2 - 76 Chapter 2Chapter 2 - Blade Installation and Startup2.7.5.2 LED IndicationsSwitch Name SwitchPosition Result CommentsSW1(#1)1-5 S/T Normal - S/T point interfaceU Use DSU This is not used in the U.S.6-8 TR ON Termination Resistor SetTR OFF No Termination ResistorSW2(#2)1-5 S/T Normal - S/T point interfaceU Use DSU This is not used in the U.S.6-8 TR ON Termination Resistor SetTR OFF No Termination ResistorLED IndicationOperation Status Operation StatusLive LED(green)Busy LED(red)On On Blade initializingFlashing(1 second)On Blade assignment refused (systemcapacity exceeded or softwareversion incorrect)Flashing(1 second)Trouble found during self-diagnostics routine.Flashing(100 ms)On Normal operation At least 1 channel busyOff All channels idleOff On Blocked blade At least 1 channel busyOff All channels idleFlashing(80 ms on/off x 3/400ms off)Downloading firmware
