National Instruments 800 Series User Manual

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National Instruments 800 Series User Manual Manual pdf 49 page image

Appendix C LED IndicatorsVXIpc 800 Series User Manual C-2 © National Instruments CorporationLEDs and System Startup CycleTable C-1 shows a system startup cycle and possible points of failure,up to and including the state in which the VXIinit initializationprogram asserts the ONLINE LED.Table C-1. LEDs and System Startup StatusStep LEDs Lit StatusPossible Problem ifVXIpc 800 Fails1 None Machine just turned on. The VXIpc 800 is not receivingpower.2 FAILED,SYSFAILNow asserting SYSFAIL becauseVXIbus interface has not beeninitialized yet.Power-on self configuration (POSC)cannot execute because of problemswith system reset or because thePOSCEN switch is incorrectlyconfigured.3 FAILED,TESTVXI interface is being initialized byMITE power-on self configuration(POSC) circuitry.POSC has stalled.4 TEST POSC circuitry has initialized VXIinterface, setting PASSED andDONE bits.POSC stalled before clearing theTEST LED.5 None POSC cycles are complete. VXI portis ready to respond to ResourceManager inquiries.POSC completed successfully;however, the Resource Managereither hung or was not executed.6 ONLINE Resource Manager has beenexecuted, indicating that the VXIsoftware can now communicate withthe VXI circuitry.Resource Manager interfaceinitialized successfully.