Controls and IndicatorsWinLink User and Installation Guide Version 1.750 4-59Figure 4-1: IDU-E Front PanelThe following table describes the indicators:Table 4-1: Front Panel LEDsName Color FunctionPWR Green ON –Power supply is ON (IDU-E only)IDUWith Ethernet onlyWith TDMGreenGreenOrangeRedON – IDU operationalON – During power-up onlyON - During power-up onlyON – FailureODU GreenRedON – ODU-to-IDU communication link is operatingON – ODU-to-IDU communication link is disruptedLINK GreenOrangeRedON – Wireless link is synchronizedON – During installation mode onlyON – Wireless link lost synchronizationSERVICE GreenOrangeRedON – E1 or T1 line is synchronizedON – Alarm detected at the remote interfaceON – Local or Remote loopbackON – Alarm detected at the local interfaceODU/LAN IndicatorsThe ODU/LAN and TDM connectors (IDU-E rear panel, IDU-C frontpanel) have LED indicators that show the operating status. Thefollowing tables describe the indicators.Table 4-2: ODU/LAN LEDsName Color Function LocationLINK Green On – Good Ethernet link integrity ODU/LANconnectorsACT Orange Blinks according to the EthernettrafficODU/LANconnectors
