Connecting An Mx480 Ac Power Supply Cord; Replacing An Mx480 Dc Power Supply; Removing An Mx480 Dc Power Supply - Juniper MX480 Hardware Manual

MX480 Universal Routing Platform Hardware Guide
See Also

Replacing an MX480 DC Power Supply

322

Connecting an MX480 AC Power Supply Cord

To connect the AC power cord:
Locate a replacement power cord with the type of plug appropriate for your
1.
geographical location (see
page 49).
Connect the power cord to the power supply.
2.
Route the power cord along the cable restraint toward the left or right corner of the
3.
chassis. If needed to hold the power cord in place, thread plastic cable ties, which you
must provide, through the openings on the cable restraint.
Verify that the power cord does not block the air exhaust and access to router
4.
components, or drape where people could trip on it.
Attach the power cord to the AC power source, and switch on the dedicated customer
5.
site circuit breaker for the power supply. Follow the ESD and connection instructions
for your site.
Switch the AC input switch on the each power supply to the on (
6.
observe the status LEDs on the power supply faceplate. If the power supply is correctly
installed and functioning normally, the
PS FAIL LED is not lit.
Replacing an MX480 AC Power Supply on page 318
AC Electrical Specifications for the MX480 Router on page 47
Removing an MX480 DC Power Supply on page 322
1.
Installing an MX480 DC Power Supply on page 324
2.

Removing an MX480 DC Power Supply

Before you remove a power supply, be aware of the following:
NOTE: The minimum number of power supplies must be present in the router
at all times.
WARNING: Before performing DC power procedures, ensure that power is
removed from the DC circuit. To ensure that all power is off, locate the circuit
"AC Power Cord Specifications for the MX480 Router" on
and
AC OK DC OK
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— ) position and
LEDs light steadily, and the