CO Line
LEDs
Figure 4-15
RCOU3A PCB
Figure 4-16
RCOU PCB
Strata CTX I&M
10/02
RCOU3A, RCOS3A – Four-Circuit Loop Start CO Line Interface Unit
RCOS Connectors
RCOS Connectors
RCOS Connectors
5810
RCOS Connectors
Plug is not
used in the U.S.
and Canada
Backplane Connector
5904
Backplane Connector
PCB Installation
4-21