Toshiba CTX28 Telephone User Manual


 
PCB Installation
RCOU3A, RCOS3A – Four-Circuit Loop Start CO Line Interface Unit
Strata CTX I&M 06/04 6-27
PCB Installation
Figure 6-20 PCOU2 PCB
Table 6-13 PCOU2 Controls, Indicators, and Connectors
Control/Indicator/
Connector
Type of Component Description
CO line circuit 1 CD112
Red LED
Lights to indicate that line circuit is in operation.
CO line indicator will not light unless PCOU is
connected to a CO.
CO line circuit 2 CD212
CO line circuit 3 CD312
CO line circuit 4 CD412
J1 connector
Modular connector
Interface connector for CO line circuits 1 and 2.
J2 connector Interface connector for CO line circuits 3 and 4.
Pad switch SW101 (circuit 1)
2-position slide switch
Enables -3dB signal level drop for CO line
circuit.
Pad switch SW201 (circuit 2)
Pad switch SW301 (circuit 3)
Pad switch SW401 (circuit 4)
J14
J13
J12
J11
J4 J3
30 30 30 30
SW801 SW701 SW601 SW501
RCOU
Connectors
RCOU
Connectors
Trunk Modular
Jack Circuits
7 and 8
Trunk Modular
Jack Circuits
5 and 6
Red LEDs
8 7 6 5
5812