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Symptom
A dialog box with the message
"Ethernet connection error." is
displayed.
A dialog box with the message
" Already connected to another
SRM Manager" is displayed.
A dialog box with the message
"Connection time out." or "Invalid
SDCP packet." is displayed.
124
Troubleshooting
Assumed causes
You are trying to connect multiple
monitors with the same IP address to a
PC.
The monitor or the device for connecting
the monitor is turned off.
The cable connection between the
monitor and PC is not correct.
• One of the four IP addresses used for
the monitor is set to the same as that
for the connected PC.
• Any of the four IP addresses used for
the monitor are set to the same as
those used for the devices connected
via a network.
The Windows OS is slow in data
processing or there may be a problem
with the application in use.
• The SRM Manager has not been
registered in the list for the firewall
setting.
• The port is not unblocked in the
firewall setting.
The monitor you are to connect with
your PC is operated by SRM Manager
installed on another PC.
The monitor or the device for connecting
the monitor is turned off.
The cable connection between the
monitor and PC is not correct.
Any of the four IP addresses used for
the monitor are set to the same as those
used for the devices connected via a
network.
The Windows OS is slow in data
processing or there may be a problem
with the application in use.
Remedy
• Close all open applications, and click Start to select
[Programs] and [Accessories], and open [Command
Prompt]. Enter "arp –d" then press the Enter key.
• Reboot the PC.
• Check that the MAIN POWER switch on the
connected monitor is turned on. If not, turn it on.
• Check that the power of the LAN hub is turned on. If
not, turn it on.
Check that the cable is connected correctly. If not,
connect it correctly (page 31).
• Change the IP address of the monitor in the
Network setup window of a web browser (page 34).
• Change the IP addresses of the devices that are the
same as those of the monitor connected via the
network.
• Turn off the LAN hub then turn it on after changing
the IP address, since the LAN hub may store the
abnormal status in memory.
• Reboot the PC.
• Close any open applications.
• Reboot the PC.
• Unblock the SRM Manager in the firewall setting.
Refer to the operating instructions supplied with the
firewall software used.
• Unblock TCP port number 53484 in the firewall
setting.
The monitor cannot be operated by multiple SRM
Manager applications.
Disconnect the monitor from the other PC then
connect it to your PC.
• Check that the MAIN POWER switch on the
connected monitor is turned on. If not, turn it on.
• Check that the power of the LAN hub is turned on. If
not, turn it on.
Check that the cable is connected correctly. If not,
connect it correctly (page 31).
• Change the IP address of the monitor in the
Network setup window of a web browser (page 34).
• Change the IP addresses of the devices that are the
same as those of the monitor connected via the
network.
• Turn off the LAN hub then turn it on after changing
the IP address, since the LAN hub may store the
abnormal status in memory.
• Reboot the PC.
• Close any open applications.
• Reboot the PC.

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