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61200410L2-1A
ESU LT User Manual
17
Chapter 1
Introduction
ESU LT
OVERVIEW
This section provides a functional description of the ESU LT,
describes its features, and illustrates its four interfaces.
Functional Description
The ADTRAN ESU LT (Figure 1-1) is one of several E1
CSU/DSUs that offer complete flexibility for connection of various
data sources to E1 or FE1 facilities. This family of ESU products
includes the following:
•
ESU LT
-
E1 CSU/DSUs with a single Nx56K/64K serial port.
•
ESU 120e
- Same as the ESU LT with the added feature of a
G.703 drop port and a slot in the rear panel to house an option
module. Each module offers up to four additional data ports.
Figure 1-1. ESU LT Unit
The ESU 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
PWR
TEST
ALM
ERR
TD
CS
RS
RD
CANCEL
ENTER
ESU LT
Summary of Contents for 1200410L2
Page 1: ...61200410L2 1A April 2004 ESU LT User Manual Part Number 1200410L2...
Page 12: ...Table of Contents 12 ESU LT User Manual 61200410L2 1A...
Page 14: ...List of Figures 14 ESU LT User Manual 61200410L2 1A...
Page 16: ...List of Tables 16 ESU LT User Manual 61200410L2 1A...
Page 20: ...Chapter 1 Introduction 20 ESU LT User Manual 61200410L2 1A...
Page 28: ...Chapter 2 Installation 28 ESU LT User Manual 61200410L2 1A...
Page 40: ...Chapter 4 Status Menu 40 ESU LT User Manual 61200410L2 1A...
Page 64: ...Chapter 7 Test Menu 64 ESU LT User Manual 61200410L2 1A...