AT&T 2634DA, Service Manual, Page: 14 / 15

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TABLE A
PICKUP-SIGNAL KEY CONVERSION-2634DA OR 2634DAM TELEPHONE SET (THIRD MODULE ONLY)
KEY PLUG LEADS
NO. OF
SIGNAL 1ST PICKUP 2ND PICKUP 3RD PICKUP 4TH PICKUP
5TH PICKUP
KEYS
BL Y-S BR·W W-S 0 V-BL W-BR W-S G V-0 G-W V-S BR V-G W-G
V-S
s
V-BR BR-W V-S
w
1
*
50 59 62
*
51 60 62
*
52 58 63
*
53 57
63
*
54
59
63 10
2
*
50
59 62
*
51 60
62
*
52
58 63
*
53
57 63 10 t
* *
10
3
•
50 59 62
.
51 60 62
*
52 58 63 10
t
*
.
10
t
• •
10
4
•
50
59 62
*
51 60
62
10
t
. *
10 t
* •
10 t
* .
10
5
*
50 59 62 10 t
* *
10 t
* .
10 t
. .
10
t
* .
10
6 10
t
* *
10
t
* *
10
t
. .
10
t
.
* 10 t
. •
10
*Insulated and stored.
t From
LG
terminal of plugs - insulate and store.
TABLE B
PICKUP-SIGNAL KEY CONVERSION-2635DA OR 2635DAM TELEPHONE SET (FIFTH MODULE ONLY)
KEY PLUG LEADS
NO. OF
SIGNAL
1ST PICKUP 2ND PICKUP 3RD PICKUP 4TH PICKUP 5TH PICKUP
KEYS
BL Y-5 W-G BR-BK 0 V-BL BR·W BR·BK G V·O W·BR BR-BK BR V-G
5-W
BR-BK
s
V·BR W-5 BR-BK
w
1
*
50 57 65
*
51
59 65
*
52 60
65
.
53
61
65
*
54 62 65 10
2
*
50 57 65
*
51 59 65
.
52 60 65
.
53 61 65 10
t
* .
10
3
*
50
57 65
*
51 59 65
*
52 60
65
10
t
•
.
10
t
* *
10
4
.
50 57 65
*
51 59 65 10 t
.
10 t
* *
10 t
* •
10
5 •
50 57 65 10
t
* •
10
t
. *
10
t
* .
10
t
* •
10
6 10 t
* •
10 t
*
.
10 t
*
.
10
t . .
10 t
*
.
10
*Insulated and stored.
t From LG terminal of plugs -insulate and store.
BSP 502-612-409-i04_1975-10-14.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04, 2012 16:16:23
6TH PICKUP
V-5 W-BR
t
*
t *
t •
t
.
t
*
t
•
6TH PICKUP
V·S G-BK
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.
t
.
t .
t
•
t
.
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•
V-5
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