Juniper Networks EX8208 Benutzerhandbuch

Flip a power supply’s

Enable

switch to the on position (ON). See Figure 71 on page 181.

Observe the power supply faceplate LEDs. If the power supply is installed correctly
and functioning normally, the

INPUT OK

IN OK

and

OUTPUT OK

OUT OK

LEDs

light and remain constantly lit. The

FAIL

LED does not light.

Figure 71: Flip the Enable Switch to the ON position

Repeat Step 7 for the remaining power supplies installed in the switch.

On the external management device, monitor the startup process to ensure that the
system boots properly.

NOTE: After you power on a power supply, wait for at least 60 seconds before you turn
it off. After you power off a power supply, wait for at least 60 seconds before you turn
it back on.

If the system is completely powered off when you switch on a power supply, the SRE
or RE module boots as the power supply completes its startup sequence.

After you power on a power supply, it can take up to 60 seconds for status indicators
such as power supply LEDs and the

show chassis

operational mode CLI command

display to indicate that the power supply is functioning normally. Ignore any error
indicators that might appear during the first 60 seconds.