Table of Contents
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Chapter 1. Introduction
4
DSX-1 Port
Connection
V.35 Connection
Power Switch
Power Cord
Fuse Holder
Chain Out
Control/Chain In
Network Receive
Monitor Jack
Network Output
Test Jack
Network Input
Test Jack
Network
Connection
Loopback
Test Connector
TSU 120 User Manual
RJ-45 connector for the DSX-1
port (terminal equipment)
High-speed V.35 digital data
interface
Used to turn power on or off
Input of permanent power cord
Placement of .5 A/250 V fuse
Connect to other TSU for
control
Control input
Monitor test jack for the
incoming T1
Output test jack for T1 interface
Input test jack for T1 interface
Used to connect to the T1 network
T1 loopback connector for
troubleshooting T1 installations
61200.129L1-1
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