10
Installation Guide
AT-UHD-CAT-4ED
Troubleshooting
Problem
Solution
What is the default static
IP address of the AT-UHD-
CAT-4ED?
•
192.168.1.254. However, by default the AT-UHD-CAT-4ED
comes with DHCP enabled. To use the static IP address,
see the instructions on page 6.
How do I determine the IP
address of the unit?
•
Connect an RS-232 cable from a computer to the RS-232
port and execute the IPCFG command.
What does the EDID button
do?
•
This button is used to switch between internal and
external EDID modes. Refer to the User Manual for more
information.
What is the current version
of firmware on the AT-UHD-
CAT-4ED?
•
To check the firmware version in the web GUI, login and go
to the Info page.
•
To check the firmware version using RS-232 or Telnet,
execute the
Version
command.
What is the firmware
upgrade procedure?
•
Refer to the User Manual for instructions on upgrading the
firmware.
The front-panel buttons are
not working.
•
Check to make sure that the AT-UHD-CAT-4ED is not
locked. If the LOCK LED indicator is blue, then the unit is
locked.
•
To unlock the unit using the web GUI, login and click the
Lock toggle button to the UNLOCK position.
•
To unlock the unit using RS-232 or Telnet, execute the
Unlock
command.
