User Manual

Information Ov erview Chapter 1: Ov erview
Table 1 -1 Abbreviations and Acron yms (Continued)
Acronym
Denition
IS
Interim Standard
LAN
Local Area Network
LMF
Local Maintenance F acility
LMT
Local Maintenance T erminal
MGB
Master Ground Bar
MMI
Man Machine Interface
MMII
Mobility Manager II
MSC
Mobile Switching Center
MSN
Mobile Switching Network
MSO
Motorola Standard Oscillator or Medium Stability Oscillator
OMC-IP
Operations Maintenance Center - Internet Protocol
OMC-R
Operations Maintenance Center - R adio
P A
P ower Amplifier
PBH
P acket Backhaul: IP -based backhaul between the BTS and the network.
The UBS Macro BTS is configured for packet backhaul operation.
PC P ower Connector
PDU
P ower Distribution Unit
PPS or 1PPS
1 pulse per second
PSM
P ower Supply Module
PSTN
Public Switched T elephone Network
QHSO
Quartz High Stability Oscillator
RAN
R adio Access Network
RF
R adio Frequency
RFL
Reflected
RGD
Remote GPS Distribution
RGPS
Remote Global P ositioning System
RS SI
Receive Signal Strength Indicator
RU
R ack Unit
RX
Receive or Receiver
SDU
Selection and Distribution Unit
SPROC Site Processor
S SI
Site Span I/O or Site/Span Interface
TCH
Traffic Channel
TX
Transmit or Transmitter
Continued
1 -8 68P09283A64 -3
FOA SEP 2007