> show chassis alarms
4 alarms currently active
Alarm time Class Description 2013-01-11 14:48:26 UTC Minor PEM 0 Dipswitch 0
Feed Connection 2
3. If the show chassis alarms output shows an alarm on Dipswitch, issue the show chassis
power command to check the DIP switch position.
# run show chassis power
PEM 0:
State: Online
AC input: OK (1 feed expected, 2 feed connected)
Capacity: 4100 W (maximum 4100 W)
DC output: 855 W (zone 0, 15 A at 57 V, 20% of capacity)
In this example, the DIP switch is in the wrong position since there is one AC feed
expected but two AC feeds are connected. Change the DIP switch to position 1. This
should clear the alarm.
NOTE: Changing theDIPswitch position doesnotimpacttraffic.However,
it is always recommended to do so in a maintenance window.
Related
Documentation
• MX240 AC Power Supply Description on page 90
• MX240 DC Power Supply Description on page 92
• Troubleshooting Resources for MX240 Routers on page 401
• Replacing an MX240 AC Normal-Capacity Power Supply on page 335
• Replacing an MX240 DC Normal-Capacity Power Supply on page 338
Copyright © 2017, Juniper Networks, Inc.414
MX240 3D Universal Edge Router Hardware Guide
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