Toshiba Strara CTX Series - Page 141

PCB Installation
4-19
Strata CTX I&M September 2002
Figure 4-14 RCOU PCB
Table 4-10 PCOU2 Controls, Indicators, and Connectors
Control/Indicator/Connector Type of Component Description
Exchange line circuit 1 CD112 Red LED Lights to indicate that line circuit is in operation.
Exchange line indicator will not light unless PCOU is
connected to a Exchange.
Exchange line circuit 2 CD212
Exchange line circuit 3 CD312
Exchange line circuit 4 CD412
J1 connector Modular connector Interface connector for Exchange line circuits 1 and 2.
J2 connector Interface connector for Exchange line circuits 3 and 4.
Pad switch SW101 (circuit 1) 2-position slide switch Enables -3dB signal level drop for Exchange line
circuit.
Pad switch SW201 (circuit 2)
Pad switch SW301 (circuit 3)
Pad switch SW401 (circuit 4)
P11 P12
P14 P13
30
SW401
30
SW301
30
SW201
30
SW101
Red LEDs
CO Line Modular Jack Circuits 3 and 4
CO Line Modular Jack Circuits 1 and 2
J1J2
RCOS Connectors
RCOS Connectors
4 3 2 1
5810
Backplane Connector