Powerware Power Protection Handbook for IBM 9910 International System i and System p Applications
10
Commonly-Used Acronyms
ABM Advanced Battery Management
AC Alternating Current
BBM Break-Before-Make (Bypass Switch)
BDM Bypass Distribution Module
BTU British Thermal Unit
CSA Canadian Standards Association
DC Direct Current
EBC Extended Battery Cabinet
EBM Extended Battery Module
EMEA Europe, Middle East, Africa
HW Hardwired
IEEE Institute of Electrical And Electronics Engineers
IP Internet Protocol
kVA Kilovolt ampere
LAN Local Area Network
MBB Make-Before-Break (bypass switch)
MTBF Mean Time Before Failure
MTTR Mean Time To Repair
NEMA National Electrical Manufacturers Association
NEC National Electrical Code
PBX Private Branch Exchange
PDM Power Distribution Module
PPDM PowerPass Distribution Module
PoE Power Over Ethernet
PUE Power Usage Efficiency
REPO Remote Emergency Power-off
RFI Radio Frequency Interference
RM Rackmount
RoHS Restriction of Hazardous Substances
SAN Storage Area Network
SNMP Simple Network Management Protocol
THD Total Harmonic Distortion
UL Underwriter’s Laboratory
UPS Uninterruptible Power System
USB Universal Serial Bus
VA Volt Amps
VoIP Voice Over IP
WAN Wide Area Network
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