System information

FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Abbreviations
Page xxiv Proprietary Information Aastra
GF Optical Fiber
gFa Complete Firmware, active
gFp Complete Firmware, passive
GWF Co-Channel Radio Operation
HDB3 High Density Bipolar of Order 3
HDLC High Level Data Link Control
HQ High Quality
IBM International Business Machine Corporation
ITU
International Telecommunications Union -
Telecommunication Standardization Sector
KzK Signalling Channel
KZU Signalling Converter
LAN Local Area Network
LCT Local Craft Terminal - Local Maintenance and Operator Terminal
LE Line Terminating Unit
LE CU Line Terminating Unit for Copper Cables
LE GF Line Terminating Unit for Optical Fibers
LED Light-Emitting Diode
LQ Low Quality
LWL Fiber-Optic Cable
MCMI Modified Coded Mark Inversion
MM LWL Multimode Fiber
MSP Modular Service PC
MuP No Multipolling No.
MUX Multiplexer
MW Service Digits
N N-Bit, Non-Urgent Alarm
NF Voice Frequency
NK Network Node
NMS Network Management System
OB Local Battery
OS/2 Multitasking Operating System
p Passive Trunk Group
PC Personal Computer
PCM Pulse Code Modulation
Table 0.A: Abreviations
ABBREVIATION MEANING