150-506-100-03
Appendix D: Abbreviations
HRE-506 List 1 and List 2
March 28, 2000
45
A
PPENDIX
D: A
BBREVIATIONS
The following abbreviations are used throughout this technical practice.
Amp
Amperes
PRV
Pressure Relief Valve
ANSI
American National Standards Institute
PSI
Pounds Per Square Inch
ASV
Air Stem Valve and Cap
RCV
Receive
ATM
Asynchronous Transfer Mode
REA
Rural Electrification Administration
AWG
American Wire Gauge
RMA
Return Material Authorization
BISDN
Broadband Integrated Services Digital Network
RX
Receive
BT
Burst Tolerance
SONET
Synchronous Optical Network
BVV
Breather Vent Valve
TX
Transmit
cm
Centimeter
VBR
Variable Bit Rate
CO
Central Office
XMT
Transmit
CP
Customer Premises
V
Voltage
dB
Decibel
EDU
E1 Doubler Unit
EMI
Electromagnetic Interference
ERU
E1 Remote Unit
ESD
ElectroStatic Discharge
ETPR
Extended Thermal Plastic Rubber
HDSL
High bit-rate Digital Subscriber Line
HLU
HiGain Line Unit
HRU
HiGain Remote Unit
HRE
HiGain Remote Enclosure
HTC
HiGain Test Card
ICEA
Insulated Cable Engineers Association
IEC
InterExchange Carrier
ISDN
Integrated Services Digital Network
ISO
International Standards Organization
kHz
Kilohertz
k
Ω
Kilohm
LATA
Local Access and Transport Area
LEC
Local Exchange Carrier
LPU
Lightning Protection Unit
Mil
1/1000 of an inch
mm
millimeter
Ohms
Measures of resistance
PCV
Air Pressure Cutoff Valve
PE
Processing Element