Chapter 3 Operation WinLink1000 Installation and Operation ManualTable 3-3. TDM Traffic IndicatorsFunction Green LED Red LEDOK On OffAIS Off OnLOS Off OnLoopback On BlinkingNormal IndicationsUpon turning on WinLink1000, the PWR LED in the IDU-E front panellights to indicate that WinLink1000 is on.Table 3-4 shows the correctstatus of the indicators at power-up.Table 3-4. WinLink1000 Indicators at StartupIndicator Color StatusPWR Green ON (IDU-E only)IDU OrangeGreenON for short duration during startupON during normal operationODU Green ON shows normal operationAIR I/F OrangeGreenON for short duration during startupON shows normal operationSERVICE Green ON shows normal operationOFF when Service is configured forEthernet onlyIf the above LED indications do not appear following initial power turn-on, refer toChapter 5 for the diagnostic test instructions.3-4 Controls and Indicators