Bell System Practices 630 Series Manual page 10

S
SECTION 1 2-620-440
CONTROL UNIT
55
A* 558
12 2
A
0--
2 8 1 0
R
0--
19 I
T l
0--
I 6
IR
0-
32
IT
0-
5
I I
AG
0-
10
GRD
0-
21
20
4
7
0--
14
0-
\3
0-
2
0--
3 18
0-
29
19
�
35
0--
34 20
0-
29
33
0-
30
24
0-
-0
2 7 27
0--
36
0-
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
4 4A CONN BLOCK
(NOTE
I NS I DE W I R I N G CABLE
I
I
L K
( NOTE 5)
PLACE
STRAP
M l
- 1 5
M2
P I
FJ
AI
BL
p
SP2
SPI
( NOTE
3)
TFJ
TF2
I)
OIOR CORD
BLOCK
NO. I
4
(W-BRI
(BL-W)
( W-BL)
6
( G-W)
7
(W-G)
9
(W-0)
0
1
( O-W )
0
5
0
8
0
MOUNTING CORD
A
Til
BLOCK
( NOTE 21
2
NO
I
BK)
( BR-BL)
(W)
(BL
I
IYI
6
IRI
(G I
0
TO BUSY L A M P
C O NTROLLED BY
SPEAKERPHONE
9
(G)
10
IR I
IMDI OR
NOTES:
2012D
I .
TRNSF CONNECTIONS SHOIIN
TEL SET. IF CLOSE
BY
TERMINATING
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
24 (55A)
TERMINAL
PLACE STRAP WHEN BUSY LAMP IS CONTROLLED BY SPEAKERPHONE,
4.
DC
USE LAMP
OR
5. CONNECT LOCAL GROUND
55A CONTROL UNIT MODIF IED
*
(NOTE 2 )
A
I
R l
T l
IR
T
I
AG
L K
T 7 A
(BK-0)
( S-BKI
(BK-SI
8L-RI
I
( G - Y )
-
0
( BK
-
(Y
O
R2FK CORD
ARE USED \/HEN CONTROL UNIT IS LOCATED NEAR
ENOUGH, CONNECTING BLOCK MAY BE ELIMINATED
CORDS R M AND LOUDSPEAKER
F O TEL SET, TRMTR,
30
(558).
OR
BUSY LAMP CONTROL CIRCUIT PER SD-69403 - 01.
TOUCH-TONE.
FOR
OR
26300
26310 TEL
SET T E R M
I
2
5
9
TRANSMITTER
6 6 6 A 6 6 6 8
{MD )
8
I
-0
5
3
-0
2
-0
7
-0
8 5
I
-0
9 6
) -0
760A
LOUDSPEAKER