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PCB Installation
RCOU3A, RCOS3A – Four-Circuit Loop Start CO Line Interface Unit
6-26 Strata CTX I&M 06/04
Figure 6-18 RCOU3A PCB
Figure 6-19 RCOU PCB
P11
P12
P14
P13
30
SW401
30
SW301
30
SW201
MuP2
A
30
SW101
CO Line Modular
Jack Circuits
3 and 4
CO Line Modular
Jack Circuits
1 and 2
J1J2
RCOS Connectors
RCOS Connectors
Plug is not
used in the U.S.
and Canada
CO Line
LEDs
5904
Backplane Connector
4321
Chip LEDs
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