PCB Installation

RDSU – Digital/Standard Telephone Interface Unit

3.After installing the RDSU gently pull the RDSU outward. If the connectors are properly mated, a light resistance is felt.

Table 6-15 RDSU, RSTS Controls, Indicators, and Connectors

Control/Indicator/

Type of Component

Description

Connector

 

 

RSTS connector P2/P3

10-pin connector

Connector for RSTS subassembly that provides

RSTS connector P4/P5

two standard telephone circuits.

 

 

 

 

R48S connector to P6

8-pin connector

Interface connector for R48S.

 

 

R48S connector to P7

6-pin connector

 

 

 

 

R48S

P7

P7

P3

RSTS

P5

P4

P6

P6

P3

P2

P5

P4

RDSU1

P2

Figure 6-22 RDSU, RSTS PCBs

PCB Installation

Strata CTX I&M 06/04

6-31

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Toshiba CTX28 manual RDSU, Rsts PCBs PCB Installation