User's Manual Part 3

RBS 2109 User’s Guide
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
TIM
Transmission Interface Module
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
TMA-CM
Tower Mounted Amplifier – Control Module
TN
Time slot Number
TN O&M
Transport Network Operation and Maintenance (in
general)
TRA
Transcoder Rate Adapter
The TRA Unit (TRAU) in BSC performs transcoding
of speech information and rate adaptation of data
information.
TRS
Transceiver System
TRU
Transceiver Unit
TRX
Transceiver (combined transmitter and receiver)
TRXC
Transceiver Controller
TS
Time Slot
A 0.577 ms period (TDMA frame subunit) corresponding
to 156.25 raw bits of information. The eight time slots of
each TDMA frame are numbered 0...7.
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N/LZT 720 0090 Uen R1A 2004-09-17