Bell System Practices 2636CA Service page 13

1A, 1A1, AND 1A2 CONVERSION-2637DA, DAM TELEPHONE SET
KEY
HOLD KEY
MODULE
ARRANGE-
MENT
y
G
1A1/1A2
10 10
Only
1A1/1A2-
1st, 2nd,
10
12
3rd, 4th, Mod
1A-5th Mod
1A1/1A2-
1st, 2nd,
3rd Mod 10 12
1A-4th, 5th
Mod
1A1/1A2-1st,
2nd, Mod
10
12
1A-3rd, 4th,
5th Mod
1A1/1A2-
1st Mod
10
12
1A-2nd, 3rd
4th, 5th Mod
•
1A Only 10
• Insulated and stored.
t Remove (BR-Y) mounting cord lead. Insulate and store.
V-G V-G V-G
BR-V V-BR 1ST 2ND 3RD
MOD MOD MOD
• •
15 35
5
41 14 5 15 35
31 14 5 15 12
35
21 14 5 12
11 14 12 15 35
37t 13 5 15 35
8
TABLE
LEAD
CHAINING PLUG
R R R
V-G R
4TH 1ST 2ND 3RD 4TH
MOD MOD MOD MOD
MOD
9 11
45 21 31
9
12 11 21 31
45 9 11 21 14
9
14 31
45 11
9
14 21 31
45
45 37 11 21 31
ISS 5, SECTION 502-612-410
1
:CONTACT STRIP
OR PLUG
R R R R
R
1ST 2ND 3RD 4TH 5TH
MOD MOD MOD MOD MOD
9
11 21 31 41
9
11 21 31 14
9
11 21 14 41
9
11 31
14 41
9
14 21 41
31
37 11 21 31 41
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