User's Manual Part 4

RBS 2308 and RBS 2309 User’s Guide
CPU Central Processin
gUnit
CRC Cyclic Redundancy Check
CRCE CRC errors from far end.
CS Coding Scheme
CSA Canadian Standards Association
CSES Consecutive Severely Errored Second
CSU Channel Service Unit
CTS Clear to Send
CU Combining Unit [RU in CDU-D]
CUR Channel Utilization Ratio
CUT Channel Utilization Threshold
CV Code Violation
CXU Configuration Switch Unit
D/A
Digital-to-Analog
dB Decibel
dBm Decibels per Milliwatt
DB Database
DC Direct Current
DCC Digital Cross-Connector
DCCH Dedicated Control Channel [for signalling data]
DCCU DC Connection Unit
DCD Data Carrier Detect
ddTMA
Dual-Duplex Tower-Mounted Amplifier
DF Distribution Frame
Disturbance Frequency
DF-OVP Distribution Frame Overvoltage Protection
DFU Distrib
ution and Fuse Unit
276
EN/LZT 720 0027 Uen R8A 2006-06-27