Instruction manual
ABBREVIATIONS AND ACRONYMS
EBCDIC Extended Binary Coded Decimal Interexchange Code
EI Expansion Interface
EIA Electronic Industries Association
EMI Electro-Magnetic Interference
EPN Expansion Port Network
EPROM Erasable Programmable Read Only Memory
EPSCS Enhanced Private Switched Communications Services
ESF Extended Superframe Format
ETN Electronic Tandem Network
FAC Feature Access Code
FAS Facility Associated Signaling
FCC Federal Communications Commission
FIC Facility Interface Codes
FNPA Foreign Numbering Plan Area Code
FRL Facility Restriction Level
FSAC Field Support Administration Center
FX Foreign Exchange
GPTR General Purpose Tone Receiver
GRS Generalized Route Selection
HNPA Home Numbering Plan Area Code
IAS Inter-PBX Attendant Service
IC Inter-Cabinet
ICC Inter-Carrier Cable
ICI Incoming Call Identifier
ICM Inbound Call Management
IDDD International Direct Distance Dialing
IDI Isolating Data Interface
IE Information Element
INADS Initialization and Administration System
INS ISDN Network Service
INWATS Inward Wide Area Telephone Service
ISDN Integrated Services Digital Network
ISDN-BRI Integrated Services Digital Network-Basic Rate Interface
ISDN-PRI Integrated Services Digital Network-Primary Rate Interface
ISN Information Systems Network
ITP Installation Test Procedure
IXC Inter-Exchange Carrier Code
KBPS Kilobits Per Second
LAN Local Area Network
LDN Listed Directory Number
LED Light-Emitting Diode
LSU Local Storage Units
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