Toshiba Strara CTX Series Installation And Maintenance Manual page 138

PCB Installation
Table 4-8 RCOS3F Controls, Indicators, and Connectors
Control/Indicator/Connector
Exchange line circuit 5~8
indicators
J3 connector
J4 connector
Pad switch SW501 (circuit 5)
Pad switch SW601 (circuit 6)
Pad switch SW701 (circuit 7)
Pad switch SW801 (circuit8)
RCOU3F connector J11, J12,
J13, J14
Mu Law/A Law jumper plug P2
Exchange
Line LEDs
Figure 4-11 RCOS3F PCB
4-16
Type of Component
Red LED
Modular connector
Modular connector
2-position slide switch
11-pin female
connector
3-terminal jumper
RCOU Connectors
RCOU 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 5 and 6.
Interface connector for Exchange line circuits 7 and 8.
Enables -3dB signal level drop for Exchange line circuit.
Interface connector for RCOU3F. RCOS3Fcan be
connected with RCOU3F.
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.
5907
Strata CTX I&M September 2002