Norsat O3b 10W BUC - Manual (Page 25)

© 2013 Norsat International Inc. Page 25 of 26
- Or, the BUC is faulty
 Contact Norsat for further support.
4) When External Mute became red on the BUC GUI window.
- +5V DC voltage is not applied to the External Mute pin
 Check the DC power supply that supplies +5V to the External Mute pin.
- Or, the BUC is faulty
 Contact Norsat for further support
B) RF output power is low even if SSPA is on
1) Gain setting on the BUC GUI window is too low
 Check gain setting on the BUC GUI.
2) Input IF power is too low to drive the BUC properly
 Check the output level of the IF power source.
3) IF cable or connectors has high insertion loss
 Check the IF cable or connectors.
4) RF cable or connector or WR28 waveguide adapter has high insertion loss
 Check the RF cable, connector, or WR28 waveguide adapter.
5) One of internal components are faulty
 Contact Norsat for further support.