Toshiba Strata CTX670 - Page 171

PCB Installation
RCOU3A, RCOS3A – Four-Circuit Loop Start CO Line Interface Unit
Strata CTX I&M 10/02 4-21
PCB Installation
Figure 4-15 RCOU3A PCB
Figure 4-16 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