Bell System Practices 630 Series Manual page 12

S
SECTION 1 2-620-440
CONTROL UNIT
!5 5 A * 5 5 B
1 2
A I
0-
28
R
0-
1 9
0- T l
I
I R
0-
32
I T
0-
5
A G
0-
10 26
GRD
0-
2 1
20
4 7
0-
M l
1 4
1 6
0-
- 1 5
1 3
P I
0-
2 17
0-
3
s
0-
2
9
�
A
(NOTE
35
B
34 20
SP2
0-
33
0-
SPI
24
0- --0
27 27
TF I
0-
36 36
TF2
0-
Fig. 1 0- .2630DA/DAM or 263 1 DA/DAM
Transmitter.
Page 1 2
BSP 512·620-440-i0 5_1979-07-12. jps
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
44A CONN BLOCK
(NOTE
I N S I DE W I R I N G CABLE BLOCK
I
LK
( NOTE 5 )
PLACE B
STRAP
NO. 2
M 2
I
41
L
p
I NOTE 3 1
OR 20120
TRNSF
I)
D I OR CORD
NO.
I
4
(W -BR)
I
! B L - W )
I W-BLI
6
( G -W I
I
! W - G
( W - 0 )
!O-Wl
3
0
5
0
8
0
OC
T i l A MOUNTING CORD
K
L
2.)
( NOTE
I B K )
( BR- BLI
2
!WI
4
( B )
L
5
I Y I
I R I
7
( G )
0
TO BUSY LAMP
8
CONTROLLED BY
SPEAKERPHONE
9
( G )
I R I
NOTES'
CONNECT I ONS SHOWN
I .
r
TEL S E T . I CLOSE
CORDS FROM T E L SET, TRMTR, A N D LOUDS PEAKER
TERM I NA T I NG
TO
D I RECTLY CONTROL UN I T . WHEN CONTROL UN I T IS LOCATED AT
EQUI PMENT , EXTEND SPEAKERPHONE LEADS THROUGH CONNECTOR CABLE.
2 .
INSULATE AND STORE CONDUCTORS I N D I OR AND T I I A CORDS.
3. If REDUCED LOUDSPEAKER VOLUME IS DES I RED , CONNECT S P I LEAD TO
TERMINAL 24 (55A ) OR
4 . PLACE STRAP WHEN BUSY LAMP I S CONTROLLED
0C
USE LAMP O R BUSY LAMP CONTROL C I RCU I T PER SD-69403-0 I .
5 . CONNECT LOCAL GROUND.
*
55A CONTROL UNIT MODIFIED FOR TOUCH- TONE,
t
INSULATED AND STORED
Telephone Set Connections
Feb 16, 2012 23:00:37
!NOTE 2 )
A
I
R
l
T l
I R
IT
AG
L K
T7A
( BK-01
( 5 -BKI
! B K-SI
( BL-R I
( G - Y I
(0-BKI
IY-01
R 2 F K CORD
ARE USED WHEN CONTROL UN I T IS LOCATED NEAR
ENOUGH, CONNECT I NG BLOCK MAY BE E L I M I NATED
30
(55B ) .
B Y
SPEAKERPHON E .
Using Auxiliary Cord
26300A/OAM
OR
2631 DA/DAM
TEL SET TERM
1 3
t
7
4
T A N S M TER
R I T
666A 6668
8
�
I
--0
3
--0
2
--0
7
--0
8 5
--0
6
9
--0
760A
LOUDSPEAKER
BY
and External