ADTRAN 1202060L2-1, Руководство пользователя

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Chapter 1. Introduction
1202060L2-1 TSU LT User Manual 1-5
TSU LT Features
• A DS1 interface and an Nx56/64 DTE serial interface port.
• Easy configuration capabilities using simplistic menus
displayed in a liquid crystal display (LCD) window oper-
ated by a front panel keypad.
• Timing is selectable from the network, from the Nx56/64
DTE port, or internally.
• All ones, all zeros, 511, and 1:8 test patterns.
• Extensive self-testing and monitoring ensures proper op-
eration.
• Flexible channel allocation (any starting channel and al-
ternate or contiguous).
TSU LT Interfaces
The TSU LT is equipped with four interfaces:
• Network DS1 interface per AT&T 62411
• Nx56/64 serial V.35 high speed interface
• Control input (EIA-232)/Chain port input
• Chain port output
See Figure 1-3 and the following descriptions in this section.
Figure 1-3. TSU LT Interfaces
TS U
PC o r M o d em
Netwo rk
Nx5 6 /6 4
Co ntro l
Input
Chain
O utput
NI
TS U
Nx5 6 /6 4
Chain
Input
Chain
O utput
NI