Manual Part 7

RBS 2000 Glossary
RTN Return
RU Replaceable Unit
An RU consists of one or more HWUs. An RU may be
replaced by another RU of the same type. The RU is
the smallest unit that can be handled on site.
RX Receiver
RX1
Receiver antenna branch 1
RX2
Receiver antenna branch 2
RXA Receiver antenna branch A
RXB Receiver antenna branch B
RXD Receiver Divider
RXDA
Receiver Divider Amplifier
RXDP
Receiver Distribution Plane
RXLEV Measure of signal strength as defined in
GSM:05.08:8.1.4
RXQUAL
Measure of signal quality as defined in GSM:05.08:8.2.4
SACCH
Slow Associated Control CHannel
SCH
Synchronization CHannel
SDCCH
Stand alone Dedicated Control CHannel
Main dedicated signalling channel on the air interface,
mainly used for call locating and establishment.
SCU
Switching and Combining Unit
SE
Supervised Entity
SES
Severely Errored Second
SF
Slip Frequency
SID
Silence Descriptor
SIG
Signalling
SIM
Subscriber Identity Module
19 (24)
EN/LZT 720 0283 Uen R1B