User Manual

AS4000 Wireless Local Loop
System Overview
IXL 001
605-0000-430
Issue 1.2 Date 7/4/99
Page 5 of 8
Glossary
Abbreviations
AC Alternating Current
AGC Automatic Gain Control
AIS Alarm Indication Signal
BER Bit Error Rate
BRA Basic Rate Access
CAS Channel Associated Signalling
CCS Common Channel Signalling
CDMACode Division Multiple Access
CRU Customer Radio Unit
DASS2 Digital Access Switching System No 2
EM AS8300 Element Manager
FDMA Frequency Division Multiple Access
FRU Field Replaceable Unit
GUI Graphical User Interface
GSM Global System for Mobile Communications
HCI Human Computer Interface
ISDN Integrated Services Digital Network
ISO International Standards Organisation
LE Local Exchange (of the host PSTN)
LNA Low Noise Amplifier
MCI Malicious Call Indication
MF Multi-frequency
N/A Not Applicable
NTE Network Terminating Equipment (ISDN).
NTU Network Termination Unit
O & M Operations and Maintenance
PA Power Amplifier
PAD Packet Assembler Disassembler
PCB Printed Circuit Board
PCM Pulse Code Modulation
PN Pseudo-random Noise
POTS Plain Old Telephony Service (analogue)
PPS Pulses Per Second (LD dialling)
PSDN Packet Switched Data Network
PSTN Public Switched Telephone Network