Chapter 1. Introduction
61200.129L1-1
TSU 120 User Manual
1
Chapter 1
Introduction
TSU 120 OVERVIEW
A functional description of the T1 multiplexers, a
description of the TSU 120 rear panel, and a summary
of the features of the TSU 120 is provided in this
section. The unit is shown in Figure 1-1.
OK TEST ALARM
OK TEST ALARM
OK TEST ERROR ALARM
DSU/DSX
MODULE
CSU
3
2
1
6
5
4
9
8
7
#
0
*
C
B
A
F
E
D
CLEAR
ALARM
REMOTE
REMOTE
SHIFT
HOME
COPY
CANCEL
TSU 120
ENTER
Figure 1-1
Front View of the TSU 120
Functional Description
The ADTRAN TSU 120 is one of several T1 multiplex-
ers that offers complete flexibility for connection of
various data sources to T1 or FT1 facilities. This
family of TSU multiplexers includes the TSU, TSU 100,
TSU 120, and the TSU 600.
TSU
The TSU is a T1 CSU/DSU with a single Nx56/64
serial port.
Содержание TSU 120
Страница 1: ...TSU 120 PART NUMBER 1200129L1 USER MANUAL 61200 129L1 1A July 1997...
Страница 52: ...Chapter 2 Installation 38 TSU 120 User Manual 61200 129L1 1...
Страница 111: ...Chapter 4 Example Operations 61200 129L1 1 TSU 120 User Manual 97 Figure 4 4 First Two Network NI Menu Items...
Страница 132: ...Appendix C System Configuration Charts 118 TSU 120 User Manual 61200 129L1 1...
Страница 138: ...Appendix D TSU 120 System Messages 124 TSU 120 User Manual 61200 129L1 1...