Nokia MetroHopper User Manual page 126

Radio with fc rri/fxc rri
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NRZ
Non-return-to-Zero
OU
Outdoor Unit
PC
Personal Computer
PDH
Plesiochronous Digital Hierarchy
PMR
Professional Mobile Radio
PRBS
Pseudo−Random Binary Sequence
PWR
Power Supply Connector / power switch
Q1
Nokia's proprietary management interface (= V.11)
RBER
Residual Bit Error Ratio
RD
Received Data
RF
Radio Frequency
RPE
Radiation Pattern Envelope
RRI
Radio Relay Interface
RRIC
Integrated radio interface unit for Nokia Talk-family base stations
Rx
Receiver
SB
Supervision Block
SDH
Synchronous Digital Hierarchy
SES
Severely Errored Seconds
Sync
Synchronisation
TD
Transmitted Data
TDD
Time Division Duplex
TNC
Threaded RF coaxial connector
TQ
Threaded 4-pin connector
TRU
Base Station Transmission Unit
TRX
Transceiver
TT
Total time
DN99593058
© Nokia Networks Oy
Issue 2-1 en
Abbreviations
5 (10)

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