Appendix 1 Glossary 59
Liebert
®
ITA 5kVA And 6kVA UPS User Manual
Appendix 1 Glossary
AC Alternating
current
CSA Cross-sectional
area
DC Direct
current
DSP
Digital signal processor
EMC Electromagnetic
compatibility
EMI Electromagnetic
interference
ESD Electrostatic
discharge
ECO Economic
EOD End-of-discharge
FLP
Field lighting power system
I/O Input/output
MCB
Miniature circuit breaker
PE Protective
earth
PFC
Power factor correction
POD
Parallel power distribution unit
RCCB
Residual current circuit breaker
RCD
Residual current detector
SPM
Server power management system
STS
Static transfer switch
UPS
Uninterruptable power system