DT Etherlink IV User Manual- 37 -Table 3.9 Ethernet LED behaviour according the device status3.3.2 Alarm LEDsThe alarm LED’s on any Etherlink_IV device (Master/Slave) light with red or amber if any alarmappears.ECASIF A Cable is not connectedLED LED Status Device StatusEthernet left LED Green Connection is activeOff Connection is not activeGreen blinking Data receive and/or transmitEthernet right LED Amber 100 Mbit/s receive/transmit rateOff 10 Mbit/s receive/transmit rateNameGroupAlarmstatusFront-PanelDSL«1», «2»«3», «4»Front-Panel &Connec-torE1 SIF«1», «2»Connec-torDSL«1», «2»«3», «4»DescriptionLOSDSLUrgentR R Loss of signal in an SHDSL linkLOSW R R Loss of frame alignment in an SHDSL linkLOSD R R Loss of signal at the remote SHDSL sideBER-H R R Block-error-rate in an SHDSL line accordingto G.826 30%SEGD R R Loss of signal or an alarm on a regenerationsegment (segment degradation)ALB Urgent &Non-urgent A R SHDSL analogue loop back is activatedSEGANon-urgentA R Data errors or loss of frame alignment on aregeneration segment (segment alarm)NM A R Noise Margin < setup NMTHR valueLA A R Line Attenuation > setup LATHR valueLOOP2 A R Loop is activated from the remote device tothe local deviceRCONF RConfiguration of the remote device is notcompatible with the configuration of the localdevice (for example, the local device isconfigured to transmit Ethernet data, whilethe remote device is configured to transmittwo E1 streams)LOS-SE1-1, E1-2,E1-3,E1-4 A Loss of signal on the Е1 sideLFA-S A Loss of frame alignment on the E1 sideAIS-S A Receiving AIS on the E1 sideBER-S A Excessive block error rate on the Е1 sideLOOP1 A Loop is activated towards the Е1 equipmentAIS-R A Receiving AIS on the E1 side of a remotedevice