4Preface

Symbols used in this guide

This guide uses symbols to draw your attention to important information. The following symbols appear in this guide:

Caution: Caution Symbol

Alerts you to conditions where you can damage the equipment.

Danger: Electrical Shock Hazard Symbol

Alerts you to conditions where you can get an electrical shock.

Warning: Warning Symbol

Alerts you to conditions where you can cause the system to work improperly or to fail.

Note: Note Symbol

Alerts you to important information.

Tip: Tip Symbol

Alerts you to additional information that can help you perform a task.

Warning: Grounding Symbol.

Alerts you to ground yourself with an antistatic grounding strap before performing the maintenance procedure.

Warning: Disconnect Symbol

Alerts you to remove the BCM1000 and Business Communications Manager expansion unit (BCM1000e) power cords from the AC outlet before performing any maintenance procedure.

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Nortel Networks BCM1000 manual Symbols used in this guide, Preface