User Manual

Table Of Contents
sTRU Single Transceiver Unit
1 Product Overview
The sTRU is a 1-TRX replaceable unit. A TRX is a transmitter/receiver and
signal processing unit, which transmits and receives one carrier.
The sTRU has the same dimensions and the same backplane connectors as
other TRUs, but a slightly different front layout. The difference is an additional
Y link connection plus removal of the “test-call” button and indicator as well as
the test interface.
The sTRU has one TX connector and two RX connectors. The RX connectors
are used for 2-branch diversity.
1.1 Main Functions
The sTRU has the following main functions:
Transmits and receives one radio carrier
Processes signals
1.2 Variants
The sTRUs are available in versions for the following frequency bands:
GSM 900
GSM 1800
GSM 1900
2 Dimensions and Weight
The sTRU has the following dimensions and weight:
Table 1 Dimensions and weight
EN/LZT 720 0349 Uen R3A 3 (8)
Height Width Depth Weight
395 mm 69 mm 255 mm 5 kg