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TSU 120 OVERVIEW
Functional Description
61200.129L1-1
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.
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.
TSU 120 User Manual
Chapter 1. Introduction
Chapter 1
Introduction
Figure 1-1
Front View of the TSU 120
1
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