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AT&T 636CA Service Manual page 14

Telephone sets
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SECTION 502-61 0-418
FEATURE
Cutoff
Ringer in
Set (Note 1)
Cutoff Ext
Ringer or
1)
Buzzer (Note
Cutoff
Ext
Station
(Note 4)
Insulate and store.
*
Notes:
1. Remove (BR-BK) and (BK-BR) slate plug leads from terminals 10 and 29, insulate and store.
2. To individual line or common ringer circuit at equipment.
3. To external ringer or buzzer. Connect ringer or buzzer circuit to (Bl-Y) (Y-BL) connector cable leads at equipment.
4. Connect T, R, and A leads from equipment and station to be cut off through contacts of auxiliary relay. Connect battery to relay
winding. Use 227B or 421A KTU.
14
Page
14
Pages
BSP S02-610-418·i04_1975-03-14.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
CUT OFF KEY (635AD5C) CONNECTIONS
635AD5C
MOUNTING
KEY
ADAPTER
(BL) BINDER
BL-Y
Y-BL
BL-Y
.
TB1-1
TB1-2
TB1-1
TB1-2
TB1-1
.
.
TB1-1
TABLE
D
CONNECTOR CABLE
CORD
(BL-WI BINDER
Y-BL
G·BK
.
Note 2
Note 3
TB1-2
TB1-2
Feb 04,2012 14:39:15
RINGER
BK-G
BK-BR
BK
TB1-1
To
To
Aux .
Relay
Relay
Grd
PLACE
STRAP
A
(Net.)
to
TB1-2

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