Chapter 5 — Troubleshooting and Maintaining the CN3
122 CN3 Series Mobile Computer User’s Manual
You are setting up multiple access
points in a network, with different
SSIDs, and the connection fails.
The CN3 does not save WEP key values when changing
the SSID. Reenter the WEP key value after changing the
SSID and save your changes. You should now be able to
connect to the different access points.
The CN3 indicates it is not
authenticated.
Make sure that:
• the User Name and Password parameters on the CN3
must match the user name and password on
authentication server. You may need to reenter the
password on both the CN3, authentication server.
• on your authentication server, the user and group are
allowed and the group policy is allowed to log into
the server. For help, see the documentation that
shipped with your authentication server software.
• the IP address and secret key for access point must
match the IP address and secret key on the
authentication server. You may need to reenter the IP
address and secret key on both your access point and
authentication server.
• the authentication server software is running on the
server PC.
You receive a message saying “The
server certificate has expired or your
system date is incorrect” after you
perform a clean boot on the CN3.
Date and time are not saved when you perform a clean
boot. Reenter the date and time, and then save your
changes.
Problems While Scanning Bar Codes
Problem Solution
You cannot see a red beam of light
from the scanner when you press the
Scan button and aim the scanner at a
bar code label.
• You may be too far away from the bar code label. Try
moving closer to the bar code label and scan it again.
• You may be scanning the bar code label “straight on.”
Change the scanning angle and try again.
• Move within two feet of a wall to test the effective
scan of the scanner. For help scanning bar codes, see
“Scanning Bar Codes” on page 22.
The input device attached to the
computer does not work well or read
bar code labels very quickly.
Set the Scanner Model command to the specific
attached input device. Check enabled bar code
symbologies and enable only the symbologies being
used.
Problems While Configuring 802.1x Security (continued)
Problem Solution
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