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[PTX] Minor Alarm: "PEM x Feed x switch OFF but input connected"



Article ID: KB33514 KB Last Updated: 15 Oct 2021Version: 2.0

Minor alarm "PEM x Feed x switch OFF but input connected" is reported in the show chassis alarms output if the Input (INP) DIP switches are in the OFF position.  


If the Input (INP) DIP switch is OFF but the feeds are connected, the following minor alarm may be reported:

Alarm time               Class  Description
2018-01-01 01:01:01 UTC  Minor  PEM x Feed x switch OFF but input connected

This is a feature introduced with PR1311574 - PTX10K/MX10K: Suppress chassis alarm for switched off PEMS to indicate the Input (INP) switches are set OFF but the feeds are connected.


Setting the INP (DIP) switches ON should clear the alarm.

To find the location of the 1 and 2 switches, refer to the hardware guides:

For an explanation of the LED status of these switches, see:

Modification History:

2021-10-15: Minor typo correction.

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