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