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PDU lost component communication

APC UPS Data Center & Enterprise Solutions Forum

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Jrussell_apc
Jrussell_apc
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

PDU lost component communication

This was originally posted on APC forums on 3/1/2018


Hi there,

I have a AP8659EU3 and getting 2 errors showing up on it.

First one comes up

Lost Management Interface-to-device communication

Then the next one says

Lost component communication with Outlet Board 2 I/O

There were no firmware updates applied to it at this time/date that the error occurred.

The PDU in question is not up to date with it's firmware so that is one thing I could try doing to it.

The closest article I can find on APC is this https://www.schneider-electric.co.uk/en/faqs/FA168022/

Which says to update firmware, then power down and reseat the PDU display connector.

Just wondered if there was anything else I can try before having to try schedule in the downtime necessary to follow the steps on that page.

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BillP
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This reply was originally posted by Mike on APC forums on 3/1/2018


Hi James,

Try a firmware upgrade first and see how it goes.

How do I upgrade the firmware on an APC Network Management Card (NMC) or NMC embedded device (Rack P...

You can download the most recent version here.

See Answer In Context

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BillP
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This reply was originally posted by jesus on APC forums on 3/1/2018


good morning you have installed the cascaded PDUs, and that way I update the PDUs?
if this was the case, the update only applies to the principal and, since it does not have the same version, it gives a communication error and must update the PDUs individually.
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Jrussell_apc
Jrussell_apc
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This was originally posted on APC forums on 3/1/2018


On 3/1/2018 3:39 PM, jesus said:
good morning you have installed the cascaded PDUs, and that way I update the PDUs?
if this was the case, the update only applies to the principal and, since it does not have the same version, it gives a communication error and must update the PDUs individually.

Hi

These PDU's were installed before I joined and it doesn't look like they have been updated in a while. How can I tell if they are Cascaded?

There are 4 PDU's of the same model in total. 2 of them are on  the version that the one with the error is showing, the other 2 are showing an earlier version.

If it was a version mismatch issue though then why is the other updated one showing as fine and not showing an error?

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BillP
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This reply was originally posted by jesus on APC forums on 3/1/2018


  • the PDU has the network port and below it has the port for a temperature sensor the console port and two rj45 ports that in / out if in the latter are used to cascade the PDUs
    the main one has only the cable connected to the network port.
    it is best to update individually the pdu
    cascade connection decreases the use of nodes for management but you find this situation when updating version.
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Jrussell_apc
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This was originally posted on APC forums on 3/1/2018


The In/Out ports are not connected, only the main network connection. So therefore they are not cascaded right?

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BillP
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Posted: ‎2021-07-12 04:58 AM

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Posted: ‎2021-07-12 04:58 AM

This reply was originally posted by Mike on APC forums on 3/1/2018


Hi James,

Try a firmware upgrade first and see how it goes.

How do I upgrade the firmware on an APC Network Management Card (NMC) or NMC embedded device (Rack P...

You can download the most recent version here.

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