HP BladeSystem c-Class Site Planning Guide

Acronyms and abbreviations 68
Acronyms and abbreviations
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers
CPRA
ceiling plenum return air
DRA
ducted return air
EMI
electromagnetic interference
EMT
electrical metallic tubing
ESD
electrostatic discharge
LAHJ
local authority has jurisdiction
PDU
power distribution unit
RFI
radio frequency interference
RMS
root-mean-square
SRG
signal reference grid
TMRA
recommended ambient operating temperature