Toshiba Strara CTX Series - Exchange Line Wiring Diagrams; MDF Wiring;Exchange Lines to PCOU

MDF PCB Wiring
6-15
Strata CTX I&M September 2002
Exchange Line Wiring Diagrams
Figure 6-12 MDF Wiring/Exchange Lines to PCOU
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KRONE
237A
A1
B1
A2
B2
A3
B3
A4
B4
A1
B1
A2
B2
To
Network
PCOU
1586
Power Failure
Standard Telephone
6-1
PFT
4
3
B
A
PCOU Only
6-1
CO1
#4
#3
#2
#1
Line LEDs
Signal Ground
(only required
for Earth Recall
in piggyback
application
)
Modular Socket for
Power Fail Connection
Pins 2 & 4 provide 24 VDC
(2 = -24 & 4 = GRD)
Line 4
Line 3
Line 2
Line 1