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