Chapter 1 Getting started 27

Table 1 Acronyms (Sheet 3 of 3)

Acronym

Description

 

 

QoS

Quality of service

 

 

RAI

Remote alarm indication

 

 

RAID

Redundant array of independent disks

 

 

REN

Ringer equivalence number

 

 

RFO

Redundant feature option

 

 

RPS

Redundant power supply

 

 

SAPS

Station auxiliary power supply

 

 

SELV

Safety extra low voltage

 

 

SSD

System status display

 

 

UPS

Uninterruptable power supply

 

 

USB

Universal serial bus

 

 

VMWI

Visual message waiting indicator

 

 

VOIP

Voice over Internet protocol

 

 

WAN

Wide area network

 

 

Symbols and conventions used in this guide

These symbols are used to highlight critical information for the BCM system.

Caution: Alerts you to conditions where you can damage the equipment.

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

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

Note: Alerts you to important information.

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

BCM200/400 4.0 Installation and Maintenance Guide

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Nortel Networks BCM200, 400 4.0 manual Symbols and conventions used in this guide, Getting started Acronyms Sheet 3