User`s guide

System Troubleshooting
4-3
Problem and
Indication
Possible Cause Corrective Action
Failure to
establish wireless
link (“D”
models/external
antennas)
1. Power supply to units
may be faulty.
2. Cables may be
improperly connected
3. There may be some
problem with antenna
installation.
1. Verify power to units.
2. Verify that all cables are connected
securely.
3. Refer to previous Section and verify
wireless link between the units.
4. Verify that the antenna(s) are properly
installed (see relevant section in this
manual):
 Check antenna alignment.
 Verify that antenna polarization is the
same at both ends.
 Verify that the range matches
specifications.
 Verify line-of-sight/antenna
alignment/antenna height.