Schematic · 1977
SD-31141 Step-by-Step Systems No.1/350A Test Circuit for station ringers
Bell SxS office test circuit drawing; example of Bell SD/CD format for SxS.
Schematic · 1977
Bell SxS office test circuit drawing; example of Bell SD/CD format for SxS.
CD DWG CO iSS-JE (SS ISSUE DWG CD ISS ISSUE io-ifrii£-as 2A SHEET ISSUE NO. FIG. CONTENTS SHEET 21 122 I 23 124 I 2S| 2S| 27 128 |29 130 | 31 | 32 |33 INDEX 1 21 22 23 24 25 26 2 21 22 22 24 25 26 SUPPORTING INFORMATION CIRCUIT NOTES (101 TO 140^ 34 | 35| 3fc |37 I 38 139 | 4oUl |42 I 43 I 44! 45 Ufe I 47 |48 I 49 |sO I 51 | 52 I 53 154 Is5 | 56 |57 I 38 |S9 Uolbl giiggsiiimiiiinpiiiiiiiBgiiiigiiiigiiiiB •VO SUPPORTING INFORMATION INDEX (INITIATED ON ISSUE 21) 2A CATEGORY EQUIPMENT NO. INFORMATION 100 7D 5B H0LpjPJl2D ED-30382-01 a«PJ,5B J33021 B-( ) J3302IC-( ) SXS NO. 1 SD-31359-01 INFORMATION NOTES SXS NO. SD-31384-01 350A I8D .60Ap7pD60'7D 70 APP90 20a KEYSHEET DRAWINGS EQUIPMENT NOTES DWG ISSUE CD ISSUE 80 DATE ISSUED .ssJedH^' nrc \ntc FIGURES AND OPTIONS USED TABLE &9 3 PULSE SWITCH 21 22 22 24 24 26 g ■P79-b' A WORKING LIMITS TRIPPING RANGES LEAD 30 *>0 8B SHEET NO. 30 EQPT DESIGN REQTS il J3302I INDEX BSP 814-620-150 21 RINGER TEST CIRCUIT 22 23 ✓ JB W*. 23AR APf?2^R 24 24 24 REGISTER CIRCUIT COMMON TO '*6 6$ GROUP OF RINGER TEST CIRCUITS REGISTER CIRCUIT COMMON TO 7-13-66 GROUP OF RINGER TEST CIRCUITS LT2 DIAL TONE SUPPLY CIRCUIT 5 TROUBLE LAMP CIRCUIT 21 26B TEST AND MAKE BUSY JACK CIRCUIT 9D APP 5B 2-25 HML nTOUCH-TCNE" DIAL TONE DIAL STATION ONLY DIAL TONE CIRCUIT “TOUCH-TONE11 CONNECTING CIRCUIT CKT REQT TABLES P MAGNET TO TA 21 21 21 24 24 24 21 21 21 21 21 23 23 23 26 _MESSAGE REGISTER_ CKT REQT TABLES TA TO LB DIODE 21 26 FOR TESTING RINGERS WHERE DIAL STATIONS ONLY ARE PROVIDED 8 21 SHEET INDEX NOTES FOR TESTING RINGERS WHERE DIAL AND “TOUCH-TONE" STATIONS 1. WHEN CHANGES ARE MADE IN THIS DRAWING. ONLY THOSE SHEETS AFFECTED WILL BE REISSUED. ARE PROVIDED 21 21 CIRCUIT NOTES (141 TO END) 21 21 21 21 2. THIS SHEET INDEX WILL BE REISSUED AND BROUGHT UP TO DATE EACH TIME ANY SHEET OF THE DRAWING IS REISSUED. OR A NEW SHEET IS ADDED. 3. THE ISSUE NUMBER ASSIGNED TO A CHANGED OR NEW SHEET WILL 3E THE SAME ISSUE NUMBER AS THAT OF THE SHEET INDEX. 4. SHEETS THAT ARE NOT CHANGED WILL RETAIN THEIR EXISTING ISSUE NUMBER. 5. THE LAST ISSUE NUMBER OF THE SHEET INDEX IS RECOGNIZED AS THE LATEST ISSUE NUMBER OF THE DRAWING AS A WHOLE. NOT1CE-NOT FOR USE OR DISCLOSURE OUTSIDE THE BELL SYSTEM EXCEPT UNDER WRITTEN AGREEMENT. ISSUE 26£ SD- 31141-01 ID99 ATATCQ STEP BY STEP SYSTEMS STANDARr NO. 1 OR 350A TEST CIRCUIT A&M ONLT FOR 350A FOR TESTING SUBSCRIBER STATION RINGERS AND FOR CONNECTING TO 51 TYPE DIAL TESTER CIRCUIT FOP OFFICES HAVING SELECTIVE SUPERIMPOSED RINGING * _(RING TST SEL R BELL TELEPHONE LABORATORIES I INCORPORATED PR IN TIO IN U R A I 'HI < IO-RII SD-3114I-0H 10 SHEETS PRINTSO IN U R.A 31 CIRCUIT NOTES NO^E 135 101 PROVIDE ONE 1-1/3 AMP FUSE FROM 48V SIG bAT PER CIRCUIT. 121. THE DIFFERENCE BETWEEN THE (TR1) RELAYS IS AS FOLLOWS: (ft)114BT OR IKEA 102. bATTERY FOR THE (TA) AND (Tl_) MESSAGE REGISTERS SHALL bE SEE NOTE 135 TAKEN FROM THE FIRST RINGER TEST CIRCUIT. 103. SEE NOTE 130 & 135 LEADS DESIGNATED C SHALL bE RUN IN A SEPARATE CAbLE. 105. PROVIDE ONE 1-1/3 AMP FUSE PER OFFICE FOR LT2 TONE SUPPLY I 122. CONNECTIONS TO THE DRY bAT. PER KS-6573 SHALL BE MADE SO THAT THE OPEN CKT VOLTAGE WILL NOT EXCEED 21V AND THE CLOSED CIRCUIT VOLTAGE AFTER 10 SECONDS DRAIN WITH 2000 OHMS RE¬ "A" WIRING AND APPARATUS ARE RATED A&M ONLY SUPERSEDED BY Z WIRING AND APPARATUS ON ISSUE 12D. PROVIDE Z WIRING AND APPARATUS FOR USE WITH 900 OHMS OR 1000 OHMS SUb LOOPS WHERE 42A OR INVERTED TYPE RELAY SUb SETS ARE USED. PRIOR TO ISSUE 120 Z WIRING AND APPARATUS WERE NOT SHOWN. 123. SISTANCE CONNECTED IN PARALLEL WITH THE VOLTMETER WILL NOT bE LESS THAN 19 VOLTS. THIS REGULATION IS BASED ON THE USE CF THE 0-60 VOLT SCALE OF A MODEL 230 WESTON VOLTMETER. 1-1/3 LT2 FIG. D OFFICE J_/2 HV_ MR SUP- 10 CIRCUITS 1/2 HV 1/2 HV MR SUP* 105 V i 10 CIRCUITS 10 CIRCUITS WHEN USED IN 4 PARTY SELECTIVE OFFICES USE X WIRING. WHEN USED IN 2 PARTY OFFICES OMIT BAT. PER KS-6573 AND USE L AND Y WIRING. CONNECTIONS TO MR SUP* AND 105* RINGING LEADS ARE THE DIFFERENCE BETWEEN THE (L) RELAYS IS AS FOLLOWS: FIG. 0 r^h5' -=h< 4 7 * ■ ^ THE MANUFACTURE OF V WIRING AND APPARATUS FOR USE IN THIS CIRCUIT HAS BEEN DISCONTINUED. V WIRING AND APPARATUS ARE SUPERSEDED BY W WIRING AND APPARATUS ON ISSUE 4D. PRIOR TO ISSUE 4D, W WIRING AND APPARATUS WERE NOT SHOWN AND V WIRING — - BATTERY SYMBOL VOLTAGE RANGE -48 45-52 MR SUPMR SUP* 105V* _P-200 _ R-200 _ F-200 SEE TRIPPING RANGE TABLE. SH 3 _ *U ♦ f-° * 1 FEATURE OR OPTION QUANTITY T"1-0 125. ALWAYS FURNISHED_ BY THE 206AA SELECTOR AND 26D BANK ON ISSUE 4D. PRIOR TO ISSUE 4D THE 206AA SELECTOR AND 26D BANK WERE NOT SHOWN. REGISTER CIRCUIT CONNECTION TC CEILING LAMP CKT IS ASM ONLY. C LEAD IS NOT USED 2000 1 * L 2500 o 2 DIAL TONE SUPPLY CIRCUIT (REQD WITH 2D OPTION ONLY) FIG. 2 IS FOR A&M ONLY AND IS SUPERSEDED bY FIG. 3 ON ISSUE 5D. PRIOR TO ISSUE 5D. FIG. 3 WAS NOT SHOWN. 126. 112. THE USE OF 44G RESISTOR (H) IN THIS CKT IS FOR A&M ONLY. IT (MfR DISC)IS SUPERSEDED BY 59E RESISTOR UN ISSUE 5D. PRIOR TO ISSUE 5D. 59E RESISTOR WAS NOT SHOWN. THE MANUFACTURE OF FIG. A FOR USE IN THIS CIRCUIT HAS BEEN DISCONTINUED. IT IS SUPERSEDED BY FIG. B ON ISSUE 6b. PRIOR PRIOR TO ISSUE 180 FIGS. 4, 5, & 6 WERE PART OF FIG. 1. 128. THE USE OF RELAYS R153, E545, R1267 AND E654 AND P OPTION IS RATED MFR DISC AND SUPERSEDED BY RELAYS R1351, E572, R1373 AND E199 AND ZA OPTION RESPECTIVELY ON ISSUE 19D. PRIOR TO ISSUE 19D, THE SUPERSEDING RELAYS AND ZA OPTION THE MANUFACTURE OF H WIRING FOR USE IN THIS CIRCUIT HAS BEEN DISCONTINUED. H WIRING IS SUPERSEDED bY K WIRING ON ISSUE 7b. WERE NOT SHOWN. PRIOR TO ISSUE 7b. H WIRING WAS PART OF FIG. 1 AND K WIRING WAS NOT SHOWN. 115. E WIRING AND APPARATUS ARE FOR USE ONLY WHERE TWO PARTY SUB¬ SCRIBER REGISTER TRUNK CIRCUITS PER SD-31431-01. SD-31174-01 OR SD-31132-01 ARE INSTALLED, OTHERWISE USE F WIRING. PRIOR TO ISSUE 8b E WIRING AND APPARATUS WERE NOT SHOWN AND F WIRING WAS NOT DESIGNATED AND WAS PART OF FIG. 1. 116. THE MANUFACTURE OF RELAY 114bT (TR1) FOR USE IN THIS CIRCUIT HAS BEEN DISCONTINUED. 114BT RELAY IS SUPERSEDED bY 114EA RELAY ON ISSUE 9D. PRIOR TO ISSUE 9D. 114EA RELAY WAS NOT 129. SEE NOTE THE USE OF J OPTION IS RATED MFR DISC AND SUPERSEDED BY G OPTION WHICH IS RATED A&M ONLY AND SUPERSEDED BY D OPTION ON ISSUE 19D. PRIOR TO ISSUE 19D, G AND D OPTIONS 1J4 WERE NOT SHOWN. 130. 130. c££ SEE IUTE NOTE 135 131. 131 SHOWN. 117. j (a) WHERE ALL 4 PARTY LINES IN AN AREA ARE EQUIPPED WITH TUBE TYPE SUb SETS, USE b WIRING AND APPARATUS, (b) WHERE ANY 4 PARTY LINES IN AN AREA ARE EQUIPPED WITH 42A. OR INVERTED TYPE RELAY SUb SETS. USE L WIRING. M WIRING THE MANUFACTURE OF 5 TYPE MESSAGE REGISTERS FOR USE IN THIS (Mfft DISC.)CKT HAS BEEN DISCONTINUED. SEE NOTE 126 PROVIDED AND TION IS REQD 131.132C. ZI 139 ZH, ZI FIG. C 139 G.C. G. 0 ZJ 136 ZJ , ZK 136 FIG. 7 ZH OR ZI 126.123. 129.134 OR D 24AC I ZJ OR ZK’. 133 F.ZE. ZG, ZI. ZK 132A.133 F.ZE. ZF, ZI ZK 132B.133 E.ZD ZF.Z ZJ PRELIMI¬ NARY TION IS NOT REQD A & M MD F.ZD. 1 PER CKT ZF.ZI ZJ 115. 132C. 133 115. 132C. 133 WITH AUXILIARY RINGER TEST OF DIAL a TEST CKT IS PROVIDED 13 2A,138 PULSE REPEATER WITHOUT 132B.138 PULSE REPEATER (a) WHERE AN AUXILIARY STATION RINGER TEST CIRCUIT, EQUIP¬ PED WITH A PULSE REPEATER. IS FURNISHED, PROVIDE ZE AND TONE" STATIONS RINGER TEST CIRCUIT FURNISHED PROVIDE ZC, ZD, AND ZF OPTIONS AND FIG. 6. 134. ON ISSUE 20D, THE USE OF G OPTION IN FIG. 3 IS CHANGED FROM A&M ONLY TO “FR DISC. I32C, NETWORK VALUES 133, 139 NETWORK CODE RESISTANCE IN OHMS CAPACITANCE IN UF REQUIRED (c) WHERE AN AUXILIARY STATION RINGER TEST CIRCUIT IS NOT VIDED. ZD. D.6.7 ZF.ZH PRELIMINARY PULSE IS NOT PROVIDED AND ABSORPTION IS NOT ZE AND ZF OPTIONS AND OMIT FIG. 6. PRIOR TO ISSUE 20D, ZE AND ZG WIRING WERE NOT SHOWN, ZD AND ZF OPTIONS WERE NOT DESIGNATED AND FIG. 6 WAS ALWAYS PRO¬ WHERE AUXILIARY WHEN USED IN WHERE ALL 4 PARTY LINES IN AREA ARE 107, 117, EQUIPPED WITH TUBE 118, 119 4 PARTY TYPE SUB SETS SELEC¬ TIVE OFFICES WHERE ALL 4 PARTY LINES IN AREA ARE L.M EQUIPPED WITH 42A AND AORZ OR INVERTED TYPE WHEN USED IN 2 PARTY OFFICES PRIOR TO ISSUE 21D, FIG. C AND ZI OPTION WERE PART OF FIG. 1 AND FIG. D. ZH OPTION AND CIRCUIT NOTES 135. 136. 137. 138 AND 107, 116, 117,118, 119,121, PRIOR TO ISSUE 22AC, ZH OPTION WAS NOT SHOWN ON THE WIRING 122 TO THE WINDING OF THE MAGNET AND THE(BF) ARC OF THE RELAY SUB SETS THEY ARE SUPERSEDED bY 12 TYPE MESSAGE REGISTERS ON ISSUE 11D. PRIOR TO ISSUE 11D. 12 TYPE MESSAGE REGISTERS WERE NOT SHOWN. 1 PER GR NARY IS NOT (b) WHERE AN AUXILIARY STATION RINGER TEST CIRCUIT, NOT EQUIPPED WITH A PULSE REPEATER, IS FURNISHED, PROVIDE 133. 120. REPEATER STD PRELIMI¬ DIAL STATIONS WHERE AUXILIARY ONLY REQD RINGER TEST CKT REQD 0 II4KA PRIOR TC ISSUE 1OD, b WIRING AND APPARATUS WERE NOT SHOWN, M WIRING AND APPARATUS WERE DESIGNATED X WIRING AND APPARATUS AND L WIRING AND A" WIRING AND APPARATUS WERE NOT DESIGNATED. THE USE OF Zb OPTION FOR USE IN THIS CIRCUIT HAS BEEN DIS¬ CONTINUED AND IS SUPERSEDED bY ZC OPTION ON ISSUE 20D. ZC OPTION PROVIDES FOR AN INCREASED VOLUME OF LT2 TONE. ZG OPTIONS AND OMIT FIG. 6. _k 2 151 t 1 119. RINGER TEST OF A PULSE USE IN CIRCUIT "TOUCH 132. THE DIFFERENCE BETWEEN THE (CR1) RELAYS IS AS FOLLOWS: (AJ> ll4BL IS PROVIDED THE USE OF THE 1-1/3 AMP RINGING FUSE IS RATED MFR DISC ANO SUPERSEDED BY THE 1/2 AMP HV FUSE ON ISSUE 16D. PRIOR TO ISSUE 16 D THE 1/2 AMP HV FUSE WAS NOT SHOWN. PRIOR TO ISSUE 20D, ZC OPTION WAS NOT SHOWN AND Zb OPTION WAS NOT DESIGNATED. AND APPARATUS AND "A" OR Z WIRING AND APPARATUS. 118. WITH A WHERE I AUXILIARY l PULSE RINGER > REPEATER TEST CKT WITHOUT OPTIONS S, Q & N WERE ASSIGNED ON ISSUE 13D TO APPARATUS RATED A&M ONLY OR MFR DISC. ON PREVIOUS ISSUES AND OPTIONS R. P & J WERE ASSIGNED TO THE REPLACING APPARATUS 127. TO ISSUE 6B FIG. b WAS NOT SHOWN AND FIG. A WAS PART OF FIG. 1. 114. THIS CHANGED I RECORDS | OPTION SEE WAS ; NOTE SPECIFY I FURN 1 PER CKT 1 PER GR 3 7T SEE NOTE 126 113. RECORD OF FIGURES. WIRING AND APPARATUS CHANGES 111.120, IN THIS CONNECTION. 111. SEE NOTE THE DIFFERENCE BETWEEN THE (SSI) RELAYS IS AS FOLLOWS: THE MANUFACTURE OF THE 200AG SELECTOR AND 10E BANK FOR USE IN THIS CIRCUIT HAS BEEN DISCONTINUED. THEY ARE SUPERSEDED 4RB * 110. 137. PROVIDE_ AND APPARATUS WERE PART OF THE MAIN DRAWING. 109. 1-1/3 1-1/3 •SEE NOTE 102 WAS NOT DESIGNATED. 124. FEATURE OR OPTION FIG. 1 & C i 5 -48 SIG -48 TALK -48 SIG THE MANUFACTURE OF U OPTION FOR USE IN THIS CKT IS DIS¬ CONTINUED. IT IS SUPERSEDED BY T OPTION ON ISSUE 17D. PRIOR TO ISSUE 17D T OPTION WAS NOT SHOWN AND U OPTION NOT REQUIRED IN 2 PARTY OFFICES. 103. j)||4AK i 1 36. ONT) ONE PER POTENTIAL __M£ 1-1/3 Elt 1 SEE NOTE 135 LEAD. 107. DESIG PROVIDE ONE 1/2 AMP HV FUSE FROM EACH RINGING LEAD MR SUP-, MR SUP*. AND 105* FOR NOT MORE THAN 10 CIRCUITS. 104. 106. FUSE 139 WERE NOT SHOWN. ISSUE (P) SELECTOR SWITCH. 107, 117 119,141,142 261 (CONT ON SHEET 10) o I TEST CIRCUIT cAGLt ro BELL TELEPHONE LABORATORIES INCORPORATED SD-3II4I-0I-2 PN'NTIO U ■ A >RAWING| ISSUE 31 PULSE SWITCH EQUIPMENT NOTES: 201. FIG. K IS FOR A&M ONLY AND IS SUPERSEDED BY FIG. L.PRIOR TO (MFR DISC)15SUE SD F,G- K wflS N0T 0ES,GNATED AND F,G- L WAS N0T SH0WN 202. FIG. L IS FOR A&M ONLY AND IS SUPERSEDED BY FIG. M.PRIOR TO |(MFR DISC) ,SSUE 90’ F,G- M WAS N0T SH0WN* 203. PRIOR TO ISSUE 20D, ZD, ZE. ZF & ZG OPTIONS WERE NOT SHOWN. FIGURES AND OPTIONS ON THIS DWG APP OR CKT LOC LOC WIRING FIG. 1 4A4 2 5A0 5A2 SCO 5C2 5 DO 5H3 3 4 5 fc CM 204. PRIOR TO ISSUE 21D, FIG. 54 WAS NOT SHOWN. 7 DESIG 4D4, Z 4 G4.5.6 4H6 Y 4E8 X 4E3 w 4D0 V 4C1 u 4A6, 5G1 NORMAL PRELIMINARY PULSE OR BLANK TEST FOR SUBSCRIBER'S DIALS (3 TO 11 PULSES PER SECOND) READJUST FOR SUBSCRIBER'S DIALS (9-1/2 TO 10-1/2 PULSES PER SECOND' A TEST FOR TESTING DIALS (11 TO 13 PULSES PER SECOND) B BLANK RING PARTY ♦- C D TIP PARTY ♦RING PARTY ♦♦ TIP PARTY ♦♦ AWAITING DIAL BLANK BLANK BLANK BLANK BLANK RING PARTY ♦TIP PARTY ♦RING PARTY ♦♦ TIP PARTY ♦♦ BLANK BLANK 445,6. 5G1 S 4G4 R 4G4 Q 5A0, 5B0 D 5A0, 5B0 A B C D 5F0 5F2 5G1 5Afc RINGING TEST REGULAR CENTRAL OFFICE RINGING CURRENT 4G4 L 4E3 K 4H1 4H3 4H1 G 542, 592 F 4C1 4E7, 4H7 4 5C1 TT3,TT3-T 7 5H4 \AC 8L H RINGING TEST BELL ADJUSTING 5D9 _ AUDIB LE AND VISUAL A LARM CKT RINGING CURRENT DL 400 1 G | 1 TS AUX STA RINGER TEST CKT 562 H LT2.TT2 CKT R S* ST T 5A2. J Ifcwcl "TOUCH-TONE" CDEQUENCY-CONNECTOB 5B2 M 210 LOC TONE SUPPLY 1 HG HL FIG. DESIG 1 FIG. 1 LOC 51 TY°E DIAL TESTER CKT 5A2, N LEAD INDEX _LEAD INDEX POS DIAL i R I R2 4A0 S 4A0 4C0 1 sw 4C0 4A0 4C0 T TN 4B1 . 4C1.2, 4E7 542, 562 U CONT RINGING 4Hb 1 105V± WORKING LIMITS: 404, INFORMATION NOTES: 301. Mr 302. PRIOR TO ISSUE 21D INFORMATION THAT WAS SHOWN ON DRAWINGS -Oil AND -012 IS NOW INCLUDED ON DRAWINGS -1 THRU -9. MACH IN E PINGING 104,5.6. 4Hb ZA 5A0, 590 SUB LINE WITH FIG. B , WITH FIG. A EARTH POTENTIAL MIN BATTERY VOLTAGE OR - (MINUS) ARE IN VOLTS. TYPE OF DIAL MAX. EXT CKT LOOP MIN INSULATION RES ♦20. ♦20. -12 -0 45V 750 OHMS 15,000 OHMS 1000 OHMS 15,000 OHMS 45V 48V 45V b OR 7 1400 OHMS 15.000 OHMS MR SUPMR SUD* RING G 4H6 1 6 OR 7 1115 OHMS 15,000 OHMS 1500 OHMS 15.000 OHMS 1200 OHMS 30 000 OHMS _ 1 r ZB 5C0 PILOT L° CKT OP ZC 5C0 CEILING LD CKT ZD 4C9 ZE 490. 4C9 ZF 4D5 ZG 4D5 ZJ Z< C TL TRIPPING RANGES: 4£ft &H7, 1.5D2.C2J 4E8 RINGING 20 CYCLES C 1 I CUT 31LLN1 RELAY AC VOLTAGE DC VOLTAGE INTERVAL VOLTAGE ClICl OUb RINGING INTERVAL CCT OLl D A T 1 Kin RM11nu SILENT INTERVAL 42A A&M ONLY INVERTED A&M ONLY 60 19-21 114AK bO 19-21 1000 OHMS 114BL 72-30 42-4b bO-75 970 OHMS 800 OHMS 114BL 84-88 37-40 bO-75 970 OHMS 800 OHMS 114BL 72-80 42-4b bO-75 1000 OHMS 1000 OHMS INVERTED A&M ONLY 114BL 84-88 37-40 bO-75 1000 OHMS 1000 OHMS OR TUBE A&M ONLY 4b-52 1500 OHMS 1400 OHMS 114KA 84-88 37-40 TURF STANDARD 114AK l- SD-3II4I-0I 114BT OR 114EA bO 19-21 4G0 | 1 MAX. EXT CIRCUIT LOOP FOR TRIPPING 900 OHMS 48-52 I Ol TRUNK SUBSCRIBER 4D4, UNLESS OTHERWISE SPECIFIED: RESISTANCE VALUES ARE IN OHMS. CAPACITANCE VALUES ARE IN MICROFARADS. VALUES PRECEDED BY THE SYMBOL ♦ (PLUS) -PULSING 4E6, 4G5 B 1500 OHMS 700 OHMS 42A A&M ONLY A&M ONLY SERVICE CODE SEL MULT | R S T 1 i 4A0 ! _1 i i 1500 OHMS A&M ONLY TEST CIRCUIT © BELL TELEPHONE LABORATORIES 1 r- c INCORPORATED l-7«20 1 V O SD- 31141-01-3 MtNTIO 1 » tr-io-itnc-os l0-lbll£-as 13 Ig31 CIRCUIT REQUIREMENTS fn m* - CONTACTS 2 ANO 3 SHALL NOT BREAK MEN THE RELAY TEST NOTES: ENERGIZED AGAINST A GAUGE WHICH IS .001 1. TEST CUP DATA ASSUMES THAT CIRCUIT HAS SEEN MADE BUST IT GAUGE ON WHICH CONTACTS 1 ANO 3 ACTUALLY MAKE. INSEATING A PLUG PRIOR TO ISSUE 40 NOTE I WAS NOT SMMI. IN (TNI) JACK. 2. ARMATURE NEED NOT TOUCH CORE ON OPERATE CURRENT. CONNECT DIRECT BATTERY TO 4T(RN). 3. TEST CONTACT SEPARATION NIN ) CONTACT FOLLOW 2-3. 4-5 ANO MAI fc-7 NIN • TEST ANO READJUST. SD-3II4I 4. IS ELECTRICALLY INCH SMALLER THAN THE ARM TOOL 30 RELAY SHALL NOT BREAK CONTACT ON TEST 43MA. REAM TOMA THE NIN NORMALLY CLOSCO CONTACT PRESSURE SHALL BE DIOOES MUST RE SHORT CIRCUITED FOR CURRENT FLOW ADJUSTMENTS ONLY. TEST CLIP DATA REFERS TO RELAY. 5. CONTACT 2-3 ANO 4-5 SHALL MAKE BEFORE 6-7. CONNECT (N) RESISTOR IN PARALLEL WITH REGISTER BY PATCHING A. APPLY PULSE REPEAT I NO REQUIREMENT A1 WITH 44-7§ PER CENT 38(01) ANO RtflA). _ BREAK (A442.700). 7. THE FRONT CONTACTS SHALL MAKE BUT THE ARMATURE N&D NOT TOUCH THE CORE ON OPERATING CURRENT. TEST CIRCUIT BELL. TELEPHONE LABORATORIES 0 SD-31141-01-6 3 CIRCUIT REQUIREMENTS r r a r\ n i DESIG CODE j )PT. LOC FIG. Ml 3 5A1 ft 3 iV^' lit-?® ■1■i -— TA BSP FIG. CONT PRES *RM. 1 H 15 —r BLOCK OR ESID rRVLr INSULATE 1 (TA) TEST CLIP DATA CONN BAT. CONN GRD SET PREP TEST NOTE TEST WDG ■■Mil RHEUMI 3RD 1 2E MR 4LH MR TL MA ■Ml 5 3 GRD 2 0 W 28 rm SHHEIi CTKOTi!GRD ..Ill HMMBI1 2 NO 21 23 3 KB 35 33 NO b2 40 59 43 - J. RBl(TL) — 7A ? Efe54. El 99 ESI mm MA SiSi Simi 5B0 5Y MR READJ ——4_L mammi TL ^FTER SOAK rEST rEST FOR 5B0 1 H 9K! ■i 1 (TL) mi GRD 1 RT(TL) T ■Ml wm\■I MBS■■ ■1 El pm mEli 592 RBI(TL) 12C MR J 4LL MR K1 14K MR n RBI(TL) GRD GRD RT(TL) GRD M 35 33 U(TP1 ) GRD 0 40 38 U(TP2) GRD KJI 40 38 RT(TR) GRD 0 19 12 B(TR1 ) fa(TR1 ) B/G B/G 0 NO 37 31 35 33 0 40 38 E654, TL 3 5B1 1 EM 5D5 234 5D4 234 4Gfe 3/1 15 9 m rm AJ9 hi — TP2 AJ9 TR EB72 1 (TL) ■ Ml El 99 ! TP1 — 2 2 REMARKS 1 BfflTifi 20 HI 114 BT, 114 EA TR1 TR1 114 AK TRA AJ9 T(TR1 ) 20 4D4 1 T (TR 1 ) 1 34 4D4 1 EM 5E7 4 (TR)O U(TRA) 234 GRD m D1 DDES Im mm ■j mm n 5B4 mm — 446F FI 5A4 Ian K«!9 5.6 REMOVE B BAT CONNECTION 5.7 REMOVE B GRD CONNECTION r 1— J_ i- m _ 1 1 IMIMIM IM J_ BMi J- -1- TEST NOTES: t. TEST CLIP DATA ASSUMES THAT CIRCUIT HAS BEEN MACE BUSY BY INSERTING A PLUG IN (TMB) JACK. 2. TEST CLIP DATA REFERS TO RELAY. 3. CONNECT (H) RESISTOR IN PARALLEL WITH REGISTER BY PATCHING 7. BLOCK OR INSULATE TO ISOLATE TERM NO. 2 OF (LB) DIODE SUPPLY GROUND TO TERM NO. 1 AND MAKE FORWARD TEST AS SHOWN IN NOTE 5. TEST FIG. 1. REMOVE GRD AND SUPPLY bAT. TO TERM. NO. 1 AND MAKE REVERSE TEST AS SHOWN IN NOTE 5. TEST FIG. 2. F/G./ FORWARD TFST 3B(D1) AND RB(TL). THE H4AK REL SHALL BE TESTED AND READJUSTED BY CONNECTING IN SERIES THE FOLLOWING RES BETWEEN "fa" TERM. OF REL UNDER TEST AND GRD. -W*-~48V 'H- 0.1 MEG UJ < CL (A) FOR STANDARD A2A RING. OPERATE 0000 ±1% (B) WITH 9000 SUB LOOPS F/G. 2 NON-OPERATE 10350 *1% REVERSE SD- 31141-01 FOR INVERTED 42A RING. WITH 10000 SUB LOOPS OPERATE 10000 i1% NON-OPERATE 11500 iU USE VOLTMETER WITH 2C.000 OHMS/VOLT OR HIGHER SENSITIVITY. DOTTED LINES INDICATE TEMPORARY TEST LEADS.IN TEST FIG. 1 VOLTAGE ACROSS DIODE SHOULD NOT EXCEED 2 VOLTS.' IN TEST FIG. 2 VOLTAGE ACROSS C.1 MEG RESISTOR SHOULD NOT EXCEED 2 VOLTS. TEST r -<v>* - 48 V - / *2 J--Wr -Hi' OJ MEG BLOCK OR INSULATE TO ISOLATE TERM NO. 1 OF (LA) DIODE SUPPLY GROUND TO TERM NO. 1 AND MAKE FORWARD TEST AS SHOWN IN NOTE 5, TEST FIG. 1. REMOVE GRD AND SUPPLY BAT. TO TERM. NO. 1 AND MAKE REVERSE TEST AS SHOWN IN NOTE 5, TEST FIG. 2. TEST CIRCUIT BELL TELEPHONE LABORATORIES INCORPORATED SD-31141-01-7 • ■INTID IK u 1 » ISSUE Z6B HW 5 FIG. K (MFR D/SCJ 6 7 FIG. L (MFR DISC.) SEE MOTE 20/ 9 Ft6. V) (MFR PI SC.) SEE MOT'S 20/ JW JUMPER 8 S££ A/ore 3IV JUMPER £02 JW JUMPER SHOWN ON SERVICE CODE S£l cxr SHOWN ON 172 SiPT/CE CODE I SEL T\ 1_n P IDE EDS) REl / EX B C&L 10 s-* (OS) PEL s SI /AR) REL TO COMMON UNIT OP Deal rESTEP EQPT (PS/ REl ... // -0- (Aft) REL -'ALjREL CRY) R£C *(CB) °€L (DJ REL (OS) REL (M) REL (CR) REL (6!) REL 70 AUTO rRANS f 62_ tDB! fCA) REl SEE NOTE /OS DTE (TR) REl • (TPD PEL ro DRY cells (6!) REL 70 TONE SUPPL r CTi j •(CR) PEL fM) REL • (Al) PEL REl ATS I ETC (OS) REL ■ (H) REL -(Rv)rel PEL ATS ETC • (D) REL TO O/AL TESTER ON/T (tpd pel ■ (H) REL {CP) XfL ■ (CA) REL (TR) REL ■ (GO REL (CA) REL /At) REL ■ (GO REL Ice) REL ■ ((B) & (OS) REL (DSJ PEL ■ (P) REL (CB/&/DS) REL TO M/SC FUSE BD /SR/) REL - (AD REL • (TR) REL —'i -J (CRJ REL J (CR) REL (RV) REL ■ (RV) REL (TR) A ft TO P/LOT LAMP cxr | \c IP) RE. TO AUO A NO 1 VISUAL AIM CKT \ <fiL ^ 1 71 I (AL) REL I r" *rs ON UNIT TO CORRE1POMR4N6 PC Hi1} OK OTHER TEST ClACU/rS ON OTHER TEST CIRCUITS u STEP BT STEP SYSTEMS NO. 1 OP 350A TEST CIRCUIT BOX TO-EPHONE LABORATORIE3 | 5 6 \2J SO-31141-01-9 i mirrmm m u. • * 9