Bell System Practices 911A1 Manual page 3

W R
IN$10( I E
625-TYPE
(NOTE CONN BLK
3)
GRO AI
OR
N)TES:
SET WIRED FOR INDIVIDUAL
1.
2. WHEN USED WITH
KTS, TO
H:llD CONDITION �EN GOING QN-t()OK, THE
TIP AtlO RING LINE SWITCH CONTACTS P«JST
�EAK BEFORE A LEAD CONTACTS BREAK.
THE
(f IELO ADJUSTMENT-OF LINE SWITCH
NOT
RECO,..,. . E NOEO)
WHEN USED WITH /AI
'· OR
AND (Y) LEADS BECOME A AND AI
(BK)
ANO THE (BR) LINE SWITCH LEAD
BE I>'OVEO FROM L 2
TO
INSULATED ANO STeREO
*-
DIAL PULSE
OP-
DIAL OFF -NCR MAL
ON-
BSP 503-200-105-i01_1978-Q7-03.jpg Scanned by Frank Harrell, {Cowboy Frank) Castle Rock, Colorado Fe-b 08, 2012 18:32:27
RINGER
62'3P4
(NOTE
JA(f(
ASSY
�
�
�
�
(3K)
5o on
BRIDGED RINGING
CR
PREVENT A FALSE
IA2 KTS THE
p.u5T
G OF NETWO�
•
Fig. 2--911A 1-03 Telephone Set, Connections
LINE NETWORK
SWITCH
I
I
(NOTE 21
L1
d
(w)
(BK)
(BL)
e
•
DIAL
sc
CORD
REEL
. (BL)
IBLI
(G)
(R)
(9K)
HANDSET
--
Cit
!i
0
z