2-4 Chapter 2System Boards❹ LED IndicatorsLEDLEDLEDLED ColorColorColorColor DescriptionDescriptionDescriptionDescriptionL1 LED blinks during system initialization.L2 LED blinks during normal system operation.PWR LED is on when power is normally supplied to system.OPER LED blinks during system software operation.LAN TX LED blinks during data transmission through LAN port.LAN RX LED blinks during data reception through LAN port.E1 SYNC LED is on if D-TRK clock synchronization fails.E1 LOSGreenLED is on if D-TRK signal is missing.r DIP SwitchSwitchSwitchSwitchSwitch DefaultDefaultDefaultDefault DescriptionDescriptionDescriptionDescriptionS1 OFF ReservedS2 OFF ReservedS3 OFF ReservedS4 OFF For D-TRK clock signal input, set to ON. Set to ON state duringan offline test (used in factory)S5 OFF For D-TRK signal data input, set to ON.ONOFF 1, 2 : BPS 0, 1 : 8bit operationON 3 : IP 0 : MSR[IP] initial value is oneS6OFF 4 : EARP 0 : Internal operationOFFON Reserved.S7 OFFOFF 3, 4 : ISB 1, 0 : Base address 0xFF000000ONON Reserved.S8 ONON 3, 4 : DBPC 0, 0 : Debug Port Configuration