
Introduction
– continued
Apr 2001
V02.03
17
SC
TM
4812ET RF and Power Cabinet Hardware Installation Manual
DRAFT
Table 1-1: Acronyms
Acronym
Definition
EMPC6
Expansion Multicoupler Preselector Card (for 6–sector)
ETIB
SC 4812ET Interface Board
FRU
Field Replaceable Unit
GLI2
Group Line Interface 2
GPS
Global Positioning Subsystem
GFCI
Ground Fault Circuit Interrupter
HSO
High Stability Oscillator
HSOX
High Stability Oscillator Expansion Board
IIP3
Input Intercept Point
ISB
Inter–shelf Bus
LAPD
Link Access Protocol “D”
LAN
Local Area Network
LPA
Linear Power Amplifier
LPAC
LPA Control Board
LFR
Low Frequency Receiver
LMF
Local Maintenance Facility
MCC–1X
Multi–channel CDMA Card
MMI
Man–Machine Interface
MPC
Multicoupler/Preselector Card
MGB
Main Ground Bar
OSP
Outside plant
PB
Punch Block
PCSC
Personal Communications Switching Center
PSTN
Public Switched Telephone Network
PN
Pseudo–Random Noise
POTS
Plain Old Telephone System
PS
Power Supply
RGD
Remote GPS Distribution
RGPS
Remote Global Positioning System (GPS) Receiver
RFDS
Radio Frequency Diagnostic Subsystem
RX
Receive
SS
Stainless Steel
SAPB
Stand Alone Pilot Beacon
STLPA
Single Tone Linear Power Amplifier
STRAU
SuperCell Transcoder Rate Adaption Unit
TCH
Traffic Channel
1