Bell System Practices 630 Series Manual page 6

SECTION 5 12-620-440
55 - TYPE
CONTROL UNIT
55 A 55B
2
8
Rl
19 I
Tl
21
P3
30
P4
5
AG
GRD
4
Ml
14
M2(-15)
3 s
0-
13
PI
29
AI-SG
2
rl
0-
7
R-RI
0-
6
B-BI
0-
16
R-RI
0-
15
B-81
34
SP2
33
SPI
24
27
Tf I
36 Tf2
BL
NOTES'
I WHEN CONTROL UNIT IS USED TO CUT Off RINGER OR BUZZER IN SET, CONN( CT
•
THESE LEADS AS SHOWH. INSULATE AND STORE
2.
INSULATE AND STORE (0-BKI
3. STRAP 26 TO 29(55A) OR
BY SPEAKERPHONE. USE DC LAMP OR BUSY LAMP CONTROL CIRCUIT
PER S0-69403-0 I.
4. CONNECT SPI LEAD TO 24(55A) OR 30(55B) WHEN REDUCED LOUDSPEAKER
2 M
VOLUME IS DES I REO.
0
5. 1 0 OR DI20K (MOl MTG CORD AND A75A CONN CABLE USED WITH 630DA/DAM TELEPHONE SET
C AND D200AA OR D200S (MD) MTG CORD AND AIOOD CONN CABLE USED WITH 631DA/DAM TELEPHONE SET. C
ONN E T
6. LOCAL GROUN
Page 6
SSP S12-620-440-i05_1979-07-06.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 16, 2012 23:00:32
A75A CONN CABLE
(G-W) BINDER OR
A 1000 CCJ<N CABLE
(S-W) BINDER
(NOTE 5)
COHN
(BL-Y)
16
(Y- )
BL
41
(Y-O)
42
(0-Y)
11
I
(Y-G)
43
(NOTE
I
61
(G-BK)
13
(BK-G)
38
(BR-BK)
14
I
(BK-BR)
39
I
(S-BK)
15
NOTE 3
I
(BK-S)
4o
I
I
(S-Y)
20
I
(Y-S)
45
I
TO KTU fOR CO�ON I
SIGNAL CONTROL
I
(0-BK)
12
( K-0)
B
N T 37
I I
O 4
E
20128 (MD)
OR 20120
TRNSF
TO BUSY CONTROLLE
LAMP D
BY SPEAKERPHONE (NOTE
3 )
15-Y)
(SRI
AND (BK-0) TO
21
TO 19(558) WHEN BUSY LAMP IS CONTROLLED
D
.
Fig. 4-t630DA/DAM or 631 DA/DAM Telephone Set, Connectionst
OR
TERM.
DI20K (MD) OI20M
BOARD
MTG CORD (G) BINDER
OR D200S (MDI OR
0200AA MTG CORD
5)
(S) BINDER (NOTE
PLUG
( L-Y)
B
(Y-BL)
(Y-0)
(0-Y)
(Y-G)
-
(G B )
K
(BK-G)
(BR-BK)
I
(BK- R)
B
(S-BK)
(BK-S)
I
I
NOTE I
(s-Y)
(Y-S)
I
I
NOTE 2
I
(0-BK)
(BK-0)
FROM (BLI BINDER.
AND (Y-Sl
PLUG.
NETWORK
13
RR
9
14
SLATE
I
38
(BR-BK)
(BK-BR)
47 I
(S-BK)
I
I
48
IBK-S)
4
A
19
51
52
760A
LOUDSPEAKER
I-679A-I
I
TRMTR
I
(BL)
61 I
(0)
I I
3
I (II) I
2
I
I
(Y)
I
I
I
(BR)
Ll
I
I I
I
I
(S)
I
(S-V)
I
L
_j
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