Toshiba Strata CT, Installation & Maintenance Manual

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Universal Slot PCB Wiring
4-2
Strata CT I&M Manual October 2000
Station Wiring Diagrams
Digital Station Wiring
1
A/B wires are always required; PA/PB are additional power wires required only for long station runs per.
PA/PB may be used with normal station runs also.
2
Voltage levels:
A, PA = 26.3~27.8 VDC
B, PB = 0.0 VDC (GND). Reference to SG ground.
Figure 4-1 MDF Wiring for Digital Telephones (DKTs) with or without PCIU and DDSS
Console to PDKU
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W-BL
BL-W
W-O
O-W
W-GN
GN-W
W-BR
BR-W
W-S
S-W
R-BL
BL-R
R-O
O-R
R-GN
GN-R
R-BR
BR-R
R-S
S-R
BK-BL
BL-BK
BK-O
O-BK
BK-GN
GN-BK
BK-BR
BR-BK
BK-S
S-BK
Y-BL
BL-Y
Y-O
O-Y
Y-GN
GN-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-GN
GN-V
V-BR
BR-V
V-S
S-V
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27
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25
KRONE
237A
To PDKU
W/Female Connector
25-Pair Cable W/Male Amp Connector
Circuit 2 to DKT 2
Circuit 3 to DKT 3
Circuit 4 to DKT 4
Circuit 6 to DKT 6
Circuit 7 to DKT 7
Circuit 5 to DKT 5
or DDCB
(-) A1 (Voice/Data)
(GND) B1 (Voice/Data)
(-) PA1 (Add, Power)
(GND) PB1 (Add. Power)
A2
B2
PA2
PB2
A3
B3
PA3
PB3
A4
B4
PA4
PB4
A5
B5
PA5
PB5
A6
B6
PA6
PB6
A7
B7
PA7
PB7
(-) A8 (Voice/Data)
(GND) B8 (Voice/Data)
(-) PA (Add Power)
(GND) PB (Add Power)
Not Used
6 5 4 3 2 1
3 4 2 5
PB AB PA
Jacketed Twisted Pairs
CW1308 0.5mm Station Cabling
6 5 4 3 2 1
3 4 2 5
PB AB PA
Digital Telephone
(with or without PCIU)
DDSS Console
(Circuit 8 Only)
or...
Digital
Telephone (DKT 8)
(See Note 1)
Modular
Cord
Modular
Cord
BS6312
BS6312
DB25 Female
Connector
RS-232 Cable
To Personal
Computer
H
C