Bell System Practices 636A Manual page 10

SECTION 502-610-410
Page 10
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
SSP 502·610-410-i0l_1972-04-10 .jpg
NOTES' ASSOCIATED WITH FIG.
I. WITH 599A OR 657A KEY IN FIRST MODULE;
AND MOUNTING CORD BINDER GROUP
WITH S99B OR 657B KEY IN
OF TBI, INSULATED AND STORED.
WITH 598A OR 656A KEY IN F IRST MODULE; STRAP A-H OF TBI TO TERMINAL G ON
NETWORK.
( ) (
CONNECT S-BR AND G-BL
TO EXTEND HOLD LAMP LEADS CONNECT
( ) ( )
0-BL AND 0-11 MOUNTING CORDS LEADS RESPECTIVELY USING SPARE TERMINALS
OR D-161488 CONNECTORS.
2. FOR USE WITH lA KEY SYSTEM ONLY, MOVE AI
AND MAKE CONVERSION SHOWN IN TABLE A.
3. FOR ADD-ON CONFERENCE CONTROL IN THE 6A KEY TELEPHONE SYSTEM,
( )
G-11 MOUNTING CORD LEAD
LEAD OF ADO-ON CONFERENCE BUTTON
TERMINAL AND CONNECT TO PB.
MANNER. ALSO SEE NOTE 4.
4. IIHEN THE 617A KEY IS REQUIRED AS A DUAL-PURPOSE KEY, THE BRASS STRAP
51
BETIIEEN THE AND SG TERMINALS OF THE KEY MAY BE REMOVED.
CORD OR EQUIVALENT TO CONNECT 51 TERMINAL OF 617A KEY TO A DISSIMILAR
GROUND OR A NONGROUNDED C I RCU I T.
5. IIHEN INSTALLING P-90D033 PRINTED IIIRING BOARD ASSEMBLY TO PROVIDE STATION
BUSY LAMP FEATURE IN IAI OR IA2 KTS CONNECT A OR H LEAD
KEY MODULE TO TERMINAL X OF TBVI.
*
INSULATED AND STORED
DEAD ENDED
( )
CURRENT COLOR CODE
( )
MD COLOR CODE
5
SPADE TIPPED LEADS FROM KEY PLUG I
( )
W ARE INSULATED AND STORED AS SHOIIN.
( )
FIRST MODULE; G-BL LEAD MUST B E REMOVED FROM A- H
)
LEADS FROM KEY PLUG I TO A-H OF TBI.
( ( ( )
BR-Y AND BR-BK
( )
Y STRAP FROM IB TO SG ON TBVI
( )
RED BINDER GROUP TO TBVI-PB.
(
CONVERTED TO SIGNALING
THE 617A KEY MAY ALSO BE USED IN A SIMILAR
SEE FIG. 6.
Feb 04,2012 14:16:00
KEY PLUGS LEADS TO
CONNECT
ALSO REMOVE COMMON
)
FROM A-H
USE Mill
( )
S-BL FROM LAST
TPA S05026