Bell System Practices 911A1 Manual page 4

"Ill
D
CD
.,
WIRE 625-HPE
INSlOE
""'
(NOTE 31 CONN BLK
TIP
(G)
NOTES:
I.
SET �IRED FOR INDIVIOUAL OR BRIDGED RINGING.
TO
2. WHEN USED Willi KTS,
HOLD CONDITION �lN GOING ON-HOOI<. THE
RING
TIP AND LIN[ SWITCH
BRlAK BEFORE THE � LEAD CONTACTS
(FIELD ADJUSTMENT OF LINE SWITCH NOT
RECOMI'ENDED.)
3. l.lHEN USED WITH lA I O R IA2 KTS THE
(BK) AND {Y) LEADS BECOME A AND AI
n£
AND {m) LIN£ SWITCH L
Bf G
MOVED FROM L2 TO
-
INSULATED AMJ STOR£0
*
BSP 503-200-105-i01_1978-07-04.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
04BU�29 623P4 RINGER LINE
�:TG .JA�I'. (NOTE SWITCH
I)
ASSY (NOTE 2:1
CORrJ
f--- -- -- -- -7
f--- -- -- -- -7
soo n
soon
P ENT
R( (5)
V A FALSE
CQrHACTS
165on
'lUST
BREAK.
(5-�)
.
E t41ST
AD
OF t£MRK.
Fig. 3-2911 A 1-03 Telephone Set, Connections
Feb 08,2012 18:32:41
NETWORK
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CORD
REEL
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