Telephone User Manual

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
432 1
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