The AC power supply is installed on the rear panel of the switch. Table 1 describes the LEDs on the AC power supplies.
Table 1: AC Power Supply LEDs
LED | State and Description |
|---|---|
AC OK |
|
DC OK |
|
![]() | Note: If the AC OK LED and the DC OK LED are unlit, either the AC power cord is not installed properly or the power supply fuse has failed. If the AC OK LED is lit and the DC OK LED is unlit, the AC power supply is not installed properly or the power supply has an internal failure. |