Contents

ZyXEL Limited Warranty

ii

FCC Part 15 Information

iii

Contacting ZyXEL

v

1 Introduction

1

Key to Model Differentiation

2

Key Features of the omni

2

Speed and Compatibility

2

Intelligent Features

3

Technical Specifications

3

Physical Characteristics

4

U-Interface Option

4

Unpacking Your omni

4

How to Become a Registered Owner

5

2 Installing omni External Models

7

Front Panel

7

The LED Indicators

7

Front Panel Switch

9

Back Panel

9

Connecting to the Power Supply

10

Connecting to Your Computer

10

Connecting to Your ISDN Line

12

U Interface Model

12

S/T Interface

13

Power On and Self Diagnostics

13

3 Installing omni Internal Models

15

Selecting the Baud Rate Multiplier

15

vii

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ZyXEL Communications omni series user manual Contents