Features
Interfaces
PC or Modem
Network
61200060L1-1
•
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
operated by a front panel keypad.
•
Timing is selectable from the network, from the Nx56/64
DTE port, or internally.
•
All ones, 3:24, 511 and 1:8 Test Patterns.
•
Extensive self test and monitoring provides assurance of
proper operation.
•
Flexible channel allocation (any starting channel and
alternate or contiguous).
The TSU is equipped with four interfaces. See Figure 1-3.
•
Network DSI interface per AT&T 621411
•
Nx56/64 serial V.35 high speed interface
•
Control input (RS232) / Chain port input
•
Chain port output
Control
Input
NI
TSU
Nx56/64
Chain
Chain
Output
Input
NI
Nx56/64
Figure 1-3. TSU Interfaces
TSU User Manual
Chapter 1. Introduction
Chain
Output
TSU
1-5