User Manual Chapter 7

Chapter 7: Testing and Troubleshooting 7-23
Coverage Troubleshooting
Step 1. Do any CBSs communicate?
Problem Causes Possible Remedies
ISP or CBS in quasi-state
due to unknown problem.
Re-start base software. If no
improvement, power the CBS
hardware off and then on. If no
improvement, re-boot ISP.
Primary CBS is defective. Replace primary CBS.
Defective Power or
communications cabling
to primary CBS or
between primary and
secondary CBSs.
Check cabling.
CBS power is off. Power up CBS system.
Cannot communicate
with primary CBS.
RX/TX lights on
Ethernet hub or
Primary CBS not
blinking.
CBS communications are
closed or software is not
running.
Initiate CBS communications on
start software.
Step 2. Check for sources of RF noise.
Problem Possible Remedies
Site planning did not follow wireless LAN
or microwave oven co-existence
guidelines.
Verify that the site conforms to the
wireless LAN co-existence guidelines in
the Implementation Guide.
Store contains 2.4 GHz wireless LAN
system that was missed during the site
survey or added after infrastructure install.
Locate the wireless LAN access points and
modify the infrastructure according to the
wireless LAN co-existence guidelines in the
Implementation Guide.