Bell System Practices 902A1 Quick Start Manual page 7

WIRE
INSID( 625-TYPE
(NOTE 3) CONN BLK
Tl P
RING
GRO OR AI
SPARE OR A
NOTES:
1.
SET WIRED FOR INDIVIDUAL OR BRIDGED RINGING.
2. WHBII USED WITH KTS, TO PREVENT A FALSE
HOLD CONDITION WHEN GOING ON-HOOK, THE
TIP AND RING LINE SWITCH CONTACTS MUST
�
BREAK BEFORE THE LEAD CONTACTS BREAK.
�.
WHEN USED WITH lA I OR IA2 KTS THE
(Y)
(BK) AND LEADS BECOf�E A AND A I
AND THE (BR) LINE SWITCH L
BE MOVED FROM L2 TO G OF NET\.KlRK.
*
- INSULAT�D AND STORED
DP-
DIAL PULSE
ON-
DIAL OFF-NORMAL
.,
D
CD
.,
.... .
BSP 503·200·102-i01_1977·06·07.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
04BU·29 623P4 P-TYPE
RINGER
MTG JACK
I NOTEII
CORD
ASSY
(G)
I
( R
(Y)
(BK)
EA ST
D MU
Fig. 3-902A 1 Telephone Set, Connections
Feb 08,2012 18:20:47
LINE
SWITCH
(NOTE 21
(S)
IYI
IBRI
iii
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