Toshiba Strara CTX Series Installation And Maintenance Manual page 140

PCB Installation
Table 4-9 RCOU3F Controls, Indicators, and Connectors
Control/Indicator/Connector
Exchange line circuit 1~4
indicators
J1 connector
J2 connector
Pad switch SW101 (circuit 1)
Pad switch SW201 (circuit 2)
Pad switch SW301 (circuit 3)
Pad switch SW401 (circuit 4)
RCOS connector P11, P12, P13,
P14
Mu Law/A Law jumper plug P2
Exchange
Line
LEDs
Figure 4-13 RCOU3F PCB
4-18
Type of Component
Red LED
Modular connector
Modular connector
2-position slide switch
10-pin male connector
3-terminal jumper
RCOS Connectors
RCOS Connectors
Description
Lights to indicate that line circuit is in operation.
(Exchange line indicator will not light unless
RCOU is connected to a Exchange line).
Interface connector for Exchange line circuits 1
and 2.
Interface connector for Exchange line circuits 3
and 4.
Enables -3dB signal level drop for Exchange
line circuit.
Interface connector for RCOS 4-circuit loop
start Exchange line unit.
No jumper plug is the default for the U.S. and
Canada. For countries requiring A Law, insert
the jumper plug (provided in the PCB box) on
the A Law side.
Backplane Connector
5904
Strata CTX I&M September 2002