Bell System Practices 1634 Service Manual page 9

2ND MOOULE
D8LW OR OEOA (MD) MOUNTING CORO
/ \
/
656A OR
D80B D80A (MO)
FROM SH I
TB 22
/ \
598A KEY
KEY
0 v m < ~
(NOTE 10)
g 2 z " u c1 " I_l
CONN PLUG 2
,,, ~;:
(BR-WI [LIR-R]
(BL-w) [R]
I
i I
PICKUP
~: '~'" - ~ ~ ~ ~ - : ~ ']1
44
Iw-BL) R-Y
OR SIG C
26
(w-EIRI
[BR-GI
KEY OL) BK
,,, E
BK-BRI s-w
*
,:ge i
(8R-i3K)
S -ELI
(BK-BR)
[S-BKI
3
(w-G)
WI
PLUG I
28
(s-w) [eR-Y] {s-w)
[0)
[BR-Y]
[BR-GI
5
4
(BK-S) [BR]
*
(w-s) [BR -8KI
29
30
14
S-BK S-BR
(BR-BK) S-8L
14
39
(EIK-S) [s-w]
[OK-OR) [s-w]
(BR-W) [BR-RI
39
5
2
(S-13K) [S-BRI
(BK-S) [BR]
15
40
PICKUP
OR SIG
c
KEY
,," E
L;;: =
PICKUP
OR SIG
c
KEY
::; &
CHAINING
SWITCH
i=~
) i'] "" ' ' ~
A
30
(s-w) [SIR-Y]
6
(G BR -W
(Y-BL) BK-W
*
31
15
(BL-Y)
ISK-BL iBL-Y)
[BK-BL]
(Y-SL) [ORl
>
16
40
(W-6R)
(y-BL)
[BK-W]
7
BR-G
41
3
32
8
33
16
41
9
34
10
35
17
42
11
36
12
37
18
43
50
49
4B
23
24
<
(s-w) [OR-Y]
(BR} [R-EL]
4 )
f
(Y-o)
[s]
*
(o-Y) [BL-WI 1
(o-Y)
(Y-o)
[BK-wI
[BL-WI
~
(Y-o) [s]
>
17
(
(BR-W)
[BR-RI
42
t I
4
<
(w-s) [BR-BK]
+
(s)
[G-BLI
?--
*
<
(Y-G)
[o-w]
<
(G-Y)
[0-BL]
I
(C-Y) [O-EL]
(Y-G)
[s1
A
(Y-G) [o-w]
>
18
<
(W-BR) [BR-GI
43
4#
5
(
(w-s)
[BR-BKI
1111111
(w)
[S-BR]
,-, ,.. . .. .
+
+
+
G 21 +------
46 ~
Fig. 3—Module Arrangements
2 of 5)
and
cONNECTOR LEAO DESIGNATION
CABLE
A40A
TEL SYSTEM
APPARATuS CABINET
236-TYPE
1A, IA2 OR 6A
KTU LINE
CIRCUIT
L%
a
z
z
CONN I
>(
s-w)
CE
(w-s)
CF
~(OR-EJK)
L7
(BK-BR1 . LG7, c, s, s!
; [S-BK)
~ L8
(BK-S)
LG8, c, S,sl
(o-Y) LIO
> (Y-o)
I
LGIO, C, S, S1
I
(G-Y)
Lll
> (Y-G)
I LGII, C, S, S1
I
(21R-YI L12
> (Y-ORl
i
LG12, c, s, SI
\ /
TO SH 3
Cord and Cable Connections for 1635-Type (MD) Telephone Sets (Sheet