PCB Installation
RDSU – Digital/Standard Telephone Interface Unit
4-26 Strata CTX I&M 10/02
3. After installing the RDSU gently pull the RDSU outward. If the connectors are properly mated,
a light resistance is felt.
Figure 4-19 RDSU, RSTS PCBs
Table 4-11 RDSU, RSTS Controls, Indicators, and Connectors
Control/Indicator/Connector Type of Component Description
RSTS connector P2/P3
10-pin connector
Connector for RSTS subassembly that provides
two standard telephone circuits.
RSTS connector P4/P5
R48S connector to P6 8-pin connector
Interface connector for R48S.
R48S connector to P7 6-pin connector
RSTS
R48S
RDSU1
P3
P4
P2
P5
P6
P7
P6
P3
P4
P2
P5
P7
13
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