Nortel Networks BCM200/400 - Manual (Page 29)

Chapter 1 Getting started 29
BCM200/400 4.0 Installation and Maintenance Guide
Symbols and conventions used in this guide
These symbols are used to highlight critical information for the BCM system.
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
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.
Table 1 Acronyms (Sheet 3 of 3)
Acronym Description