Symbols And Text Conventions - Nortel BCM50 3.0 Installation And Maintenance Manual

Table 1 Acronyms (Sheet 3 of 3)
Acronym
OSI
PCI
PEC
PSTN
PSU
QoS
RAI
RAID
REN
RFO
RMS
RPS
SAPS
SELV
SSD
UPS
USB
VMWI
VoIP
WAN

Symbols and text conventions

These symbols highlight critical information for the BCM50 3.0 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.
Description
Open switch interval
Peripheral component interface
Processor expansion card
Public switched telephone network
Power supply unit
Quality of service
Remote alarm indication
Redundant array of independent disks
Ringer equivalence number
Redundant feature option
Root mean square
Redundant power supply
Station auxiliary power supply
Safety extra low voltage
System status display
Uninterruptable power supply
Universal serial bus
Visual message waiting indicator
Voice over Internet protocol
Wide area network
Chapter 1 Getting started
Installation and Maintenance Guide
31