Juniper EX9214 Hardware Manual page 61

Table 16 on page 50 describes the LEDs on an AC power supply in an EX9214 switch.
Table 16: AC Power Supply LEDs in EX9214 Switches
Feed Description
Mode
One- The power input to the AC appliance
Feed inlet located on the chassis above the
power supply is connected and the
power input to the AC appliance inlet
on the power supply faceplate is not
connected; the input is within the
acceptable range, and the power
feed located on the chassis above
the power supply is functioning
normally and providing power to the
switch chassis.
The power input to the AC appliance
inlet on the power supply faceplate is
connected and the power input to
the AC appliance inlet located on the
chassis above the power supply is
not connected; the input is within
the acceptable range, and the power
feed located on the power supply
faceplate is functioning normally and
providing power to the switch
chassis.
The power input to the AC appliance
inlet located on the chassis above the
power supply and the power input to
the AC appliance inlet on the power
supply faceplate are connected; the
input is within the acceptable range,
and the power feed located on the
chassis above the power supply is
functioning normally and providing
power to the switch chassis.
LEDs
AC-1 OK AC-2 OK
Green Off
Off Green
Green Green
DC OK PS FAIL
Green Off
Green Off
Green Off
50