Chapter 1. Introduction
61202156L2-1A
TDU 120e User Manual
1-3
Standard Features in the TDU 120e
The following list describes the standard features in the
enhanced TDU 120e.
•
A single T1 interface.
•
An Nx/DBU V.35 port and a DS-1 (PBX) interface.
•
An inband communication channel requiring only 8k
of bandwidth from a single DS0.
•
One option slot to house option modules with up to
four additional ports, including voice and data.
•
Allows mix of port types to meet the data interface re-
quirements.
•
Easy configuration capabilities using simplistic
menus displayed on a terminal or computer connect-
ed to the control port on the rear of the unit or the
craft port on front of the unit.
•
Two programmable configuration maps that define
the bandwidth allocation between data ports.
•
Data drop and insert, as well as full drop and insert.
•
Flash memory for software updates.
•
Timing is selectable from the network, from the
Nx56/64 or DS-1 ports, internally, or from a second-
ary interface.
•
QRSS; 511 test patterns using Nx option.
•
Extensive self-testing and monitoring provides assur-
ance of proper operation.
•
SNMP, Telnet, and T-Watch PRO management via
SLIP or 10-BaseT
•
Ability to proxy for “agentless” units
•
Enhanced terminal mode
•
Fractional T1 loopbacks as defined in Annex B of
ANSI T1.403-1995
•
Software configurable long-haul or short-haul DS-1
port
•
External alarm connector
•
External alarm monitor
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...