Chapter 4. Status Menu4-4 ESU LT User Manual 61200410L1-1Alarms and ErrorsThe following are alarms and errors which can be seen.LOSS OF SIGNALNo signal detected at NILOSS OF FRAMENI unable to frame align with incoming FAS /NFAS framingpattern. Remote Alarm (Bit 3 of NFAS word) is transmitted outthe network interface.LOSS OF TS16 MFNI unable to sync on TS16 multiframe signal. Valid only whenCAS/TS16 framing enabled. Remote multiframe Alarm istransmitted out the network interface.LOSS OF CRC-4NI unable to sync on CRC-4 multiframe signal. Valid only whenCRC-4 framing is enabled. Remote Alarm is transmitted out thenetwork interface.AIS RECEIVEDUnframed ones being received at network interface.TS16 AIS RCVDUnframed ones being received in TS16 on network interface.Remote multiframe alarm transmitted out network interface.REMOTE ALARMRemote alarm signal (Bit 3 of NFAS word) being received atnetwork interface.REMOTE MF ALARMRemote multiframe alarm signal (Bit 6 of TS16 for threeconsecutive multiframes) being received at network interface.EXT CLOCK ALARMNo external clock at DTE.BPV/CV RCVDIndicates that a Bipolar violation has occurred when set forAMI line coding. Indicates that a code violation has occurredwhen set for HDB3 line coding.