unselect between Normal and Locked Line 1 Unsel Locked PROG3 Move to the next menu Tgl next back PROG4 Saves the setting and returns to the Line Level screen 7 6 9 DTME ANI Decode Enable This option is used to enable ANI Decode This function is used in conjunction with the DSP223 tone adapter and the Kenwood TK x150 mobile radio The Fleetsync ANI is sent down the line to the C 2002 in DTMF format The DTMF ANI is decoded and displayed For more information refer to the DSP 223 Technical Manual Telex Line 1 Unsel Locked Communications Part Number 803274 Rev D or higher Also refer Tgl next back to application note DSP 223 Tone Remote Panel to Kenwood Series 150 180 Adaptor Kit PN 804136 Both items can be found on the Vega we
80. uF n9 ose C52 DAC2 A7pFc 47pF R31 Eos UP LRCLK OFF FB23 MOS Lo N NZX mst 0 018uF pu W EAR C31 MIC R32 0 47 V RJ4PIN x LINEIRX W amp C30 V P SENSE N 0 01uF Re R165 C y LRELK 5 6K VN C45 Anci R42 0 47 L gt 00 LINEZRX 5 SULK e 4 U34 C aa 5v 5V L V Ges iui PN AUXAUDIO C45 R43 0 47uF 5 X C128 1800pF C44 BSDATA n 4062 gt gt O 01uF SCLK R131 C129 R132 APSET i 3 S C47 3 R44 0474 V 150 C166 1800pF 854053 d TELEX COMMUNICATIONS INC Lincoln Nebraska U S A C167 9 DRAWN DATED A 1k 1 R140 SBC 07 12 02 2 100K 10K CHECKED DATED um C 2002 2 LINE CONSOLE 3 b eins QUALITY CONTROL DATED DRAWING NO 2 REFERENCE PRINTED CIRCUIT BOARD NUMBER 750605 ee SHEET 4 OF RELEASED DATED 8 TU TY 4 eo Z This drawing written description ar specification D4 J7 eH Ne DATE ARED represents n prapriatary product of TELEX EET Lincoln and shall be released disclosed ONES NO 5 nar duplicated without the written permission of TELEX 7 81 4 HEADER a 107 10k 74LCX574 AW 3 3V 74LCX574 1 C
81. umper selectable two or four wire option Note The C 2002 is shipped in the four wire mode Two wire mode is accomplished by the following jumper positions Two Wire Jumper Position Jumper Position Line 118 Line2 JP22 Line 119 Line2 JP23 A Four Wire Jumper Position Jumper Position Line Line2 722 Line 1 19 Line 2 JP23 B The RX pair is now on pins 3 and 6 on the connector and the TX pair is on pins 4 and 5 Once the transmit and receive paths are separated the impedance of each side must be set 4 2 5 RX Side Settings In 4 Wire mode the RX side is jumper selectable for a 600 ohm impedance or 10k ohm impedance If only one console is on the line no parallel consoles then place J17 Line 1 or J25 Line 2 in the A position for a 600 Ohm line impedance If more than one console is on one line then place J17 Line 1 or J25 Line 2 on ONE console in the A position and all other consoles in the B position Each console added to the system will result in line loss The following chart gives an indication as to how much loss can be expected The first console in the system is set for an impedance of 600 ohms out approximately Each console added to the system thereafter is set for an impedance of 10k ohms As the chart indicates on the following page the more consoles bridged on the line the lower the line impedance and the greater the loss in audio level In 2 Wire mode all consoles should have J17 Line 1 or 125
82. vated Setup Modes ist et te ba be e eei 15 7 2 OPENING MENU 15 11 Vega s 2002 7 3 LEVEL MENU S CREEN 7 3 1 Menu I Line Level Settings 7 3 1 1 RX Input Level Screen m 7 3 2 Programming e eR BH E e RE PER E RO EAR nial ease ines 7 3 1 2 1 LAM Duration After Release 400102110 neret 16 7 3 1 2 2 LAM Trigger Level Screen ui 7 3313 Mute Button Level Screens a e e ede e C EI 73 1 3 T Mute Button Level Screens enr tede e REL EH RO D ERR TREE 7 3 2 M in Level Setting 7 38 2 1 7 3 2 1 1 Desk microphone Preamp Gain Screen PEN 7 3 2 1 2 Handset Preamp Gain Screen 7 3 2 1 3 Aux Preamp Gain Screen 7 3 2 2 Speaker Level Setting 7 3 2 2 1 Minimum Speaker Level 7 3 2 3 Output Level Screens EX Output Eevel ees reci tete e TA SYSTEMSETTINGS SCREEN Pe 7 4 1 CLOCK Settings x eA e CERRO n pete Un e 74 1 Clock e eO or fe cove He po Rb e ne ee neo er ete e Doe dea 7 4 1 1 1 Clock Hours Screen 7 4 1 1 2 Clock Minutes Screen 7 4 2 Dump Function 5 ae 4 21 Dum
83. y map The UART levels are converted to standard RS 232C by U20 The C 2002 firmware code can be updated through this port from any Windows 9x or greater PC See the www vega signaling com website for software updates 6 8 Power Regulation and Reset Control Input power is 12Vdc wall mount regulator The input connector 135 is a center positive 2 5mm jack It is connected to protection circuitry consisting of a fuse and dual diodes used to protect the source if auxiliary power is connected to J36 The system DC power requirements are 3 3V and 2 5V U8 for the DSP and 5V U6 10V U7 for the analog circuitry Remote Control Console 13 7 Setup Mode 7 1 Tech Mode The tech mode allows a technician to program the internal settings of the C 2002 console The tech mode is entered by pressing MUTE F6 simultaneously The technician will be required to enter a PIN number to allow entry See the section 7 4 4 1 on setting up the PIN number The Opening Menu is displayed when tech mode is entered In addition to the information on the display you will visual see the MON SEL 1 2 MUTE 1 2 1 8 SUP and the ALERT buttons also flash indicating you are in the tech mode of operation These buttons also provide setup options when pressed refer to sections 7 6 and up for additional information 7 1 1 Erasing all settings All of the settings in the console can be reset to factory defaults by Restore Defaults pressing and holding both IC

Telex C-2002 User's Manual

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