Tsu Lt Overview; Functional Description; Figure 1-1. Tsu Lt Unit - Front View - ADTRAN TSU LT User Manual

TSU LT Overview

Functional Description

TSU LT
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This section provides a functional description of the TSU LT,
describes its features, and illustrates its four interfaces.
The ADTRAN TSU LT is one of several T1 multiplexers that
offer complete flexibility for connection of various data
sources to T1 or FT1 facilities. This family of TSU
multiplexers includes the following:
TSU and TSU LT - T1 CSU/DSUs with a single Nx56K/
•
64K serial port.
TSU 100 - Same as the TSU with the added feature of a
•
slot in the rear panel to house an option module. Each
module offers up to four additional data ports.
• TSU 600 - Same as the TSU with the added feature of six
slots in the rear panel to house up to six option modules.
Each module offers up to four additional data ports for a
total of 24 possible data ports.
The TSU LT serves as the link between user data sources such
as local area network (LAN) bridges and routers, computers,
CAD systems, and teleconferencing equipment. The amount
of bandwidth allocated to the port is custom programmable.
The data terminal equipment (DTE) data can occupy
contiguous or alternate channels in the T1 stream, and the
channels may start at any position.
TSU LT User Manual

Figure 1-1. TSU LT Unit - Front View

Chapter 1. Introduction
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