Bell 6B KTS Manual page 58

Key telephone system
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SECTION S 1 8-4 1 1 - I 00
812
832
B 1 0
TO
FUSE 2
81 1
B30
829
820
B33
8 1 4
835
TO J7B
2ND 48
4A KTU
834
815
816
B2
819
839
B3B
B 1 7
B 1 B
B37
B22
86
B26
B7
828
TO
FUSE 3
B27
BB
89
80
TO J8B
8 1 2
3RD 48
4A KTU
832
B31
810
8 1 1
830
829
Fig. 32 -Connections Between Plugs 12 and 1 to 4 of 572A1 Key Service Unit and 1 84C1 Backboard (Sheet
3 of 5)
Page 58
BSP 518-411-100-i01_1978-08-58.jpg
572A1 KSU
P2
1 (
27 (
2 (
28 (
3 (
29 (
4 (
30 (
5 (
3 1 (
7 (
33 (
8 (
34 (
9 (
35 (
1 1 (
3 8 (
4 0 (
4 1 (
4 2 (
4 3 (
46 (
21 (
22 (
23 (
49 (
50 (
25
Scanned b y Fra n k H arrell, (Cowboy Frank) Castle Rock, Colorado O c t 15, 2 0 1 2 2 1 :15:55
A25B
CONNECTOR CABLE
BLOCK A
COLUMN F
26
( O-W)
( W-G )
( G-W)
( BR-W )
( S-W)
( R-BL )
( R-O )
( 0-R )
( R-G )
( G-R )
( R-BR )
( BR-R )
( S-R )
( BK-BL )
( BL-BK )
( BK-O )
( D-BK )
( BK-G)
( G-BK )
( BK-BR )
( BR-BK )
--) 1 4
( BK-S )
( S-BK )
( BL-Y )
( Y-O)
( 0 - Y )
( Y-G )
( G-
)
y
( Y-BR )
( BR-Y )
( S-Y )
( V-BL )
( BL- V )
( V - O )
( O-V )
( V -G )
( G- V )
( V-BR )
( BR- V )
( S-V)
25
184C1 BACKBOARD
( SEE TABLE E )
1
T
R
A
L
TO
STATION 1 5
LG
O R 65
H
B
BZ
BZ1
T
R
A
L
15
TO
LG
STATION 16
OR 66
H
B
BZ
BZ1
T
R
A
L
TO
STATION 1 7
H
O R 6 7
BZ
R
A
35
T O
LG
STATION 1 B
H
o R
sa
B
BZ
BZ1
T
R
A
L
TO
LG
STATION 1 9
H
O R 69
B
BZ
BZ1

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