Ericsson RBS 2106 Reference Manual page 485

SIR
SMS
SO
SS
Sub-RU
SVS
SW
SWR
SYNC
T1
TA
TC
TCB
TCH
TCH SIG
TD
TDMA
TDMA frame
EN/LZT 720 0008 P2A
2001-11-28
Small Indoor RBS
Short Message Service (point to point)
A short message, up to 160 alphanumeric
characters long, can be sent to or from an
MS (point to point).
Service Object
Swedish Standard
A sub-replaceable unit is always
connected to a superior Main RU. This
connection is used for example for
retrieval of the RU identity. A sub-RU
normally does not have a processor. Note
that an RU with a processor, which cannot
be loaded, is classified as a sub-RU.
System Voltage Sensor
SoftWare
Standing Wave Ratio
Synchronous
Transmission facility for DS1 (1544 kbit/s)
Timing Advance
A signal sent by the BTS to the MS which
the MS uses to advance its timing of
transmissions to the BTS to compensate
for propagation delay.
Transaction Capabilities
Transceiver Control Board
Traffic CHannel
The traffic channels carry either encoded
speech or user data.
Traffic CHannel Signalling
Transmit Data
Time Division Multiple Access
Multiplexing of several channels in a
common frequency band. Each channel is
assigned a certain time division, a time
slot.
GSM air interface time frame comprising
eight time slots
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Glossary
483 (485)