A-2 • List of acronyms 8018653 1.1
E1 E1 Module
E-TDMA Extended Time Division Multiple Access
FACCh Fact Access Control Channel
FCC Federal Communications Commission
FDMA Frequency Division Multiple Access
FOCC Forward Analog Control Channel
ESD Electrostatic Discharge
FTC Fixed Tuned Combiner
FVC Forward Voice Channel
GMH General Motors Hughes
GNSC Gateway MSC
GRP Global Resource Processor
GSM Groupe Special Mobile
HLR Home Locator Register
HNS Hughes Network Systems, Inc.
IS-54 Electronic Industry Association Interim Standard-54
ISDN Integrated Services Digital Network
kg Kilogram
LMT Local maintenance Terminal
m Meter
M&C Monitor and Control
MDM Modulator Downconverter Module
mm Millimeter
MS Mobile Station or Mobile Subscriber
MSU Multi-Subscriber Unit
MSC Mobile Switch Center
MTSO Mobile Telephone Switch Office
NEBS National Equipment Building Standards
NEC National Electric Code
NFPA National Fire Protection Association
NSC Network Services Center
NSS Network Services Subsystem
O&M Operations and Maintenance
OMC Operations and Maintenance Center
PABX Private Automatic Branch Exchange
PC Personal Computer
PCM Pulse Code Modulation