2U12L6SW
6
7
English
2.5 PSU Panel Button and LEDs
AC
DC
AC
DC
!
1
3
5
4
2
No.
Description
1
Buzzer Mute Button
2
Power Supply Status LED
3
AC LED
4
DC LED
5
Fail/Warning LED
Buzzer Mute Button
Press the red Buzzer Mute button to stop the buzzer from making a sound and reset the
buzzer alarm. Alarm buzzer beeps when any of the power modules fails.
Status LED Definitions
Power Supply LED
Status
Description
Green
AC present / only standby output on
Power supply DC output ON and OK
Amber
PDB (Power Distribution Board) failure
Single module failure
Off
No AC to all PSU
AC LED
Status
Description
Green
AC present / only standby output on / CR-State
Flashing Green
(1Hz)
No AC power to this PSU
Off
No AC power to all PSU