4588:: TTrroouubblleesshhoooottiinngg aanndd CCoonnttaacctt IInnffoorrmmaattiioonnThis chapter discusses how you can diagnose and fix errors quickly without having tocontact a dealer or Lantronix.It helps to connect a terminal to the serial port while diagnosing an error so you canview summary messages that may display. When troubleshooting, always ensurethat the physical connections (power cable, network cable, and serial cable) aresecure.Note: Some unexplained errors might be caused by duplicate IP addresses on thenetwork. Make sure that your unit's IP address is unique.LEDsThe UDS products contain the following LEDs, which help you diagnose problems. 10 Mbps Link/Activity (green) 100 Mbps Link/Activity (green) Collisions Diagnostics (red) Status (yellow)Simultaneously lit red and green LEDs mean something is wrong. If the red LED is litor blinking, count the number of times the green LED blinks between its pauses. Thefollowing table explains the LED functions:
