Monitoring the DSU6-8 7612-A2-GB20-00June 1997Table 6-1. Health and Status Messages (2 of 2)Message What To DoWhat Message IndicatesIn-band MgmtChannel FailThe IMC is not operational. Enable the IMC on the remote unit.Device FailyyyyyyyyAn internal error has beendetected by the operatingsoftware.yyyyyyyy indicatesthe 8-digit hexadecimal failurecode.1. Provide the 8-digit failure codeshown (yyyyyyyy ) to your servicerepresentative.2. Use the Clear command to clearthe message.3. Reset the DSU to clear thecondition and message.Ethernet LinkDownThe DSU detects no electricalactivity on the 10BaseT port.1. Verify that the Ethernet cable issecurely attached at both ends.2. Contact your LAN supporttechnician if problem persists.DSU Operational The DSU is functioningproperly and there are nostatus messages to display.No action required.Self-Test ResultsThe results of the last power-up or reset self-test appear in the middle column ofthe System and Test Status screen.Table 6-2. Self-Test Results MessagesMessage What Message Indicates What To DoDevice Fail One or more of the DSU’s integratedcircuit chips has failed device-leveltesting.1. Reset the DSU and try again.2. Use the Clear command toclear the message.3 Call your serviceMemory Fail DSU failed memory verification.3. Call your servicerepresentative for assistance ifthe message reappears.Passed The DSU has been plugged in orreset and has passed the diagnostictest. There are no other statusmessages.No action required.