National Instruments GPIB-BUF User Manual

National Instruments GPIB-BUF User Manual Manual pdf 13 page image

Chapter 1 Description of the GPIB-BUF© National Instruments, Corp. 1-3 GPIB-BUF User ManualThe GPIB-BUF Front PanelThe power switch and six Light Emitting Diodes (LEDs) are mounted onthe GPIB-BUF front panel. Figure 1-2 shows the front panel of theGPIB-BUF.GPIB-BUFIEEE-488 IEEE-488 BUFFERPOWER READY TALK LISTEN EMPTY FULLNATIONALINSTRUMENTSFigure 1-2. The GPIB-BUF Front PanelThe LEDs show the current status of the GPIB-BUF at all times. Thefollowing table describes each LED.Table 1-1. LED DescriptionsLED IndicationPOWER Indicates that power to the unit has been applied and theON/OFF switch is in the ON position.READY Indicates that the unit is running its power-on self-test(blinking), has passed its power-on self-test and is ready tooperate (steady on), or has failed the power-on self-test(steady off).TALK Indicates that the GPIB-BUF is configured as a GPIBTalker.LISTEN Indicates that the GPIB-BUF is configured as a GPIBListener.EMPTY Indicates that the internal data buffer of the GPIB-BUF isempty.FULL Indicates that the internal buffer of the GPIB-BUF is full.