Lantronix UDS10 User Manual

Also see for Device Server UDS 10: User guide Hardware guide

Contents

Lantronix UDS10 User Manual Manual pdf 46 page image

Troubleshooting and Contact Information UDS10/UDS100 User Guide46Table 8-1. UDS10/UDS100 LEDsSerial LEDs Meaning10 Mbps link/activity steady green Valid 10 Mbps network connection10 Mbps link/activity blinking Network packets transmitting and receiving100 Mbps link/activity steady green Valid 100 Mbps network connection100Mbps link/activity blinking Network packets transmitting and receivingCollision blinking red Network collisionsDiagnostic steady red and status blinkinggreen2 blinks = RAM error4 blinks = EEPROM checksum error5 blinks = Duplicate IP address on networkDiagnostic blinking red and statusblinking green 5 blinks = No DHCP responseStatus steady green Serial port not connected to networkStatus blinking green Serial port connected to networkProblems and Error MessagesNotes: When troubleshooting the following problems, make sure that the UDS ispowered up and the Link LED is lit solid green. If the Link LED is not lit, thenthe physical network connection is bad. Confirm that you are using a goodnetwork connection. We recommend that you use a serial connection so you can view anydiagnostic information sent out the serial port.Table 8-2. Problems and Error MessagesProblem/Message Reason SolutionWhen you issue the ARP –Scommand in Windows, The ARPentry addition failed: 5 messagedisplays.Your currently logged-in user doesnot have the correct rights to use thiscommand on this PC.Have someone from your ITdepartment log you in with sufficientrights.When you attempted to assign an IPaddress to the UDS using the ARPmethod, the Press Enter to go intoSetup Mode error (described below)displayed. Now when you Telnet tothe UDS, the connection fails.When you Telnet into port 1 on theUDS, you are only assigning atemporary IP address. When youTelnet into port 9999 and do notpress Enter quickly, the UDSreboots, causing it to lose the IPaddress.Telnet back into port 1. Wait for it tofail, then Telnet to port 9999 again.Make sure you press Enter quickly.When you Telnet to port 9999, themessage Press Enter to go into SetupMode displays. However, nothinghappens when you press Enter, oryour connection closes.You did not press Enter quicklyenough. You only have 5 seconds topress Enter before the connectioncloses.Telnet to port 9999 again, but pressEnter as soon as you see themessage Press Enter to go intoSetup Mode.