SPEAKERPHONE SYSTEM-3-TYPE 630-TYPE TELEPHONE SETS CONNECTIONS AND MAINTENANCE

Transcription

1 BELL SYSTEM PRACTCES Plant Series SECTON ssue 2, September 170 AT&TCo Standard SPEAKERPHONE SYSTEM-3-TYPE 63TYPE TELEPHONE SETS CONNECTONS AND MANTENANCE 1. GENERAL 1.01 This section covers modification and connection of the 63type telephone set when used with the 3-type speakerphone system. Maintenance, limited to components installed in the set as a result of the modifications, is also covered This section is reissued to: eadd information on 630DA telephone sets e ndicate 8R dial must be replaced with 8C when speakerphone is furnished. 2. MODFCATON 2.01 tcodes -11, -12, and - of the 63type telephone sets are factory-wired for speakerphone. Other codes can be converted by installing a transmitter in the third module and replacing an 8R dial with an 8C dial, where required. 630A(MD, 630B(MD, 630C(MD and 630D Telephone Sets 2.02 Convert as follows: (a) Remove telephone set faceplate and housing. (b) Remove key unit or apparatus blank in right-hand module position (third module) and plug in a 667B transmitter (ordered separately). (c) Connect spade-tipped leads of transmitter as shown in Fig. 1 or 2 and Table A. (d) nstall housing. (e) nstall new faceplate and mat (ordered separately) in which cutouts for the transmitter are provided. Refer to the Reference section on 63, 63 1-, and 632-type sets for ordering information. TABLE A CONNECTONS FOR 667-TYPE TRANSMTTER LEADS TRANSMinER CONNECT TO* LEAD 630A DESG D 667A (MD) C TEL SET TEl SETS R1 R EL-Y 1 2 T1 G Y-BL RRt RRt P3 W Y-G Wt 11 P4 BL G-Y BEt 12 AG 0 Y Gt 5 A1 y V 4 1 LK BK Y-0 L1t * Termmals on telephone set termmal board except where otherwise noted. t Terminals on network. t Terminals on 6-type dial. 630DA Telephone Sets 2.03 Convert as follows: (a) Remove faceplate and housing. (b) Disconnect line plugs from key unit or key. (c) apparatus blank in third module and remove nstall 67A transmitter in third module and connert plate plug to receptacle on rear of transmitter. plugs. nsulate and store balance of (d) Modify set per Fig. 3 and Table C. (e) Replace housing. ' ' American Telephone and Telegraph Company, 170 Printed in U,SA Page 1 BSP S i02_170l.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 21,2012 0::44

2 SECTON S TABLE B SPEAKERPHONE CONDUCTOR LOCATON N TELEPHONE SET MOUNTNG CORD 630A, B, C, AND D TELEPHONE SETS LEAD DESG THRD MODULE PLUG D20A (MD) MTG CORD D20B (MD) MTG CORD PLUG 111 LEAD COLOR TERMNAL (BK) BNDER PN D20C MTG CORD PLUG 3 LEAD COLOR TERMNAL (G W) BiNDER PN R1 S-Y G-W 3 T1 S-BK W-G 28 P3 15 S-BR 15 BR-R P4 40 BR 40 R-BR 34 AG 41 BK-W 41 BK-0 s 16 BK-BL 16 BK 12 M1 17 BL-W 17 S-BK 15 M2 42 s 42 BK-S 40 - P1 14 S-BL 14 BL-R 6 F1 18 BL 18 G-Y 18 A1 BK Y-0 42 Mates with 667-type transmitter plug. (f) nstall proper faceplate and mat. Refer to Reference section for ordering information. TABLE C SPEAKERPHONE MODFCATON 630DA TELEPHONE SET WRE OR COLOR FROM TO LEAD Y-0 Y. Mounting Cord BL-Y 44 Y-BL 46 Y-G 43 BR-BK Plug Strap BR-BK 30 67A Trmtr S-V nsulated and stored RR CONNECTONS For proper operation of the 3-type speakerphone system, ground must be present on the Al-lead. Connect ground to the appropriate terminal on the telephone set or at the 55-type control unit Where required, ringer and buzzer operation can be interrupted through break contacts of the 55-type control unit to prevent pickup while using speakerphone Connections are also shown for busy lamp controlled by speakerphone. Where it is desired to have the busy lamp controlled by speakerphone and line switch, refer to the Service section for the set involved Either the 55A or 55B control unit may be used with these sets. Connections to the 55A control unit are the same whether or not the unit has been modified for TOUCH-TONE service. Page 2 BSP i02_ jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 21, ::03

3 SS 2, SECTON MANTENANCE 4.01 The 667B transmitter is subject to pickup and amplification of mechanical spring vibrations when used in some CALL DRECTOR telephone sets. This complaint can be eliminated by the installation of a factory modified transmitter ordered as follows: "Transmitter, 667B, Modified per D " 4.02 Packed with the modified 667B transmitter is a piece of split vinyl tubing which shall be assembled to the key pivot bar spring of the telephone set when installing the transmitter. Page 3 1 BSP _17Q-Q3.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 21, ::

4 # SECTON ' 630C (MD) 6300 CO-TROL UNT PART OF CONNECTOR CABLE (NOT E ) l<'l[phone SET (PARTAL) PART OF D 120C 55A 55B A75A MTG CORD TEL SET TERM. (G \1) (G \1) BNDER KEY TYPE 26 STRAP (TABLE A) v- (NOTE 2) Bl NDER PLUG rpt.oltr CONN PLUG = - m = G 630C 630D (v-o) (Y) Rl (G-l) ' (G \1) 2 >-t--- 1 ""; T' --0 Tl ;«; RR (-G) (W-G) ' 28 : > ,! P (BL-R) (BL-R) e w P3 (BR R) (BR-R) S >-t- 30 t- --(!) (R BR) (R-BR) "-' : > ! "-' - 3 s (BK) (BK) L,;_ <l! 5 AG (BK-0) (BK O) 5 "-' 41 ' >+ 1-- "-' -<l 4 :!. Ml (S BK) (S BK) > 't6 f-e M2 (BK-S) (BK-S) Fl (G-Y) f-e (G-Y) >-Lf-e SP2 (BR-Y) "-' 1 (BR Y) 33 SP (Y BR) (Y BR) " USE SPARE TERMNALS T 24 OR D CONNECTORS - - (NOTE 3) 6 22 B B (S-Y) "-' R-R (Y-S) -! :} NOTE 41 (Y-S) B-B - TO KTU for 16 COMMON SG R-R - "-' CONTROL ( p BL TO BUSY LAMP CONTROLLE D B Y SPEAKERPHONE (G) A TF - TO 18V, LOUDSPEAKER (R) HZ POWER TF2 SOURCE 35 A P4 (Y-c.) ' ' ' ' 44 - NOTES:. F CONTROL UNT S LOCATED AT KEY EQUPMENT, USE (G-W) BNDER GROUP OF A75A CONNECTOR CABLE FOR SPEAKERPHONE LEADS; for OTHEil LOCATONS, CONNECT TO CONTROL UNT USNG A25 TYPE CONNECTOR CABLE. 2. ADD STRAP for SHTON BUSY LAMP CONTROLLED BY SPEAKERPHONE. 3. CONNECT SP LEAD TO TERMNAL 30 (ON 55B) OR TERMNAL. 24 (ON 55 A) WHEN REDUCED LOUDSPEAKER VOLUME F DES RED. 4. CONNECT (S-Y) (1-S)TO BUZZER OR RNGER (N PLACE Of EXSTNG LEADS) TO PROVDE AUTOMATC CUTOff Of COMMON AUDBLE SGNAL DURNG SPEAKERPHONE OPERATON. * NSULA TED AND STORED Fig. 130C and 630D Telephone Set, Connections Page 4 BSP i02_170..Q4.jpg Scanned by Frank Harrell, (Cowboy Frank) Casti:le:FRi;:oc ;'k,:ccol oc::;:,d;;; o:" At p ;;",,C, ij 2 lc O ii'!2 ;-;; : ;:' ii< :;;

5 SS 2, SECTON CONTROL UNT 55 A "-' i ;; '1' - PART Or CONNECTOR CABLE (NOTE ) STRAP i? (NOTE 2) A R (BK O) (G BK) A75A (G W) NOER AOOA (0) BNDER L eo: (BK BL( AOOA G v 81 NDER "-. (G V) Tl (BK G) [V G] P (BR BK) (BR V) P3 (S BK) [S-V] P4 (BK S) (V S] : AG (Y BL) (W BL) s (BL Y) (BL W) M2 (Y O) [W O] Ml (O Y) (O W) : r 1 (G Y)- (G W) B B (BL V) R R (Y S) (V BL) SP2 (BR Y) SP (Y BR) (Y S) : P, (NOTE 3) B B ] TO KTU ror R R COMMON SG CONTROL BL Tr 1 Tr2 A OOA ( BR B NDER) TO BUSY LAMP CONTROLLED 8 Y SP EAKER PHONE TO 18V, 60 HZ POWER SOURCE PLUG m PART Or D 120A (MD) OR D20B (MD) MTG CORD (BK) BNDER NOTES:. F CONTROL UNT S LOCATED AT KEY EQUPMENT EXTEND SPEAKERPHONE CONNECTONS THROUGH APPROPRATE LEADS N (0). (G) AND (BR) BNDER GROUPS OF A OOA (MD) OR (G W) BNDER GROUP OF A75A CONNECTOR CABLE. FOR OTHER LOCATONS CONNECT TO CONTROL UNT USNG A25 TYPE CONNECTOR CABLE. 2. ADD STRAP ror STATON BUSY LAMP CONTROLLED BY SPEAKERPHONE 3. CONNECT SP LEAD TO TERMNAL 30 (ON SSB) OR TERMNAL 24 (ON SSA) WHEN REDUCED LOUDSPEAKER VOLUMN S DESRED. 4. CONNECT ( Y BL) ( Y W) TO BUZZER OR RNGER (N PLACE Or EXSTNG LEADS) TO PROVDE AUTOMATC CUTOrr or COMMON AUD SLE SGNAL OUR NG SPEAKERPHONE OPERATON, * NSULATED AND STORED CURRENT COLOR CODE [ ] MD COLOR CODE (O BK] : [S BK] ( S BL} S BR) : (BR) (BK W) (BK BL) (Sj (BL W) (O BL) (Y BL) (Y W) : (G W) (Y BK) rem G (BR) KEY PLUG m :] (NOTE 4) 630A (MD) OR 630B (MD) TELEPHONE SETS (PARTAL) 667 TEL SET TYPE TERM.630A TRMTR OR 6308 (TABLE A) >-*--,_ 4 >--- ;;; > >-.. S>--- BB 40 > >--- w G Ll 16 >--.. "-' 42 > > >-.. c f=p USE SPARE TERMNALS OR D CONNECTORS (G) (R) 760A LOUDSPEAKER Fig A and 6308 Telephone Set, Connections Page 5 BSP i02 17QS.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 21, :3:24

6 SECTON TYPE A75A CONN CABLE D20K TG CORD TERM. CONTROL UNT (G W) Bl NOER (G) Bl NO[R BOARD 55 A 55B CONN PLUG R (BL Y) (BL Y) - r>. 1s < T '( (Y BL) (Y BL) P3 (O-Y) (Y) - t P4 (Y-O) (Y-O) < 5 AG (Y G) ).). (Y-G) 'is - _ -fi.. 3 S n. - _t 2 2 -=t ) ;;. ft _/ n, Ml (G BK) M2(- 15) (BK G) s (BR-BK) 14 < P (BK-BR) 3 < A SG (S BK) 15 f-- NOTE 3 F (BK S) 40 < B B R R (Y-5) B-B ] TO KTU FOR COMMON R-R SGNAL CONTROL SP2 SP TF TF2 BL (O BK) (BK-0) TO 18V 60HZ POWER SUPPLY : TO BUSY LAMP CONTROLLE 0 BY SPEAKERPHONE (NOTE 3 (G BK) (BK G) (BR BK) (BK BR) (S-BK) (BK S) NOTE (Y S) 1 NOTE 2 (BK) 51 (BK-0) 52 (BR-BK) (BK BR) (S-BK) (BK-S RR A -0 NETWORK, A - SLATE TRMTR (BL) (0) (W) ) 2 ) (BR) L >--- (S) ) LG (S V) i L j 760A LOUDSPEAKER NOTES: WHEN CONTROL UN T S USED- TO CUT orr RNGE OR BUZZER N SET, CONNECT THESE LEADS AS SHOWN. NSULATE AND STORE ;-Y AND Y-S FROM BL BNOER. 2. NSULATE AND STORE O BK AND BK-0 TO BR' PLUG. 3. STRAP 26 TO 2(55A) OR 21 TO 1(55B) WHEN BUSY LAMP S CONTROLLED BY SPEAKERPHONE. USE DC LAMP OR BUSY LAMP CONTROL CRCUT PER SD CONNECT SP LEAD TO 24(55A) OR 30(558) WHeN REDUCED LOUDSPEAKER VOLUME S DES RED. Fig DA Telephone Set, Connections Page 6 6 Pages BSP i02_17Q-06.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 21, :3:43