Proface PS4800 - 19 Panel PC" - Manual (Page 54)

Physical Overview
54
Industrial Personal Computer LED Description
LED Description
The following figure shows the LEDs on the Industrial Personal Computer:
1 [Power] LED
2 [Disk] LED
3
[RUN] (Not supported)
4 [Link] (Not supported)
Status LED
The following table describes the meaning of the status LEDs on the Industrial
Personal Computer:
LED Color State Meaning
[Power] Green On Supply voltage is OK.
Red On The system is in standby mode (S5: soft-off mode or S4: hibernate mode -
Suspend-to-Disk).
Orange (1) On Supply voltage is not OK. The system is operating on battery power.
[Disk] Yellow On Indicates IDE drive access (CF, HDD, CD and so on).
[RUN] - - Not supported
[Link] - - Not supported
(1)
Only lit when UPS battery unit is installed.