Ac Power Supply Module Leds; Dc Power Supply Module Leds - Juniper MX204 Hardware Manual

MX204 3D Universal Edge Router Hardware Guide
Table 10: AC Power Supply Module LEDs
Label Color
Unlit
AC OK
Green
DC OK Unlit
Green
(Fault) Amber
!

DC Power Supply Module LEDs

24
Figure 13 on page 24 shows the AC power supply module components with the AC power
cord retainer along with the status LEDs.
Figure 13: AC Power Supply Module LEDs and Components––with the AC Power Cord
Retainer
1
2
3
1— Input status LED
2— Output status LED
3—Fault LED
Table 10 on page 24 describes the LEDs on the AC power supply modules.
State
Off
On steadily
Off
On steadily
On steadily
NOTE: If the
AC OK
cord is not installed properly or the power supply fuse has failed. If the
LED is lit and the
OK
properly, but the power supply has an internal failure.
Figure 14 on page 25 shows the DC power supply modules status LEDs.
4
5
4— AC power cord retainer installed
5— Ejector lever
Description
The power supply is disconnected from power source, or the power
supply is not receiving power.
Power supply is receiving power.
Power supply output is off.
The power supply is sending out power correctly.
An error has been detected in the power supply. Replace the power
supply as soon as possible. To maintain proper airflow through the
chassis, leave the power supply installed in the chassis until you are
ready to replace it.
LED and the LED are unlit, either the AC power
DC OK
LED is unlit, the AC power supply is installed
DC OK
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AC