4. Monitoring the Unit8784-A2-GB20-30 February 2001 4-3Health and Status MessagesThe following messages appear in the first column of the System and Test Statusscreen. The highest priority Health and Status message also appears on all ATIscreens on the bottom right.Table 4-1. Health and Status Messages (1 of 2)Message What Message Indicates What To DoAIS at DSX-1,PtnAn Alarm Indication Signal(AIS) is being received by theDSX-1 interface.1. Verify that the unit’s lineframing and line coding arecompatible.2. Contact network provider.Device FailedyyyyyyyyAn internal error has beendetected by the operatingsoftware.yyyyyyyy indicatesthe 8-digit hexadecimalfailure code.1. Provide the 8-digit failurecode shown (yyyyyyyy) toyour service representative.2. Reset the unit to clear thecondition and message.Download Failed A firmware download wasinterrupted.Repeat the download.EER at DSX-1,PtnAn EER (Excessive ErrorRate) condition has beendetected on the DSX-1interface.1. Verify the attachedequipment coding iscompatible.2. Contact network provider.EER at Net, Ptn An EER (Excessive ErrorRate) condition has beendetected on the networkinterface at Portn. Thecondition is cleared when theerror rate falls below thethreshold value currentlyconfigured.1. Check the NetworkPerformance Statisticsscreen for possible lineimpairments.2. Set the unit to run at a lowerDSL line rate.LOF at DSX-1,PtnAn LOF (Loss Of Frame)condition has been detectedon the DSX-1 interface.1. Verify that the network cableis securely attached at bothends.2. Contact network provider.LOS at DSX-1,PtnAn LOS (Loss Of Signal)condition has been detectedon the DSX-1 interface. Nosignal is being received onPortn.Verify that the interface cable issecurely attached at both ends.LOS at Net, Ptn An LOS (Loss Of Signal)condition has been detectedon the network interface. Nosignal is being received onPortn, possibly due to a localnetwork problem.1. Verify that the network cableis securely attached at bothends.2. Contact network provider.