User manual

Chapter 1. Introduction
1-2 TDU 120e User Manual 61202156L1-1
The TDU 120e offers a wide variety of network management
options. You can manage via SNMP through the 10BaseT or
chain-in ports. If you are using T-Watch Pro, a Microsoft
Windows® program, you can manage the TDU 120e via the
same 10BaseT or chain-in ports. An enhanced VT-100
terminal interface is also provided.
Standard Features in the TDU 120e
The following list describes the standard features the
enhanced TDU 120e.
• A single T1 interface.
• A Nx/DBU V.35 port and 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
requirements.
• Easy configuration capabilities using simplistic menus
displayed on a terminal or computer connected to the
control port or the Craft Jack 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 secondary interface.
• QRSS; 511 test patterns using Nx option.
• Extensive self-testing and monitoring provides assurance
of proper operation.
• SNMP, Telnet, and T-Watch Pro management via SLIP or
10-BaseT
• Ability to proxy for “agentless” units
• Enhanced terminal mode