AT&T 585-300-903 manual Or Kbyte, Abbreviations AB-3

Abbreviations AB-3

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EPROM	Erasable Programmable Read Only Memory
ES	Enhanced Services
ESS	Electronic Switching System
ETN	Electronic Tandem Network
EUCD	Enhanced Uniform Call Distribution
FAC	Feature Access Code
FP	Feature Processor (Subsystem)
FP-BI	FP Bus Interface (TN716B)
FP-CPU	FP Central Processing Unit (TN523 or TN591)
FP-PE	FP Processor Element (includes BI, CPU, and RAM)
FP-RAM	FP Random Access Memory (TN734)
FSD	Fixed Storage Drive (AUDIX-L)
FSW	Failure Status Word
GND	Ground
GPP	General Purpose Port (SN270B)
HDD	Hard Disk Drive (AUDIX)
HDLC	High-Level Data Link Controller
ID	Identification
IDI	Isolating Data Interface
INADS	Initialization and Administration System
INT	Interface Board 1 to 3 for System 75 SCI
IPC	Intelligent Peripheral Controller (TN507C on AUDIX-L)
ISCN	Information Systems Change Notice
ISDN	Integrated Services Digital Network
ISLU-T	Integrated Services Line Unit — T Interface
K or Kbyte	Kilobyte (1024 bytes)
LADS	Local Area Data Set
LAT	Local Administration Terminal
LDN	Listed Directory Number
LEC	Local Exchange Carrier
LED	Light-Emitting Diode
LMT	Local Maintenance Terminal
LWC	Leave Word Calling