Maintaining Mx240 Power System Components; Maintaining The Mx240 Power Supplies - Juniper MX240 Hardware Manual

Maintaining MX240 Power System Components

IN THIS SECTION

Maintaining the MX240 Power Supplies | 383

Replacing an MX240 AC Normal-Capacity Power Supply | 384
Replacing an MX240 AC Power Supply Cord | 387
Replacing an MX240 DC Normal-Capacity Power Supply | 388
Replacing an MX240 DC Power Supply Cable | 393
Maintaining the MX240 Power Supplies
Purpose
For optimum router performance, verify the condition of the power supplies.
Action
On a regular basis:
PEM 0 status:
State
Temperature
DC output
PEM 2 status:
State
Temperature
DC output
Make sure that the power and grounding cables are arranged so that they do not obstruct access to
other router components.
Routinely check the status LEDs on the power supply faceplates and the craft interface to determine if
the power supplies are functioning normally.
Check the red and yellow alarm LEDs on the craft interface. Power supply failure or removal triggers an
alarm that causes one or both of the LEDs to light. You can display the associated error messages by
issuing the following command:
Online
OK
OK
Online
OK
OK
383