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LXD381 — Evaluation Board for Octal E1 Applications Developer Manual

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Contents

1.0

General Description

.................................................................................................. 5

Features ................................................................................................................ 5

2.0

Evaluation Board Set-Up

......................................................................................... 7

LXD381 Packing List ............................................................................................. 7

Equipment Requirements...................................................................................... 7

Power Connections ............................................................................................... 7

Loopback Mode Selection ..................................................................................... 7

Receive Polarity Selection..................................................................................... 8

Output Enable Selection........................................................................................ 8

Unused Switches................................................................................................... 8

Back-End Interface Connection............................................................................. 8

Line Interface Connection ..................................................................................... 9

Line Interface Circuit ............................................................................................. 9

Board Protection.................................................................................................... 9

3.0

Evaluation Board Schematics

............................................................................. 10

Figures

LXD381 Evaluation Board ..................................................................................... 6

S2 Factory Switch Settings ................................................................................... 8

Typical Back-End Connector................................................................................. 9

Evaluation Board Schematic — Data/Control ..................................................... 10

Evaluation Board Schematic — Digital I/O.......................................................... 11

Evaluation Board Schematic — Analog 1 ........................................................... 12

Evaluation Board Schematic — Analog 2 ........................................................... 13

Tables

LOOP0 - 7 Switch Settings.................................................................................... 7