Manual / Guide · 1968
PBX Systems No. 756A: Equipment Diagram and Index — Western Electric ED-65895-10 (1968)
6 pp
Manual / Guide · 1968
6 pp
TABLE A RATINE STD UNLESS SPEOD CIRCUIT SO 65741-01 APP FIG OR FS MTS PLT UNIT NOMENCLATURE L-Q TIE TR8NK ADAPTER & LINE UNIT & 17 1 TABLE A (CONT) EQUIPMENT LOCATION INDEX SLIDE 3,4 L-M CODE NOTE 58829H-( ) LINE UNIT 38 CUT-OFF RELAYS 39 Z-AB TENS SELECTION I PREF UNIT 40 S-H RESISTER CONTROL UNIT 41 TRUNK TENS CONNECTOR UNIT 9 22 11 12 U-Y UNITS SEL, LINE & TRK HUNTING 43 2 £TR REG & SEQUENCE CONTROL UNIT 44 ROUTE CONTROL, CLASS OR SERVICE & DOWN CHECK WIT ±=§-M-0 LINK TEST.SELECT MAGNET & MISC CONT UNIT 10 J,K ADVANCE TIMEOUT & RELEASE & MARKER 2ND TRIAL REG CONTROL AA.AB BARKER ALARM UNIT A-K.N-X 16 17 65742-01 fg" ASM ONLY 20 65746-01 65747-01 22 65750-01 23 65752-01 24 25 5B829J-{ 58829R-( ) 58829S-( ) 5B829W-( ) 58829P-( ) 58829P-( ) 58829M-( ) AA BUSY TONE TRUNK R-AA X-AB TIE TRUNK 28 65757-01 29 66796-01 58829H-( G,H,K,L,T,U,*,X TIE TRUNK PLUG-IN TYPE 227 - 60^ SUPPLY 86464J-( ) 5 - TRANSFER & ALARM 86464F-( ) 5 86808i,-( ) 4 1,2 C-F +48V, DC, +10V AC APPLIQUE 85464K-! J 426 81S00-O1 1.2,34 C-R AC-DC RINGING SUPPLY 86464L-( ) 4 G-H REGISTER CONTROL UNIT 58829H-( ) ASM ONLY 65742-01 4 65942-01 1 POSITION CIRCUIT TIE TRK ADAPTER & LINE 31 AA.AB X-Z 33 58829L-( ) 58829H-( W-i 58829AC-C ) 1,1420 DSS AUX REG LINE 58829AA-( ) 1,14 5S829AB-( ) 1,14 54 67027-01 1 1 u,v TOUCH-TONE RCVR 58844A-( 66902-01 1 2 Y-AgX-AA DIAL CONF TRK UNIT STA CONT 58S29AD-( ) 1,16,17 OIAL CONF TRK UNIT AH CONT 58829AE-( ) 1,16,17 2 AUX C Q TRK 58829AF-( ) 1,14 STA OIAL TRANS 58829AG-1 ) 1,14 66908-01 1 65752-01 2 T-ASX-AA 1 59 66910-01 1 AUX POSITION CIRCUIT 58829AH-( ) 1.14 60 66911-01 1 4 AB BUSY VERIF. AUX TRK UNIT 58829AJ-( ) 1,18 61 65752-01 6 5 AB IND CAMP-ON C 58«29AK-( ) ASM ONLY 13 81719-01 1,23 1 A 81719-01 1,2.3 1 A 64 65746-01 TONE BEN- (404C) FOR PBX TOUCH-TONE CALLING DIAL 5E003-01 66 5E010-01 67 68 69 70 65741-01 71 72 73 81326-02 1 1 3 — — — — 1,2,3,4 — 5E029-CM 1 2 31920- 01 1 1 19,20,21 5E021-01 1,3,4,5,6, 2 AB E/ 58829L-( ) MARKER ALARM 58829H-( ) FUSE PANEL, ALARM/TRAFFIC & TRBL REG UNIT(SEE TABLE B) 58829R-( ) INTERRUPTER 86464C-( ) 35 MFR DISC 81318-01 J-R RECTIFIER 36 MFR 81325-01 C F RINGING & TONE SUPPLY a. '£>? KOD58329ZS- 1 3-Z3-U C*j9. A. T.frCA Cl : O we CO. CL-OO . SM £*\ \ . IV TABLE* ITEMS tStlt ADOCO /V0PS3829C6-3 A.TtTCO.CLO W-e-ceci: d a-*-** W TABU A ITEMS 67,6et NOTE £g ADDED. NDD5S8Z9C6-4 4-7-4*7 AT.4t.co.cc-o A/.f.CIXCI.:DO. " WLy*^ ATtT.CO. CLD WE. CO. cl-dd C-ta-*n '"K.itlsr ITEMS 34 TO 40, 43 TO 4S f3, eS RATlNB WAS STB \JSMS 7o TO 7S t NOTS2 B3 TO 27 A006D"MB0" R££ fles/S ADDED ON TBL 3 fi. 7. 86464AH ) - 86464L-( ) PREWRED CABLE TERMINAL SECTION 5S829AIH INWARD RESTRICTION UNIT 5S829AL-( ' 4 7. CO CC> D ra c<- p p> */ at. aasi^feH 8 20 20 ] 1,21 1,14 ) EXTERNAL TRAFFIC REGISTERS 5S857A-( LINE CUTOFF UNIT PAD CONTROL APPUQUE 58829AR-( 58829AS-( ) 1,14 STATION MESSAGE REGISTER 58929AP-{ ) 1,14 MAKE BUSY- BUSY DISPLAY -96V DC APPLIQUE PWR SUPPLY FOR BATTERY RESERVE 60A/INVERTER, INTERRUPTER 5€829AN-( ) 8S464P-I 86464M-I 36464N-I ) 1,14 ) ) ) ) 14,22 24 25 27 27 ) POS CIRCUIT 81288-01 we £0- 4"-s-&f 1 63 s» 3,**s cusd v-zaas A.T 47 CO. CL'P * /71TM 6*AOO£0, NOTTS/ NPPf>8BZ<)CG-tf 66909-01 TRK && 1,20 ) 66921-01 65757-01 acciea i-ip-e* H0DSSM9Ca-12 TOUCH TONE TRANSLATOR 1 OSS AUX REG LINE 2-22-63 SU 3,443 ssHUMeezep MOM Z.3 f+. SHe APOEB AV 1XBLE A /TTA4S 54 TU9U £%/\OTSS AS TtSUM * TABLE FUSE DESIS AO TO A3 ADDED. 8 2-5 ORISWAL ISSUE IN TABLE A, ITEM 65 < TABLE B, +48V.-96V 8 10V AC SUPPLY MFR DISC 1.2 ) ) 6 55 65 ) 58829T-( 30 DISC ) - 15,19 ) 58824AT-( 3,5,8 34 8S464H-( 1 1 81599-01 62 58829N-( ZO'Xi 4 58 JCTR-QKTS 3,4 65755-01 - 423 56 ) JCTR CKTS 0,1,2 a 5 65756-01 SUPPLY - 81331-01 CABLING DIAGRAM 26 827 81330-01 51 ) R-AA 27 4,26 ) 1 81564-01 57 65754-01 ) 86464G-( ) ) ATTENDANT'S TRUNK 5 86464E-( LOW TONE SUPPLY ) 58829H-( Y-AA ) CAPACITOR PANEL - 86812B-( SEL MAGNET CONN 4,5,1 65753-01 86464B-( G-H - 87205B-( SEL MA6NET CONN 6,7,8,0 J.U 48 VOLT SUPPLY 1 1 LOAD CAP PANEL 15 A-H,K-U,W,X,Ag Q 0. TRUNK 3 4,6 AC-DC RINGING SUPPLY 16 1»?.5 5 RECTIFIER 52 LOUDSPEAKER PAGING TRUNK ) G,H 53 X-AB 864648-( C-F ) OIAL CONFERENCE UNIT TRANSISTOR R & T SUPPLY - J-R ) Z.AA AA.AB 4*6 - - NOTE 1,2,6 58829D-( 65745-01 21 DISC 49 TROUBLE REG UNIT 19 ) - J CODE 1 48 58829E-( FUSE PANEL.ALARM, TRAFFIC & 86464A-C 2 UNIT NOMENCLATURE 4 58829C-( 65744-01 POWER PLANT INTERCONNECTIONS 81577^01 X-BAR SWITCH 4,5,1 DIAL PULSE REG 0,1 B-R 81581-01 X-SAR SWITCH 2,3 A-F 81329-01 45 A-K.N-S 6,7 MTG PLT 1 DISC 81328-01 H1 K2 |l6 |n8 EQUIPMENT LOCATION INDEX SLIDE 1,5,7,8 47 A-K 1,2.3,5, OR FS 46 13 75" APP FIG SO MFR 50 X-BAR SUlTCH 6,7,8,0 CIRCUIT 81326-01 MFR 14 14 RATING STD UNLESS SPECO 42 R-T 11 12 13 1 fc 37 ./ 74 81540-01 1 RECTIFIER 87211A-I ) 75 81719- 01 1,2,3 DIAL TONE GEN.I404C) FOR PBX 86464M-I ) 27 27 TOUCH-TONE CALLING -126 86281A-( ) *26 86464D-( ) 4,26 8 EB-65895-10 1J07 A.T. & T. CO. RATING A.T. e PBX SYSTEMS N0.756A EQUIPMENT DIAGRAM 8 AND INDEX SHEET INDEX ISSUE SH. NO. 1 2 3 ED-6S695-10 7 7 8 4 6 6 5 6 6 & T. CO. STAMBARg 'U. CO. RAttNT STANDARD S" ED-65895-K) 8 Western Electric company, inc. 5 SHEETS, SHEET 1 ™-*»-PS: il-M) OtP. BL. T \ TABLE e SUDE 8 MTG PLT INFO ASdOC WTTH J58829R-2 FUSE PANEL FUSE DESK FUSE POS / PLT ASSOC SLIDE/PLT NOTES' FUSE Y SAB M 23B Y 1AA ATO 76 Z 4N 5Y N 23T Y 6Z AT1 7T Z 4T 5Z P AT2 8B 7T BB 4T 5AA Q Y 5V Y SBD 5J RAO 8T Y 6AB Y 4AA C 9B 9T Y 6Z COO 8T Z. 4T C01 9B z 4T 5B 50 coa C03 C04 C05 C06 CD7 CD8 C09 9T z 4T 5F S 10B z 5J SO 10T 11B 11T 4T 4T z AP2 B BT D E F Z z 24B Y 24T 256 Y 1AA 4. COMMERICAL AC SERVICE - NO BATTERY RESERVE. Y 646 Y 6C 5/ RA1 Y 6F MD J58B29U-( EQUIPMENT REQUIRED FOR BATTERY RESERVE OPERATION, LOCATED IN BATTERY MODULE ), IN ADDITION TO STANDARD COMMERICAL AC SERVICE. RBO 26T Y 4T 6C 6F 6Z 276 Y 3N RCO 27T 28B 28T Y 6C Y 6F Y 3V SQ 12B 12T Y 2F 4T RC1 4T ZS 4U 4V 9. 2H Y 2J 4* 10. WHEN A CDNF UNIT IS INSTALLED, 14T 176 Y 2K 4X Z SBD 6Z SC 17T z SBD 6Y SD 186 z z Y 5V 5V Y 6X SE 18T z Z 2L SF 19B z SBD 1B se SBD T 19T 176 z 1B Y 1AB 16B Y 1W 6S e 16T 21B 21T 14B 14T 156 15T 16B Y 2L 6T Y V 21 6S 5J 6R TO T1 166 Y Y 6AB 6AA Z 2N z 2N ?T T82 24B z 2N Z 3T 24T 256 z 2N 27T 1ST z 2P Y 1W 196 Y 6V L 22T Y 1AA 6AA L2 L3 20B 20T Z 2P 6Z Z 2L 6Z UA 3U . 4Y z 4Y 3U Y m 25T z 2N 2P 266 z 2P 26T 276 z 2P z z 2P L4 216 Z 3L 6Z UB 19T Y 6V L5 21 Z 3L 6Z X 226 Z 4L 6Z Y 20T 206 L7 Z lb 6B z 4L 1A 1A 6Z TTA 22T 6T Y Y Y 6U L6 AO 2T 3T 4T z i A1 A2 A3 5T 2B 3B 4B 5B A4 A5 A6 A7 A8 A9 z 2 Z Z Z Z z z 3T Y 3B Y EXTERNAL EXTERNAL INSTALLED, CHANGE STRAPPING ON TRK HUNTING TERMINAL STRIP ON SLIDE 4 (SEE CAD 7) & DIAL PULSE REG TERM STRIP ON SLIDE 6 (SFE CAD 5). 4AA 236 23T Z z 12. WHEN PLUG-IN RD TIE TRK UNITS ARE 4AA T80 T83 TB4 T85 T86 T87 T88 T89 TR K 17T USE MTG PLT POS -A8-Y AA-X AS REQO TO MINIMIZE THE EFFECT OF INDUCTION FROM POWER FQUIPMENT. SBD T81 IN 11. WHEN TIE TRKS ARE INSTALLED IN SLIDE 3, OPTIONAL STRAPPING ON TIE TRK ADAPTER TERMINAL STRIPS IN SLIDE 2 MUST BE ADDED OR REMOVED AS REQUIRED. S8D Y Y z CABLING DIAGRAMS FOR TIE TRKS & CDNF UNITS ARE SHOWN ON THEIR ASSOCIATED "SD" DRAWINGS. 2F Y Y z WHEN FIRST TRUNK OR CONFERENCE UNIT IS INSTALLED, STRAPPING ON DP REG TERMINAL STRIP IN SLIDE 6, MUST BE CHANGED. SEE CAD 6. Y 10B 10T 16T 228 8. 138 Y JT2 JT3 JT4 JT5 LINE CJROJITS 20-29 MAY BE USED FOR CONNECTING TIE TRUNKS TO THE PBX. THIS CASE THE CJRCUITS ARE NUMBERED 80-69. 13T 146 15B JTO INTER-SLIDE SIRING & CONNECTIONS ON TERMINA1 STRIPS ARE SHOWN ON SD-65746-01. 7. S1 11B 13T JT1 6. S23 S45 S67 S89 SB 15T H 6J RBI FC2 FT J ISSUE 25T 266 R FC1 FA SD-65743-01 IS RATED M.D. & REPLACED BY SD-66796-01. 5J 4N 4N 4N z OPTIONAL EQUIPMENT MOUNTED IN MANUAL P3X SECTION, fiHEN PROVIDED. 6AA 5N 5Q 5S 4N 4N z 12B 12T 13B z 1. 2. 3. SLIDE/PLT 7B AP1 DWG ASSOC. DESIE FUSE POS/PLT A 13. CABINET & SLIDE EQUIPMENT COOES ARE AS FOLLOWS: J58830A-( )- SUMMARIZING SPECIFICATION J58829A-( )- EQUIPMENT & PLUG-IN CABLES J58829B-( )- #1 SLIDE J58829C-( )- #2 SLIDE J58829D-( )- #3 SLIDE J5R829E-( )- #4 SLIDE J58829F-( )- #5 SLIDE J58829G-( )- #6 SLIDE 3V 3V 3V 3V 3V 14. MOUNTED EXTERNAL TO PBX AS DIRECTED BY TEL CO 15. SD-65752-01 FIG 5 SHALL BE INSTALLER WIRED & MOUNTED AS DIRECTED BY TEL CO 16. WHEN CONFERENCE UNIT (STA CONT OR ATT CONT) IS INSTALLED, OPTIONAL STRAPPING ON THE TIE TRUNK AOAPTER TERMINAL STRIP IN SLIDE 2 MUST BE ADDED OR REMOVED AS REQUIRED. 6U IR 6T DSS 28T.B Z Z 6B Y EXTERNAL EXTERNAL EXTERNAL MBD IT Z 2AB 17. ONE KS-16785 L-4 PLUS AT REAR WIRING SIDE 16. ONE KS-16785 L-4 PLUS AT REAS WIRING SIDE OF SLIDE 4, PLATE POS "A8" WILL FACILITATE THE INSTALLATION OF THE BUSY VERIFICATION UNIT. THIS PLUS SHALL BE FITTED WITH A KS-16786 L-4 CONN STRAPPED PER S0-6692O-01 CAD 2 WHEN 19. ONE KS-16689 L-3 PLUS AT REAR WIRING SIDE OF SLIDE 5 PLATES G.K.T, & W WILL FACILITATE THE INSTALLATION OF PLUS-IN CO. TRUNKS. 2C TOUCH-TONE CALLING ON EXISTING PBX'S THE 404C TONE GEN MUST ALSO BE PROVIDED, SEE SD-65746-01 ISS 23. THE FRAMEWORK IS DESIGNED TO ATTACH TO EITHER END OF A 756A PBX THAT IS EQUIPPED WITH SUDE-OFF CROWN COVERS TEL.CO TO DETERMINE WHICH END TO BE EQUPPED. TO BE PROVIDED ONLY WHEN 608 SWBD IS REQUIRED WITH PBX. OF SLIDE 2, PLATE POS "»""x"WILL FACILITATE THE INSTALLATION OF THE DIAL CONF TRK UNIT (STA OR ATT CONTROLLED) BUSY EXTERNAL EXTERNAL VERIFICATION UNIT IS NOT REQUIRED. EXTERNAL EXTERNAL EXTERNAL EXTERNAL EXTERNAL EXTERNAL 21. WHEN PROVIDING J87205BI f ) RECTIFIER IS RATED "MFR DISC" REPLACED WITH KS- 19642 RECTIFIER. BUSY DISPLAY STANDARD UNIT IS ALWAYS PROVIDED PER J58829A-LIST 52 0R530RLATER. BUSY DISPLAY ABM VERSION (FOR FIELD MODIFICATION) SHALL BE MOUNTED ON SLIDE 2 AS NEAR TO THE TOP AS FEASIBLE 25. ONE J86464P-) REQUIRED FOR MAKE BUSY- BUSY DISPLAY MOUNTED ON J86464L FOR BATTERYLESS AND ON J86464A(MD] AND J86464M FOR BATTERY RESERVE. 26 EQUIPMENT REQUIRED FOR 6ATTERY RESERVE OPERATION LOCATED ON SUDE 1 OF LEFT MODULE. 27 EQUIPMENT REQUIRED FOR BATTERY RESERVE OPERATION LOCATED RESERVE MODULE PER J66464M.-I ). ) IN BATTERY 6 EO-65895-10 Z" PBX SYSTEMS N0.756A ED- 65895-10 EQUIPMENT D1ASRAM ED- 65895-10 > Cll. i .. ... , AMD INDEX T~ Western Electric Company, inc. nr nth Mfll > E 6S 5 SHEETS. SHEET 2 r DWG ISSUE MARKER ALARM UNIT, SD-66796-01 APP fIG. 3 AND SO-65741-01 APP RG. 18,19,20,22823 DISPLAY UNIT.SD-5E029-O1 APP FIG.1. FS FIG. 1-9 - FUSE PANAL, ALARM .TRAFFIC 8 TROUBLE REGETERUNIT SO-66796-01, APP RG.4 a df SO- 65744-01 SPARE- _ SPACE FOR JR TTC RECEIVERS LJL MAKE BUSY AND BUSY - , FIG.11.FS REG TERM STRIP SEE CAD 10 (SEE NOTE 6) FOR REGISTERING TRAFFIC 8 TROUBLE STRAP AS REQUIRED '« SPACE FOR MOUNTING DIAL CONF TRK UNIT STA CONT SD-S6902-01 APP RG.1.FS 1-5 ATT CONT SD-66908-01 APP FK3.1, FS 1-4 "MEET ME" CONF SD -65745- 01 FIG.1 (NOTE 8,9,10,16,17) SPACE FOR MOUNTING TIE TRUNK, CONF UNIT ETC. (SEE NOTES 7,8,9) — I* SPARE -TRK TERM, STRIP "C"TRKS 80-89 SEE CAD 16 •TRK TERM. STRIP" D"TRKS 85"89 SEE CAD 16 •TRK TERM. STRIP "D"TRKS 80"84 SEE CAD 16 = ^ 3" *- RECTIFIER TIE TRUNK ADAPTER a LINE UNIT, SD-65741-01 . APP FIG.1 ai7.FS RG 4,13 a 26 AND SD-66796-'01 APP FIG.1 D- = cd- BS DCS M ISC TERM. STRIP SEE CAD TRKTERM STRIP"B" "1 . TRK TERM. STRIP "A" "A"JI TRKS 85~89 SEE CAD 16 "TRK TERM. STRIP "B" -TRK TERM. STIP"A" J TRKS 80-84 SEE WD 16 -LINE TERM. STRIP SEE CAD 3 STA LINE 30-39 BATTERYLESS_ -=4 POWER PLANT "?PARE" WHEN BATTERY RESERVE PLANT !S LINE TERM. STRIP SEE CAD 16 STA LINES 20-29 SEE NOTE 7 CAPACITORS USED -96V SUPPLY 4 X-BAR SWITCH, SD-65741-01- LINE 30 34 LINE 39- -VERTICAL NO. -LINE NO. APR FIG. 14 RINGING 3 - TONE INTERRUPTER 4 LINE 20 404C TONE GEN- -OR <* TRK 80 SLIDE I -VERTICAL NO. — 24 LINE 29- 84 TRK 89 OR -LINE NO. SLIDE 2 6 75S A PBX EQUIPMENT DIAGRAM AND INDEX ED-65895-K) A ectric Company. inc. ED-65895-I0 5 SHEETS, SHEET 3 6S a ;«-« ) ZXf. BL. * DWG ISSUE SPACE FOR BUSY VERIFICATION AUX TRK SD-66911-01 FIG. 1,FS1 (NOTE 18) AB SD- 65754- 01 - 4 BUSY TONE TRUNK- 8 Z TRUNK CONN UNIT, SD-65741-01— APP FIG. 6, FS FIG.4 LZ SPACE FDR MOUNTING TIE TRUNKS CONF UNIT ETC. (SEE NOTES 10811) SMC REL 6,7,8 8 BTTRK SD-65741-01,APPFIG. 16 L> CO TRK HUNTING TERM. STRIP SEE CAD 7 JUNCTOR, SD-65750-01- JTR 3,4 '-G Y TRK TERM. STRIP'A" X TRK TERM 85-89 SEE CAO 16 TRK TERM. STRIP "B"J SEE NOTE 11 SMC SEL MAG CONTROL RELAY SO-65741-01 ,APP fig. 15, FS 13 JTR 2,5 JUNCTOR, SD -65750-01APP FIG.1 X-BAR SW JTR 0,1 1 — 2 4 3 — CO TRKS —f^ 4 SD-65741-01 — 7 5 6 ATT TRK—/ BT 1 2 TRK 7 -VERTICAL NO 9-^= 8 -DP REG—' 0— -CKT NO. APP FIG. 12 - ^8 I X-BAR f WITCH, SO-65741-01, APP FIG. 13 12V_jtr -JTR^ UNE UNIT, SD-65741-01/PP FIG 2 FS FIG 1 8 4 ., 1 . 1 3 -J 4 5, 6 7 9-» 8 on 2 5 ATT TRK VERTICAL NO. ^JTR^ \-JTR ^V-DPREG-/ " •CKT NO. 1 LINE UNIT SO- 65741- 01APP FIG. 2 -LINE TERM.STRIP SEE CAD 3 STA LINES 40-59 FS FIG. 2 VjTR— 5 6 ^-JTR^ **- -CO TRKS 4 5 4 3 6 7 8 -VERTICAL 8 -CKT NO. NO. .. -LINE TERM. STRIP SEE CAD 3 STA UNE 60-79 184 -7 PROVIDED ON 60 LINEPBX ONLY X-BAR SWITCH, SD-65741-01,- APP FIG.13 4 UNE 50 54 -VERTICAL -LINE NO LINE 59- NO. X-BAR SWITCH SD-65741-01 APP FIG 12 4 LINE 70 -VERTICAL NQ LINE 49- LINE 40 LINE NO. LINE 60 74 4 64 -VERTICAL NO. LINE 79- -LINE NO. -VERTICAL NO. -STA LINE NO. SLIDE 4 SLIDE 3 756 A PBX EQUIPMENT DIAGRAM AND INDEX ED-65895-IO WESTERN ELECTRIC COMPANY. INC *********** m*imm » ii < *Mm*mmmim£d 3 5 SEL MAG CONT RFX AA j^jlHritittttiilKl i - r INDICATION OF CAMP-ON CO. TRK — AB SD-65752-01 APP R6. 6,FS 6 SD-65757-01 APP FIG. 13, FS 13 4 AA ATT TRK 2 o ATT TRK 1 D- ATTENDANT TRUNK SD-65753"01— TENS SELECTION AND PREFERENCE UNIT,SD-65741-01, AA APP FIG. 4, FS FIG. 283 _5. 6 , - ATT TRK TERM STRIP SEE CAD 9 L> 1 L^ CO TRK 9 OR RD TIE TRK 1 PART OF POS CKT SD- 65757-01AND TRUNK PATCH UNIT UNITS SELECTION, LINE a TRUNK HUNTING POS CKT l aa chs JUNCTOR REGISTER a SEQUENCE CONTROL UNIT SD-65741-01.APP FIG. 7, FS FIG. 5,6,7 8 8 ar CO TRK 8 OR RD TIE TRK ROUTE CONTROL, CLASS OF SERVICE 8 DOWN CHECK UNIT SD-65741-01, APP FIG. 3 CO TRK 7 FS FIG 9,11,15 CO TRK 6 LINK TEST, SELECT MAGNET 8MBC CONTROL UNIT SD-65741-01, APP FIG. «22 FS FIG. 16,13,21,28 - DT PLUG" IN CO TRUNK, 3L'-65752-01- CO TRK 4 OR RD TIE TRUNK, SD"65756-01 RD TIE TRK OR r— PART OF POS CKT SD" 65757" 01TRANS CKT. SD-S6796-01, APP FIG. 2 AND TRUNK PATCH UNIT A B 3 CO TRK 5 OR * FOR CO TRK TERM. STRIP SEE CAD 6 a NOTE 12 FOR RD TIE TRUNK AD'ANCE, TIME-OUT a RELEASE SEE CAD 1 ON AND MARKER 2ND TRIAL RD TIE TRK CKT — =zr 4 -FOR TRK PATCH B REGISTER CONTROL UNITSD"65741-01,APP FIG. 10 FS FIG. 14,16 CONN TE SEE CAD 8 REGISTER CONTROL UNtTSD-65741-01, APP FIG. 5 RD TIE >RK FS FIG. 4,10 . CO TRK 2 — DP - o DIAL CO TRK DP REG1 PULSE REGISTERS- SD-65742-01 -DIAL PULSE REG TERM. STRIP 1 SEE CAD'5 CO TRUNK, SD-65752-01 CO TRK SUDE 5 n REGO CO TRK TERM STRIP SEE CAD 9 SLIDE 6 J_ 8 756 A PBX EQUIPMENT DIAGRAM ED-65895-I0 AND INDEX ED-65835-IO Western Electric Company, inc. 5 SHEETS, SHEET 5 6S HW-SBU>M ' (-tt ) EXP. BL 8 -JL - L