Lantronix UDS-10 UDS-10 / UDS100 - User Guide - Page 46

Problems and Error Messages, Troubleshooting and Contact Information, UDS10/UDS100 User Guide - ram error

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Troubleshooting and Contact Information UDS10/UDS100 User Guide Table 8-1. UDS10/UDS100 LEDs Serial LEDs 10 Mbps link/activity steady green Meaning Valid 10 Mbps network connection 10 Mbps link/activity blinking Network packets transmitting and receiving 100 Mbps link/activity steady green Valid 100 Mbps network connection 100Mbps link/activity blinking Network packets transmitting and receiving Collision blinking red Diagnostic steady red and status blinking green Diagnostic blinking red and status blinking green Network collisions 2 blinks = RAM error 4 blinks = EEPROM checksum error 5 blinks = Duplicate IP address on network 5 blinks = No DHCP response Status steady green Serial port not connected to network Status blinking green Serial port connected to network Problems and Error Messages Notes: ‹ When troubleshooting the following problems, make sure that the UDS is powered up and the Link LED is lit solid green. If the Link LED is not lit, then the physical network connection is bad. Confirm that you are using a good network connection. ‹ We recommend that you use a serial connection so you can view any diagnostic information sent out the serial port. Table 8-2. Problems and Error Messages Problem/Message When you issue the ARP -S command in Windows, The ARP entry addition failed: 5 message displays. Reason Your currently logged-in user does not have the correct rights to use this command on this PC. Solution Have someone from your IT department log you in with sufficient rights. When you attempted to assign an IP address to the UDS using the ARP method, the Press Enter to go into Setup Mode error (described below) displayed. Now when you Telnet to the UDS, the connection fails. When you Telnet into port 1 on the UDS, you are only assigning a temporary IP address. When you Telnet into port 9999 and do not press Enter quickly, the UDS reboots, causing it to lose the IP address. Telnet back into port 1. Wait for it to fail, then Telnet to port 9999 again. Make sure you press Enter quickly. When you Telnet to port 9999, the message Press Enter to go into Setup Mode displays. However, nothing happens when you press Enter, or your connection closes. You did not press Enter quickly enough. You only have 5 seconds to press Enter before the connection closes. Telnet to port 9999 again, but press Enter as soon as you see the message Press Enter to go into Setup Mode. 46

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Troubleshooting and Contact Information
UDS10/UDS100 User Guide
46
Table 8-1. UDS10/UDS100 LEDs
Serial LEDs
Meaning
10 Mbps link/activity steady green
Valid 10 Mbps network connection
10 Mbps link/activity blinking
Network packets transmitting and receiving
100 Mbps link/activity steady green
Valid 100 Mbps network connection
100Mbps link/activity blinking
Network packets transmitting and receiving
Collision blinking red
Network collisions
Diagnostic steady red and status blinking
green
2 blinks = RAM error
4 blinks = EEPROM checksum error
5 blinks = Duplicate IP address on network
Diagnostic blinking red and status
blinking green
5 blinks = No DHCP response
Status steady green
Serial port not connected to network
Status blinking green
Serial port connected to network
Problems and Error Messages
Notes:
When troubleshooting the following problems, make sure that the UDS is
powered up and the Link LED is lit solid green. If the Link LED is not lit, then
the physical network connection is bad. Confirm that you are using a good
network connection.
We recommend that you use a serial connection so you can view any
diagnostic information sent out the serial port.
Table 8-2. Problems and Error Messages
Problem/Message
Reason
Solution
When you issue the ARP –S
command in Windows,
The ARP
entry addition failed: 5
message
displays.
Your currently logged-in user does
not have the correct rights to use this
command on this PC.
Have someone from your IT
department log you in with sufficient
rights.
When you attempted to assign an IP
address to the UDS using the ARP
method, the
Press Enter to go into
Setup Mode
error (described below)
displayed. Now when you Telnet to
the UDS, the connection fails.
When you Telnet into port 1 on the
UDS, you are only assigning a
temporary IP address. When you
Telnet into port 9999 and do not
press
Enter
quickly, the UDS
reboots, causing it to lose the IP
address.
Telnet back into port 1. Wait for it to
fail, then Telnet to port 9999 again.
Make sure you press
Enter
quickly.
When you Telnet to port 9999, the
message
Press Enter to go into Setup
Mode
displays.
However, nothing
happens when you press
Enter
, or
your connection closes.
You did not press
Enter
quickly
enough. You only have 5 seconds to
press
Enter
before the connection
closes.
Telnet to port 9999 again, but press
Enter
as soon as you see the
message
Press Enter to go into
Setup Mode
.