SECTION 502-610-410
Page 10
NOTES'
ASSOCIATED WITH FIG. 5
I. WITH 599A OR 657A KEY IN FIRST MODULE; SPADE TIPPED LEADS FROM KEY PLUG I
AND MOUNTING CORD BINDER GROUP
(
W
)
ARE INSULATED AND STORED AS SHOIIN.
WITH S99B OR 657B KEY IN FIRST MODULE;
(
G-BL
)
LEAD MUST BE REMOVED FROM A- H
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
)
LEADS FROM KEY PLUG I TO A-H OF TBI.
TO EXTEND HOLD LAMP LEADS CONNECT
(
BR-Y
(
AND
(
BR-BK
)
KEY PLUGS LEADS TO
(
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
(
Y
)
STRAP FROM IB TO SG ON TBVI
AND MAKE CONVERSION SHOWN IN TABLE A.
3. FOR ADD-ON CONFERENCE CONTROL IN THE 6A KEY TELEPHONE SYSTEM, CONNECT
(
G-11
)
MOUNTING CORD LEAD
(
RED BINDER GROUP
)
TO TBVI-PB.
ALSO REMOVE COMMON
LEAD OF ADO-ON CONFERENCE BUTTON
(
CONVERTED TO SIGNALING
)
FROM A-H
TERMINAL AND CONNECT TO PB.
THE 617A KEY MAY ALSO BE USED IN A SIMILAR
MANNER.
ALSO SEE NOTE 4.
4. IIHEN THE 617A KEY IS REQUIRED AS A DUAL-PURPOSE KEY, THE BRASS STRAP
BETIIEEN THE
51
AND SG TERMINALS OF THE KEY MAY BE REMOVED.
USE Mill
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
(
S-BL
)
FROM LAST
KEY MODULE TO TERMINAL X OF TBVI.
SEE FIG. 6.
*
INSULATED AND STORED
DEAD ENDED
( )
CURRENT COLOR CODE
( )
MD COLOR CODE
TPA S05026
SSP
502·610-410-i0l_1972-04-10.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04,2012 14:16:00
