Tsu Lt Overview; Functional Description; Tsu Lt (P/N 1202060L2-1) Rear Panel; Figure 1-1. Tsu Lt Unit - Front View - ADTRAN TSU LT User Manual

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Chapter 1. Introduction

TSU LT OVERVIEW

This section provides a functional description of the TSU LT, describes its features, and illustrates its four

interfaces. Figure 1-1 shows the TSU LT.

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.

TSU LT

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.

Table 1-1 on page 23 identifies the TSU LT rear panel components illustrated in Figure 1-2.

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TSU LT User Manual

61202060L4-1

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