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9400000-J0 Rev E
11. Acronyms and Definitions
AC
Alternating current
ANSI
American National Standards Institute
AWG
American Wire Gauge
BTU
British thermal unit
CAN
Controller area network
CEC
Canadian Electrical Code
CSA
Canadian Standards Association
CX
Cordex
®
series; e.g., CXC for Cordex System Controller
DC
Direct current
DHCP
Dynamic Host Configuration Protocol
EIA
Electronic Industries Alliance
EMC
Electromagnetic compatibility
EMI
Electromagnetic interference
ERM
Electromagnetic Compatibility and Radio Spectrum Matters
ESD
Electrostatic Discharge
FCC
Federal Communications Commission (for the USA)
GSM
Group Speciale Mobile (global system for mobile communications)
HVSD
High voltage shutdown
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IP
Internet Protocol
LED
Light emitting diode
LVD
Low voltage disconnect
MIL
One thousandth of an inch; used in expressing wire cross sectional area
MOV
Metal oxide varistor
MTBF
Mean time between failures
NC
Normally closed
NEC
National Electrical Code (for the USA)
NO
Normally open
OSHA
Occupational Safety & Health Administration
OVP
Over voltage protection
RAM
Random access memory
RU
Rack unit (1.75”)
TCP/IP
Transmission Control Protocol / Internet Protocol
THD
Total harmonic distortion
UL
Underwriters Laboratories
VRLA
Valve regulated lead acid
