SatLink VSAT User Guide
Publication no. 101557
Copyright © 2009 – STM Group, Inc.
Page 25 (160)
Figure 21 : TX Power Calibration
5. The CW frequency to be used for measurements during the calibration procedure is obtained from the
service provider or satellite operator.
6. Contact the satellite operator / control centre to clarify the line-up procedures for transmission power
calibration and fine adjustment and verification of polarization of the STM SatLink VSAT.
7. Push the Start Calibration button on the Line-up page to start automatic transmitter power
calibration. During this calibration, the transmit EIRP level is detected and the IDU output level is
automatically adjusted to the level required for transmitting with the configured EIRP level. Hence no
manual configuration of the IDU output power level or cable attenuation is required.
6.3.3 3rd party BUC line-up
When using other the 3
rd
party BUCs i.e. other than the SatLink 403x transceiver, the IDU output power
has to be manually adjusted during line-up by use of feedback from the system operator. Beware of the
risk of setting the IDU output level too high as a consequence of the antenna pointing not being
sufficiently accurate.
To Next Page
Loading...
