Display, Audio Alarm And Control Button - FSP Technology EP 1000 Series Specification

10 Display, Audio Alarm and Control Button

10.1 Control button
ON/ OFF Button: Push it to turn on UPS, and push again to turn off UPS. (Please refer
to Chapter 3 for cold start & AC start)
10.2 Audio alarm
The buzzer is controlled by pin16 of CPU. When CPU sends a HI signal to buzzer from
pin16, buzzer is beeping. And CPU sends LOW signal to stop buzzer.
10.3 Display ( Figure S-8-A and Figure S-8-B)
There are 3 LEDs (Vesta 1000) or 6 LEDs (Vesta 1500/ 2000) on the front panel.
While control button is turned on, CPU sends a HI signal to turn on LED.
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Figure S-8-A 3 LEDs Display Circuit
Rev. A