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AT&T 2630DA Service Manual page 15

Telephone sets

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Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04, 2012 15:41:17
LS
( O - W )
( Y-G I
(Y-B R )
l
( W - 0 )
( BL-Y
(G)
(R)
L2
(R)
S WITCH
MODIFICATION
LEAD
FROM
TO
L2 *
Y-BR
7
7
13
W-0
KSMJ5724LI
7-13
DIODE
13
L2 *
G
13
L2*
Rt
BL-Y
13
L2*
t
*
NET WORK
TER MINAL.
MOVE BOTH (R) LEADS
13
L2.
FROM TERMINAL
TO
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TO
AI
AG
BL
A
Rl
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(W)
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R
LS-
LINE
NOTE,
FOR BUSY LAMP CONTROLLED BY SPEAKERPHONE DNL Y, MOVE
(BR) LINE SWITCH LEAD
*·NETWORK TERMINAL,
I
ARE ON TERMINAL BOARD
I
-MOVE BOTH (R) LEADS FROM TERMINAL
·LEAD IN MI6C CORD
L-W
7-Station Busy Lamp Circuit with 4A Speakerphone
Fig.
fl:.
ISS 5, SECTION 502-61 2-401
LS
(Y)
(0-\1)
(Y-BR)
(W•O)
{W-0)
3
1
(BL·\1)
d
(G)
(R)
(R)
SWITCH
MODIFICATION
L2
LEAD
*
FROM
7
w-ot
Y·BR
KS·I5724L
I
13
Dl OD E
13
I
G
13
I
R
BL-\1
FROM TERMINAL
U NDESIGNATED TERMINALS
13
System
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4J
a
7
& ·W · j'l_;
9
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I
A
BL
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R (I)
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R
7
TO
13
7•13
L2
*
L2 *
L2 *
7
TO 13.
L2
TO
71
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