Bell System Practices 1634 Service Manual page 6

2ND MODULE
D50L OR 050A, B (MD) MOUNTING CORO
/
>
FROM SHEET I
LEAO DESIGNATION
/ \
~ m o " m *
TEL SYSTEM
" w " ~ " "
APPARATUS CABINET
656A OR 596A KEY
050L 050A, B
TB21
CONNECTOR
lAi,l A2
(MO)
235-
(NOTE 101
CAELE T;;;
KEY'
A25B
CONN PLuG
Ofl $:
CIRCUITS
L
I
I
PICKUP
44<
(W-LIL1
B -Y]
J
OR SIG
26{
(s-w) mR-Y]
KEY (BL) mK]
:7
R)
T
[s-w]
*
1ST
KEY
(BR-BK) [s-Be
LAMP
;:( ,;; (g;p
[s-BK,
3<
2N0
, ,~
PICKUP
OR SIG
28(
.- ... -.
KEY
~
( )
[BR-GI
;9
(:K-S)
tlllll
[BR]
*
2N0
KEY
14
L 4MP
{ ) [
5
1
--IL
(
4
I
3R0
PICKUP
OR SIG
[
1
KEY
<
{
(G)
4I
3R0
)
[
KEY
'~i i%
(B
Ill * 3
.&
.
r
L7, S
,-- ...,
,!
I
I I
[B,. u,. , w . .
) 39>
,U,. "r. ,
L"r.1/,3,a,
4I
(<-w) rRR-Yl
--."-%
.
L8, S
LGB, C,S, SI
-"J
I I I I I I
,,zm - fl L]
@R]
%
(EL-Y) [8 K-BL]
I I [+ I I
>16>
(BL-Y)
I
L9, S
—
EIR-G3
{Y-EL) [BK-W]
1
}41
>
(Y-EL) LG9, c, s, SI
I
-
ULA
, r-", 1>1
*
4
33 ~ -.. , -—
-w
(O-Y)
,! -", um. -w
9<
(G-w) ~Ll
(Y-o)
4
[EL-W]
[s
1
>
LIO, S
LGIO,C,S, SI
Lll, S
LGII, C, S,SI
4TH -(
'"=w''+"-" '"
PICKUP
OR SIG
34<
(w-s] [OR-OK]
4 t
10+
(s) [G-BL2
[o-w:
*
35{
(Y-G)
5
17(
(G-Y] [0-BL]
YI
(G-Yl
42<
(Y-G)
s]
(W.r.l ,-,.,1 1
I
(Y-G)
KEY
5TH
"--= EY
[o-EL]
[0 -w]
>
b
';ip
-J=tl==2
II f' !.. -,
fil
ml-t
,.-,
I
.
PICKUP
OR SIG
${ ") '; : ~ - 'i
36
(w-s)
[BR-6KI
KEY
12
(w)
S-BR
(R)
Y-BK]
* 6
6TH
37
-Y
KEY
G-w
LAMP
+::+ .
~~=:1 X'*
+49+
+4.s+
+23+----
+24 +--
c"''" ";<! ! ! ! !,
TO SHEET 3
and Cord and Cable Fig. 2—Module
2 of 3)
Arrangements Connections for Telephone
I