Multitech MT56DSU-S, User Manual

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Contents
Chapter 1 - Introduction ..................................................................................... 5
1.1 Introduction ............................................................................................. 6
1.2 About This Manual .................................................................................. 6
1.3 Description ............................................................................................. 7
1.4 CSU/DSU Basics ................................................................................... 7
1.4.1 DSU Functions ..................................................................................... 7
1.4.2 CSU Functions ..................................................................................... 7
1.5 Features ................................................................................................. 8
1.6 Specifications ......................................................................................... 9
Chapter 2 - Front & Back Panel Descriptions ................................................ 10
2.1 Introduction ........................................................................................... 11
2.2 Front Panel ........................................................................................... 11
2.3 Back Panel ........................................................................................... 12
2.3.1 POWER Connector ............................................................................. 12
2.3.2 RS232 Connector ................................................................................ 12
2.3.3 LINE Connector .................................................................................. 12
2.4 Switch Settings..................................................................................... 13
2.5 Shunts .................................................................................................. 14
Chapter 3 - Unpacking & Setup ....................................................................... 15
3.1 Introduction ........................................................................................... 16
3.2 Unpacking ............................................................................................. 16
3.3 Telecom Safety Warnings..................................................................... 16
3.4 Setup .................................................................................................... 17
3.5 V.35 Shunt ............................................................................................ 18
Chapter 4 - Diagnostics .................................................................................... 19
4.1 Introduction ........................................................................................... 20
4.1.1 Loopback Test .................................................................................... 20
4.1.2 Line Loopback Test ............................................................................ 21
4.1.3 DSU Loopback Test ............................................................................ 21
4.1.4 DSU Back-to-Back Test ..................................................................... 22