8. Troubleshooting8-12 September 2002 9128-A2-GB20-80Secondary ClockFailedA failure of the configuredsecondary clock source forthe unit was detected andthe internal clock isproviding the timing for theunit.The clock source will notautomatically switch frominternal until the primaryclock source returns.Self-Test Failure The unit did not pass itsbasic verification tests whenit was powered on or reset. Reset the unit. Contact your servicerepresentative.SLV LatencyExceeded, DLCInnnn,frame relay link 1, 2, 3The measured latency ofSLV communicationresponses from the remoteunit on this DLCI isexcessive, so the DLCI hasbeen declared unsuitablefor normal multiplexed PVCoperation (DLCI Type is setto Multiplexed).Wait until the DLCI is declaredoperational again.If the unit has ISDN backupcapability, this condition willinitiate backup.SLV Timeout, DLCInnnn,frame relaylink 1, 2, 3An excessive number ofSLV communicationresponses from the remotesystem have been missedon the specified multiplexedDLCI and link.If the frame relay link isNet1-FR1, the timeout is onthe network FrameRly1timeslot assignment.When a hardware bypass-capable device has beendetected at the other end ofthe PVC and this conditionoccurs, only user data forEDLCI 0 will be transmittedas long as the conditionexists. Verify that the network LMI isup. If it is, contact your networkservice provider. If a DBM is present and AutoBackup is enabled, backup isinitiated automatically.Table 8-1. Alarm Conditions (6 of 7)Alarm Condition What It Indicates What To Do1nnnn indicates a DLCI number of 16 through 1007.2frame relay link is one of the following:– Net1-FR1. The frame relay link specified for the network interface, Network 1.– Port-n. The frame relay link associated with a user data port.–ISDN Link Name on a non-network ISDN DBM interface.3 Does not apply to a TS Access Management Link DLCI.