Lantronix 10 manual Problems and Error Messages

		Troubleshooting
Table 16 - Problems and Error Messages
Problem/Message	Reason	Solution
When you issue the ARP –S	Your currently logged-in user	Have someone from your IT
command in Windows, “The	does not have the correct rights	department log you in with
ARP entry addition failed: 5"	to use this command on this PC.	sufficient rights.
message displays.
When you attempted to assign	When you Telnet into port 1 on	Telnet back into Port 1. Wait for it
an IP address to the	the UDS/CoBox, you are only	to fail, then Telnet to port 9999
UDS/CoBox via the ARP	assigning a temporary IP	again. Make sure you press Enter
method, the “Press Enter to go	address. When you Telnet into	quickly.
into Setup Mode” error	port 9999 and do not press Enter
(described below) displayed.	quickly, the UDS/CoBox will
Now when you Telnet to the	reboot, causing it to lose the IP
UDS/CoBox, the connection	address.
fails.
When you Telnet to port 9999,	You did not press Enter quickly	Telnet to port 9999 again, but
the message “Press Enter to go	enough. You only have 5	press Enter as soon as you see
into Setup Mode” displays.	seconds to press Enter before	the message “Press Enter to go
However, nothing happens	the connection is closed.	into Setup Mode.”
when you press Enter, or your
connection is closed.
When you Telnet to port 1 to	You may have entered the	Confirm that the Ethernet address
assign an IP address to the	Ethernet address incorrectly with	that you entered with the ARP
UDS/CoBox, the Telnet window	the ARP command.	command is correct. The Ethernet
does not respond for a long		address may only include
time.		numbers 0-9 and letters A-F. In
		Windows and usually in Unix, the
		segments of the Ethernet address
		are separated by dashes. In some
		forms of Unix, the Ethernet
		address is segmented with
		colons.
	The IP address you are trying to	Confirm that your PC has an IP
	assign is not on your logical	address and that it is in the same
	subnet.	logical subnet that you are trying
		to assign to the UDS/CoBox.
	The UDS/CoBox may not be	Make sure that the Link LED is lit.
	plugged into the network	If the Link LED is not lit, then the
	properly.	UDS/CoBox is not properly
		plugged into the network.
When you try to assign an IP	The cause is most likely one of	Double-check the parameters that
with Device Installer, you get	the following:	you specified. Tip: You cannot
the following message:	The Hardware address you	assign an IP address to a
	specified is incorrect.	UDS/CoBox through a router.
“No response from device!	The IP address you are trying to
Verify the IP, Hardware	assign is not a valid IP for your
address and Network Class.	logical subnet.
Please try again.”	You did not choose the correct
	subnet mask.

UDS-10 User Guide 6-3