Reference Manual

Glossary
TEI Terminal Endpoint Identifier
TEI is an identification code carried by a
LAPD frame as a terminal connection
endpoint within a Service Access Point
(SAP).
TEMS TEst Mobile Station
TF Timing Function
TG Transceiver Group
Timing bus The timing bus carries air timing
information from the timing unit in the
DXU to the TRUs.
TLS Terrestrial Link Supervision
TM Transport Module
The Transport module is non-RBS
equipment belonging to the transport
network.
TMA Tower Mounted Amplifier
There are three types of TMAs: dTMA,
rTMA and ddTMA. ⇒ dTMA ⇒ rTMA
⇒ ddTMA
TMA CM Tower Mounted Amplifier Control Module
TN Time slot Number
TN O&M Transport Network operation and
Maintenance (in general)
Tora ASIC in the TRU
TRA Transcoder Rate Adapter
The TRA Unit in BSC performs
transcoding of speech information and rate
adaption of data information.
Tracy ASIC in the TRU
TRS Transceiver System
TRU Transceiver Unit
TRX Transceiver (combined transmitter and
receiver)
TRXC Transceiver Controller
TS Time Slot
484 (485)
EN/LZT 720 0008 P2A
2001-11-28
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Preliminary