User's Manual

EX7100 Technical Manual - Troubleshooting
©1999 Exicom Technologies (1996) Ltd 5-3 Issue 1 - February 2001
Symptoms Possible Causes How To Fix Additional Comments
Antenna or feeder fault. Replace faulty antenna and/or
feeder.
Duplexer faulty or out of
alignment.
Check, align or replace Duplex
Filter.
Low transmit power, low RSSI and
poor VSWR
Transmit and/or receive frequency
incorrect.
Set terminals to correct transmit
and receive frequencies.
Low transmit power, VSWR &
RSSI OK
Transmit power set low. Set terminal to the correct transmit
power level.
Low transmit power, high bit error
rate, VSWR & RSSI OK.
Faulty Transmitter module or
Power Amplifier module.
See Sections 7.3 to 7.6.
Higher than usual bit error rate or
poor sensitivity, transmit power,
RSSI & VSWR OK.
Transmitter or receiver may have
drifted off frequency.
Return to Exicom for alignment.
Low RSSI reading. Can be caused by low transmit
power, feeder and/or antenna
problems, antenna alignment and
receiver problems.
Refer to the appropriate sections
of this manual.
Low transmit power or poor
receiver sensitivity usually cause
problems in one direction only.
Feeder and antenna problems
effect both directions of the link.