SECTION
S
1 2-620-440
CONTROL UNIT
!5 5 A *
5 5 B
I N S I DE
W I R I N G CABLE
1 2
A I
0-
28
R
I
0-
1 9
T l
0-
I
I R
0-
32
0-
I T
5
A G
0-
10
26
GRD
0-
( NOTE 5 )
2 1
PLACE
20
STRAP
4
7
M l
0-
1 4
1 6
- 1 5
M 2
0-
1 3
P I
0-
2
17
0-
3
s
0-
2
9
A
I
�
(NOTE
41
35
B
L
p
34
20
SP2
0-
33
S P I
0-
24
0- --0
I NOTE 3 1
27
27
TF I
0-
36
36
TF2
0-
44A CONN BLOCK
26300A/OAM
(NOTE
I)
BLOCK
NO.
I
4
I
6
LK
3
0
5
0
8
0
B
L
OC
K
NO. 2
2
4
5
7
0
8
9
OR 20120
TRNSF
OR
2631 DA/DAM
D I OR CORD
!NOTE 2 )
TEL SET TERM
(W -BR)
A
I
!BL-W)
R
l
1 3
I W-BLI
T l
( G -W I
I R
! W - G
I
IT
t
( W - 0 )
AG
7
!O-Wl
L K
4
T
R
ANSM
I T
TER
T i l A
MOUNTING CORD
T7A
666A
6668
( NOTE
2.)
I B K )
( BK-01
8
�
( BR- BLI
( 5 -BKI
I
--0
!WI
! B K-SI
3
--0
( B
L
)
( BL-R I
2
--0
I Y I
( G - Y I
7
--0
I R I
(0-BKI
8
5
--0
( G )
IY-01
9
6
--0
TO BUSY LAMP
760A
CONTROLLED BY
LOUDSPEAKER
SPEAKERPHONE
( G )
R 2 F K CORD
I R I
NOTES'
I .
CONNECT I ONS SHOWN
ARE USED WHEN CONTROL UN I T IS LOCATED NEAR
TEL S E T . I
r
CLOSE
ENOUGH, CONNEC T I NG BLOCK MAY BE E L I M I NATED
BY
TERM I NA T I NG
CORDS FROM T E L SET, TRMTR, A N D LOUDS PEAKER
D I RECTLY
TO
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 DE S I RED , CONNECT S P I LEAD TO
TERMINAL 24 (55A ) OR
30
(55B ) .
4 . PLACE STRAP WHEN BUSY LAMP I S CONTROLLED
B Y
SPEAKERPHON E .
USE
0C
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
Fig. 1 0- .2630DA/DAM or 263 1 DA/DAM Telephone Set Connections Using Auxiliary Cord and External
Transmitter.
Page 1 2
BSP 512·620-440-i05_1979-07-12.jps Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 16, 2012 23:00:37
