Juniper MX240 Hardware Manual page 444

MX240 3D Universal Edge Router Hardware Guide
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> 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
If the
show chassis alarms
3.
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 the DIP switch position does not impact traffic. However,
it is always recommended to do so in a maintenance window.
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
output shows an alarm on , issue the
Dipswitch show chassis
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