3653-04 4W ETO W/SC Installation Guide

2022-08-05
●GENERAL
■Document Purpose
▲This document provides installation instructions for the Charles Industries 3653–04 (Issue 6) 4W ETO W/SC Channel Unit.
■Equipment Function
▲The3653–04 4W ETO W/SC Channel Unit is designed for operation in a Charles Industries 360/363 D4 Digital Carrier Terminal to provide an interface to a 4-wire voice frequency extension on private lines with no DC signaling. The 3653-04 Block Diagram is shown in Figure 1. Additional information, such as applications, circuit description, etc., is available in Section 365-304-206.

Charles Industries

3653-04

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4W ETO Channel Unit

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User's Guide

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English Chinese Chinese and English Japanese

April 2001

Issue 6

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