Bell System Practices 630 Series Manual page 9

CONTROL UNIT
( NOTE 3!
55 A 558
12
0--
23 1 0
0--
1 9
0--
2 1
0--
30
0--
5
0-
1 0
0--
4
0--
1 4
0--
13
0--
2
0--
3
0--
29
19
�
35
0--
34 20
0--
33
0--
24
0-- -0
27
27
0--
36 36
0--
Fig. 7-.6300 or 6310 Telephone Set Connections Using Auxiliary Cord and External Transmitte ..
SSP S12-620-440-i05_1979-07-09.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 16, 2012 23:00:34
4 4A CONN BLOCK
!NOTE ()
I N S I DE W I RING CABLE
A I
R l
T l
P 3
P4
AG
LK
GRO
(NOTE 6)
M l
- 1 5 M2
P I
Fl
AI
I
NOTE 4)
BL
SP2
SPI
I
NOTE
5)
T F I
TF2
BLOCK D I OR CORD
I
NO.
( W-BR)
I
( BL-W)
( W-BL)
G
( W - )
IG-W)
-
9 I
W 0 )
( O - Wl
0
5
0
8
0
T I I A MOUNTING CORD
BLOCK
{NOTE 2)
NO 2
IBK)
I
I BR-BL)
2
IWI
(BL)
I
Y)
IRl
7
( G )
3
0
TO BUSY LAMP
8
CONTROLLED BY
SPEAKERPHONE
IG!
I
IR
(MD) OR
NOTES:
20 120
)
,
CONNECTIONS SHOWN ARE USED WHEN CONTROL UNIT IS LOCATED NEAR
TEL SET, IF CLOSE ENOUGH, CONNECTING BLOCK MAY BE ELIMINATED
BY TERMINATING CORDS FROM TEL SET, TRMTR, AND LOUDSPEAKER
DIRECTLY TO CONTROL UNIT. WHEN CONTROL UNIT IS LOCATED AT
EQU I P!o4ENT, EXTEND SPEAKERPHONE LEADS THROUGH CONNECTOR CABLE.
2.
INSULATE AND STORE SPARE CONDUCTORS IN DIOR AND TIIA CORDS.
3.
EITHER THE 55B OR 55A
TELEPHONE SETS. CONNECTIONS TO THE 55A CONTROL UNIT ARE THE
SAME WHETHER OR NOT THE UNIT HAS BEEN MOO IF
4.
PLACE STRAP WHEN BUSY LAMP IS PROV IDEO.
5. CONNECT SPI LEAD TO TERMINAL
WHEN REDUCED LOUDSPEAKER VOLUME IS DES I REO.
6. CONNECT LOCAL GROUND.
t-NETWORK TERMI NAL
ISS 5, SECTION 512-620-440
!NOTE 2)
A I
Rl
T l
P3
P 4
AG
LK
T7A
IBK-0)
I
S-BK)
IBK-Sl
I B L-Rl
(G-Y)
( 0 -BK)
IY-Ol
R2FK CORD
C O NT RO L U N I T MAY BE USED WITH THESE
I
EO FOR "TOUCH-TONE"
30
(ON 55B) OR TERMINAL 24 (ON 55A)
6300 O R
6310
TEL
SET TERM
I
2
I I
1 2
TRANSMITTER
6 66A 6668
( MD)
8
2 I
�
3
�
2
-0
7
-0
5
-0
9 6
-0
760A
LOUDSPEAKER
•
Page 9