
Chapter 1. Introduction
1-4
TDU 120e User Manual
61202156L2-1A
TDU 120e OPTION MODULES
Some of the option modules available for the TDU 120e
are:
DSX-1
Provides a short haul T1 interface for operation with a
PBX (Terminal Interface).
Full Drop and Insert
Permits the dropping of data and insertion of new data
into the same DS0 time slot.
This module includes a long haul DS-1 interface. It can
also be used as a second DS-1 interface to provide an up
to 3 MB aggregate throughput.
Nx56/64 serial interface
Provides a V.35 serial interface in either single or dual
versions.
Voice interface
Provides 2 or 4 channels FXS/FX0/E&M.
OCU DP
Interfaces to DDS or 4-wire Switched 56, dual or single
versions.
DSU DP
Provides two sync or async ports (EIA-232 or V.35).
Dial backup
Allows for backup of data upon network T1 failure.
U-BR1TE
Allows ISDN lines to be extended over a T1 line.
Summary of Contents for 1202155L1
Page 1: ...TDU 120e User Manual Part Number 1202156L2 1202155L2 September 2001 61202156L2 1C...
Page 20: ...Table of Contents xx TDU 120e User Manual 61202156L2 1...
Page 22: ...List of Figures xxii TDU 120e User Manual 61202156L2 1...
Page 24: ...List of Tables xxiv TDU 120e User Manual 612022156L2 1...
Page 42: ...Chapter 2 Installation 2 12 TDU 120e User Manual 61202156L2 1...
Page 92: ...Chapter 5 Configuration Menu 5 30 TDU 120e User Manual 61202156L2 1...
Page 108: ...Chapter 7 Test Menu 7 12 TDU 120e User Manual 61202156L2 1...
Page 116: ...Chapter 8 Remote Management Menus 8 8 TDU 120e User Manual 61202156L2 1A...
Page 124: ...Appendix A Understanding SNMP A 8 TDU 120e User Manual 61202156L2 1...