User Manual
1X UBS Macro B T S FRU Information Ov erview
Table 1 -1 Abbreviations and Acron yms (Continued)
Acronym
Deďnition
AN
Aggregation Node
A TP
Acceptance T est Plan
A WG American W ire Gauge
BMA
Breaker Module Assembly
BSI
Baseband Switch Interface
BS S Base Station System
BS SAN
Base Station System (BS S) Access Network. The BS SAN consists of a
R adio Access Network (RAN) and an AN . It may also include a Digital
Access and Cross-connect System to support split backhaul and a Selector
Distribution Unit (SDU).
BTS
Base Transceiver Station or Base Transceiver Subsystem
CB
Circuit Breaker
CBSC
Centralized Base Station Controller
CCW
Counter Clockwise
CDMA
Code Division Multiple Access
CE
Channel Element
CW
Clockwise
DC Direct Current
DIV
Diversity
DMI
Digital Module Internal
DMM
Digital Multi-Meter
E -GPS
External-GPS
ESD
Electro-Static Discharge
EV -DO
CDMA 1X Evolution - Data Only
FER Frame Erasure R ate
FRU
Field Replaceable Unit
FWD
F orward
GND
Ground
GPS
Global P ositioning System
HSO
High Stability Oscillator
IDI
Interworking DMI Interconnect
IDRF
Integrated Duplexer RX Filter
I/O Input/Output
IP
Internet Protocol
IP/OP
Customer Alarm Input/Output
Continued
68P09283A64 -3 1 -7
FOA SEP 2007