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CHAPTER 18
Wi-Fi Network Troubleshooting Guide
Any wireless system consists of two or more Wi-Fi transceivers and a radio propagation path (Radio
Path). Problems encountered can be any of the following.
Symptom
Possible Cause
Presence of a low
power jammer
Wi-Fi communications
are inexistent or
intermittent
Presence of a high-
power jammer
Defective Wi-Fi
Adapter
The maximum wireless
operating range has
been exceeded
The controller has a
known technical issue
The Wi-Fi Adapter has
Radio signal path
been tested functional
might be obstructed
and there is no jammer
Router may have a
in the field to interfere
known technical issue
with the signal.
Table 38: Troubleshooting Wi-Fi Network Symptoms
ECLYPSE APEX
Solution
If the low power jammer is close to the transceiver antenna, move low power
jammer (PC, telephone, etc.) at least 6.5 feet (2 m) away from transceiver
antenna.
Change the Wi-Fi channel on the router. Use a Wi-Fi surveying or Wi-Fi
stumbling tool on a laptop computer to identify unused Wi-Fi channels that
may provide a better interference-free radio path.
Move the Wi-Fi Adapter's position where it has a clear line of sight to the
router.
Move the wireless router's position. Try moving the router to the center of the
room where it has a clear line of site to each wireless device.
Remove high power jammer if possible. If not, you will have to accept strong
range reduction or add another wireless router closer to the controller(s).
Use a wired Ethernet connection to the controller.
Exchange the wireless dongle with another Wi-Fi Adapter. If the dongle is
found to be defective, replace the dongle.
Add another wireless router closer to the controller(s).
Upgrade the controller's firmware. See
If a new screening or metal separation wall has been installed since the
network was set up, try moving the receiver to see if the issue is corrected.
Upgrade the router's firmware. See the manufacturer's Website.
Wi-Fi Network Troubleshooting Guide
User
Management.
169
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Table of Contents
Troubleshooting
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