User Manual

Table Of Contents
RBS 2000Glossary
DCCH
Dedicated Control CHannel
Dedicated control channels carry signalling data.
DCCU
DC Connection Unit
ddTMA dual duplex Tower Mounted Amplifier
DF
Distribution Frame
DF Disturbance Frequency
DFU
Distribution and Fuse Unit
DIP DIgital Path
The name of the function used for supervision of the
connected PCM lines.
DM Degraded Minute
DM
Distribution Module
DMRU Distributed Main Replaceable Unit
If a Main RU is subordinated to the CMRU, it is said to
be distribute
d.
downlink Signalling direction from the system to the MS.
DP
Digital Path
DP Distribution Panel
DPX
Duplexer
DS1
Digital Signal level 1 (1544 kbit/s)
DSP
Digital Signal Processor
DT Data Transcript
DTE
Data Terminal Equipment
DTF Distance To Fault
dTMA
duplex TMA
dTRU double TRansceiver Unit
DU
Distribution Unit (RU in CDU-D)
8 (22)
E
N/LZT 720 0283 Uen R2A