Front-Panel Indicators; Reset Button - Black Box Programmable Security Guard Manual

PROGRAMMABLE SECURITY GUARD

2.3 Front-Panel Indicators

There are 5 LEDs on the unit's right front panel.
• Power LED: Lights when power is present.
• RXDA: Flashes when Port A is receiving data.
• TXDA: Flashes when Port A is transmitting data.
• RXDB: Flashes when Port B is receiving data.
• TXDB: Flashes when Port B is transmitting data.
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2.4 Reset Button

The location of the reset button is shown in Fig. 3-1.
Any time you make changes to the internal switch
settings, you must press the reset button to activate
the changes. While the PSG is resetting, it cannot
process data.
NOTE: Disconnecting power from the PSG will also
reset the unit.