SECTION
S
1 2-620-440
CONTROL UNIT
55
A*
558
I NS I DE
W I R I N G CABLE
12
2
A
I
0--
2 8
1 0
R
I
0--
19
0--
I
T l
I
6
IR
0-
32
IT
0-
5
I I
AG
0-
10
GRD
0-
( NOTE 5)
21
PLACE
20
STRAP
4
7
M l
0--
14
-15
M2
0-
\3
P I
0-
2
FJ
0--
3
18
0-
29
19
AI
�
41
35
BL
0--
p
34
20
SP2
0-
33
29
SPI
0-
24
30
0-
-0
( NOTE
3)
2 7
27
TFJ
0--
36
TF2
0-
4 4A CONN BLOCK
26300
OR
(NOTE
I)
BLOCK
NO. I
4
6
7
9
L K
1
0
0
5
0
8
0
BLOCK
NO
2
6
0
9
10
IMDI OR
2012D
TRNSF
26310 TEL
OIOR CORD
(NOTE 2)
SET TERM
(W-BRI
A
I
I
(BL-W)
R l
2
( W-BL)
T l
( G-W)
IR
(W-G)
I
T
(W-0)
AG
5
( O-W )
L K
9
TRANSMITTER
Til
A
MOUNTING CORD
T 7 A
6 6 6 A
6 6 6 8
{MD )
( NOTE 21
I
BK)
(BK-0)
8
( BR-BL)
( S-BKI
I
-0
(W)
(BK-SI
5
3
-0
(BL
I
I
8L-RI
2
-0
IYI
( G - Y )
7
-0
IRI
(
0
-
BK
I
8
5
-0
(G I
(Y
-
O
)
9
6
-0
TO BUSY LAMP
760A
C O NTROLLED BY
LOUDSPEAKER
SPEAKERPHONE
(G)
R2FK CORD
IR I
NOTES:
I .
CONNECTIONS SHOIIN
ARE USED \/HEN CONTROL UNIT IS LOCATED NEAR
TEL SET.
IF CLOSE
ENOUGH, CONNECTING BLOCK MAY BE ELIMINATED
BY
TERMINATING
CORDS
F
R
O
M
TEL SET, TRMTR,
AND LOUDSPEAKER
DIRECTLy TO CONTROL UNIT. \/HEN CONTROL UNIT IS LOCATED AT
EQUIPMENT, EXTEND SPEAKERPHONE LEADS THROUGH CONNECTOR CABLE.
2.
INSULATE AND STORE SPARE CONDUCTORS IN DIOR AND TIIA CORDS.
3.
IF REDUCED LOUDSPEAKER VOLUME IS DESIRED, CONNECT SPI LEAD TO
TERMINAL
24 (55A)
OR
30
(558).
4. PLACE STRAP WHEN BUSY LAMP IS CONTROLLED BY SPEAKERPHONE,
USE
DC
LAMP
OR
BUSY LAMP CONTROL CIRCUIT PER SD-69403 - 01.
5. CONNECT LOCAL GROUND
*
55A CONTROL UNIT MODIF IED
FOR
TOUCH-TONE.
Fig.
8-.26300
or
26310
Telephone Set Connections Using Auxiliary Cord and External Transmitte ...
Page
10
SSP 512-620-440-i05_1979-07-10.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 16, 2012 23:00:35
