Manual Part 7
RBS 2000Glossary
SIR
Small Indoor RBS
SMS
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).
SO
Service
Object
SS
Swedish Standard
Sub-RU
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.
SVS
System Voltage Sensor
SW
SoftWare
SWR
Standing Wave Ratio
SYNC
Synchronous
T1
Transmission standard, G.703, a 1544 kbit/s PCM link
TA 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.
TC
Transaction Capabilities
TCB
Transceiver Control Board
TCH
Traffic CHannel
The traffic c
hannels carry either encoded speech or
user data.
TCH/F
Traffic Channel, Full-rate
TCH/H
Traffic Channel, Half-rate
TCC
Transmission Coherent Combining
TCH SIG
Traffic CHannel Signalling
20 (24)
EN/LZT 720 0283 Uen R1B