8018653 1.1 List of acronyms • A-3
PDU Power Distribution Unit
PLMN Public Land Mobile Network
PSTN Public Switch Telephone Network
QACU Quad Analog Channel Unit
QATC Quad Analog Traffic Channel
RECC Reverse Analog Control Channel
RFMC Radio Frequency Modular Cabinet
RMA Return material Authorization
RMC Receive Multicoupler
RVC Reverse Voice Channel
SACCh Slow Access Control Channel
SCA Single Channel Amplifier
SOW Statement of Work
SS7 Signaling System 7
SPM Slot Processor Module
SSU Single Subscriber Unit
STM Switch Transcoder Module
T1 T1 Module
TDMA Time Division Multiple Access
TIA Telecommunications Industry Association
UMC Universal Monitor and Control
VAX DEC Computer System
VDU Video Display Unit
VLR Visitor Location Register
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