User's Manual Part 4

RBS 2308 and RBS 2309 User’s Guide
DIP Digital Path
Function used to supervise connected PCM lines.
DM Degraded Minute
Distribution Module
DMCN Distributed Main CPU Node
DMRU Distributed Main Replaceable Unit
Main RU subordinated to the CMRU.
downlink
System-to-MS signalling direction.
DP Digital Path
Distribution Panel
DPX Duplexer
DRU Double Radio Unit
DS1 Digital Signal level 1 [1544 kbps]
DSP Digital Signal Processor
DSR Data Set Ready
DT Data Transcript
DTE Data Terminal Equipment
DTF Distance to Fault
dTMA Duplex TMA
DTR Data Terminal Ready
dTRU Double Transceiver Unit
DU
Distribution Unit [RU in CDU-D]
DUT Device under Test
DX Direct Exch
ange
Duplex
DXB
Distribution Switch Board
DXC Digital Cross-Connector
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EN
/LZT 720 0027 Uen R8A 2006-06-27