The Model Gpib-Mac Back Panel - National Instruments GPIB-MAC User Manual

November 1985
The following table shows what each LED indicates when lit.
POWER
READY
TALK
LISTEN
ATN

The Model GPIB-MAC Back Panel.

The
back panel of the GPIB-MAC is shown in the following figure.
The power connector, 9-position configuration switch, g-pin D-
subminiature connector, and GPIB (IEEE-488) port are shown.
4
indicates power is on.
indicates that the power-on self-test has passed
successfully and unit is ready to operate.
indicates that the GPIB-MAC is currently
addressed to Talk on the GPIB.
indicates that the GPIB-MAC is currently
addressed to Listen on the GPIB.
indicates that the GPIB signal line ATN* is
asserted (low).
indicates that the GPIB signal line SRQ* is
asserted (low).