Download Print this page

Advertisement

Quick Links

BELL SYSTEM PRACTICES
AT&TCo Standard
1.
GENERAL
This section contains connection and maintenance
1.01
information for 18- and 30-button general
purpose CALL DIRECTOR® telephone sets equipped
with headset jacks.
This section is reissued to:
1.02
Change title of section from 636- and 637-type
telephone sets
Show that all codes of these telephone sets
are now MD
Show 599H and 657H keys MD, replaced by
657L key
Add modification table, Fig. 6
Add information on T1A ringer, Fig. 1 and
change 241A amplifier to 241-type
Remove common maintenance information
which is now covered in Section 502-600-100.
These sets are not intended for use with
1.03
3-type speakerphone systems.
2.
CONNECTIONS
These sets are factory-wired for use with
2.01
lAl, 1A2, or 6A KTS line circuits.
may also be used with lA KTS line circuits by
modifying the set as shown in Table A.
circuits for lA, lAl, or 1A2 KTS may be connected
to the same set under the following conditions:
(a) lAl or 1A2 KTS lines must be connected
to the first key units with lA Jines connected
to supplementary key modules.
(b) lA, lAl, or 1A2 KTS lines should not be
connected to the same 6 line key module.
(c) lA, 1A1, or 1A2 KTS lines appearing behind
a m a n u a l s w i t c h b o a r d s h o u ld n o t be
502-610-410-i02_1972-04-Ql.jp g Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04,2012 13:17:13
BSP
636A, B, C AND 637 A, B, C, D TELEPHONE SETS
@ American Telephone and Telegraph Company,
SERVICE
intermixed at a CALL DIRECTOR telephone set
due to the different time out intervals provided
by the associated KTU's.
These 636- and 637-type (MD) rotary dial
2.02
telephone sets are equipped with 517A jacks
for the plugs of a G3L handset or a head telephone
set. The internal wiring is arranged to electrically
connect either the line switch or the headset jacks
to the line.
Replacement or substitution of the key in
2.03
the first module may require wiring changes
as shown in the notes for Fig. 3 and 4.
Some spade-tipped conductors or
mounting cord leads are insulated
with tubing which should be cut off
with electrician scissors or diagonal
pliers. Other conductors
with stiff plastic pockets. Pinch open
the pocket to release the spade tips.
When station busy lamp feature is required
2.04
with these sets having 1A1 or 1A2 KTS line
circuits, a P-90D033 Printed Wiring Board Assembly
must be ordered separately and installed in the
636- or 637-type telephone set.
the busy lamp will light whenever a line pickup
button is depressed and the handset is off-hook or
They
the headset is plugged into the jack.
for connections and Section 502-600-100 for installation
Line
procedures.
Sets equipped with a D120C mounting cord
2.05
manufactured prior to III-68 must use circuit
per Fig. 6 to provide station busy lamp feature.
tThe tip and ring leads of lines wired for
2.06
supplementary hold feature must be run
directly between the key telephone equipment and
key telephone set.
r o u t e d p e r SD-6 9 530-0 1 a n d D iv i s i o n 5 1 8
Printed in U.S.A.
SECTION 502-610-410
Issue 2, April 1972
are
With this option,
The A and lamp leads can be
1972
insulated
See Fig. 6
.•
Page 1

Advertisement

loading
Need help?

Need help?

Do you have a question about the 636A and is the answer not in the manual?

Questions and answers

Summary of Contents for Bell System Practices 636A

  • Page 1 SECTION 502-610-410 AT&TCo Standard Issue 2, April 1972 SERVICE 636A, B, C AND 637 A, B, C, D TELEPHONE SETS GENERAL intermixed at a CALL DIRECTOR telephone set due to the different time out intervals provided This section contains connection and maintenance by the associated KTU's.
  • Page 2: Maintenance

    SECTION 502-61 0-41 0 Supplementary hold can be furnished in either of screw detail P-10E837 entirely from plunger at the following arrangements: the key position to be converted. Make the necessary wiring changes as shown in Table B. •(a) Replace the 599- or 657-type Priority Hold: key in the first module with a 599H (MD) •A 657B or 599B key (turnbutton) may be...
  • Page 3 HEAD TELEPHONE 40108 G3AR NETWORK HANDSET (BK) H (S-BKI (R-BL) (BK) (BK) (BR-R) IOOOfi [S-RI (BR-R) (BK) ( S-BKI NIA OR TIA 1600!1 RINGER (S EE NOTE) HS (A) (BR-BK) (W-BR) (BK-BR) NOTE: NIA RINGER SHOWN,TIA RINGER HAS SINGLE COIL (5200 OHMS) AND ONLY (R) AND (BKI LEADS.
  • Page 4 "' AMPLIFIER 1510 LEGEND' 425D NETWORK NOTE' LINE SWITCH OFF-HOOK SEQUENCE' D 1 AL orr NORMAL CONTACTs ..CLOSES DIAL PULSE CONTACTS LINE SWITCH -CLOSES H S lA ) � -OPENS 51 7A JACK A H SIB ) - 517A JACK 8 ( ) CURRENT COLOR CODE FLASH KEY �...
  • Page 5 425D NET\IORK 151D AMPLIFIER NOTE' LEGEND' LINE SWITCH Off-HOOK SEQUENCE' DIAL orr NORMAL CONTACTS CLOSES DIAL PULSE CONTACTS CLOSES LINE SWITCH OPENS 517A JACK A 517A JACK B ( ) CURRENT COLOR CODE FLASH KEY ( ( MD COLOR CODE INSULATED AND STORED UNDESIGNATED TERM.ON NET\IORK...
  • Page 6 � A75A OR A I O OO COHHECTOA C.l8L£ 0120C OR 0200> MO UtH I N G CORD "' PLUG I A7!5A AHD A t>96A OR ""'" IOOO 0120C OR A7!5A OA \BL-YI B • 656A KEY INOEA LE400UIG TO F I G 1 , 2,0R3 A I O O O IBL-W """"...
  • Page 7 � A75A OR A!OOO CONNECTO'l �� CA81.£ ---- -- -;. 0 ! 2 0 C OR D200F MOUNTING CORD :�- ..Ofii!57A KEY IN FIRST IIIO DU LE; 617A K(Y 598A OR 6S6A KEY KEY PLUG DI20C 0200F PLUG2 A75.A AIOOD ONlY ..
  • Page 9 TABLE A- WIRING MODIFICATIONS FOR COMBINING lA AND IAI OR IA2 KTS LINES MOUNTING CORD LEADS (NOTE 1) CHAINING SWITCH TEL SET CONTROL LINE 30-BUTTON SETS HOLD KEY 18· AN 30-BUTTON SETS (NOTE 2) TELEPHONE ONLY SWITCH SYSTEM 1ST KEY 2ND KEY 3RO KEY 4TH KEY...
  • Page 10 SECTION 502-610-410 NOTES' ASSOCIATED WITH FIG. I. WITH 599A OR 657A KEY IN FIRST MODULE; SPADE TIPPED LEADS FROM KEY PLUG I AND MOUNTING CORD BINDER GROUP ARE INSULATED AND STORED AS SHOIIN. WITH S99B OR 657B KEY IN FIRST MODULE; G-BL LEAD MUST B E REMOVED FROM A- H OF TBI, INSULATED AND STORED.
  • Page 11 "" " (636-ANO 1S T MODULE 637- T Y PE SE T S ) CONN ECTOR CABLE 5998 598A OR 5 99AOR 6578 656AKEY >o 657A<EY D I 2 0A,!HMDJ A I O OA{MOl nuOR 0200 A,B{MD} (W ) B I N OER {BL-W B I N DER) .
  • Page 12 "' .."' 617AKE'I' 598A OR 6S6A KEY 2ND MODULE 2ND MODULE (636-TYPE SETS) ..• 2ND. MODULE (636-TYPE SETS) 3RO OR 4TH (63"1'-TYPE MODULE SETS) SETS) (637� TYPE "' � � � TELEPHONE SYSTEMS :tN� '&�.u (BL-BK) (BK-BLI V-0] L-SK ] 10-BK) G-V)
  • Page 13 SET ! , �TH � 3RD MODULE (636-TYPE MODULE (637-TYPE SETl MOUNTING CORD CONNECTOR CABLES AlGOA '"" �98A " m 617A K E Y OIZOA,B {MOl PCOG 3 KEY PLUG FROM 0120A B {MDI {G-WIBIHDER A,.. LAMP 656A KEY '" INDE CONN 0200/l,B...
  • Page 14 SECTION 502-610-410 HABLE B . PICKUP-SIGNAL KEY CONVERSION (3RD OR 5TH MODULE) 598A 656A CONVERSION OPTIONS (NOTES) (BL·BK) ( BR·BK) (Y-0) (O·Y) ( O·W) (5-W) (G·R) [BK) [BR·G) [BR·W) [R·BL) [G·BL ) ( 0-BK) [5-BR) pppppp PPPPPS PPPPSS PPPSSS PPSSSS PSSSSS ssssss PPPP* P * S...
  • Page 15 ISS 2, SECTION S02-610-410 TABLE C 5998 ( TURNKEY) KEY CONNECTIONS FIRST MODULE KEY LEADS SPADE-TIPPED lEADS OF MOUNTING CORD FEATURE (G-BK) (BK-G) (BK-BR) (BL-Y) (Y-BL) (Y-0) (BL-Y) (0-Y) (Y-0) (BR-BK) [R-W] [G-Y] [G-BL] [ O -R] [0-BK] [ O-R] [0-G] [G-Ill] Cutoff sta on...
  • Page 16 SECTION 502-610-410 P-900033 PRINTED W I RING BOARD ASSEMBLY H S (A) c L S b I BRI [ s - G] I Y I [s-w] I B K I ( W - 0 ) (R- BK] G . 4 - - - ��...
  • Page 17 ISS 2, SECTION 502-6 1 0-41 0 NET. G A H Y 11 A 11 RELAY IN lA TBI- U.2 L I NE C I RCU I T (R-BKJ 5 (Y- G) (BK-BLJ H A ll (O-W) ( S ) IW-0) ( B R ) (S-G] I Y I ( S-W...
  • Page 18 SECTION 502-610-410 MOUNT I NG CORD CONN CABLE 599H 6 5 7 (G-BK ) MOUNT I NG CORO CONN (G-BK ) 430A CABLE f--- - -+< --< f--- - --< SU'L ---+< HOLD SUPL HOLD --l.( (BK-BR) (BK-BR ) 430A f- -- - f--- - -t<...

This manual is also suitable for:

636b636c637a637b637c637d