Extreme Networks ExtremeSwitching 5420 Series Installation Manual page 38

2000 W AC PoE Power Supply
The 2000 W AC PoE power supply has the status LEDs listed in the following table:
Table 8: 2000 W AC PoE Power Supply LED Status Indications
DC_OK
(left)
Green/1
Hz
flashing
Green
Red
*Power supply DC fail : OCP, OVP, UVP, OTP, fan.
38 ExtremeSwitching 5420 Series Hardware Installation Guide
AC_OK Description
(right)
Green AC present / only standby outputs on.
Green Power supply DC outputs on and OK.
Green Power supply failure. PSU shut down*.
Power Supplies for Use with Your Switch