topic RE: "K-AC-PS-1400W" vs. "K-AC-PS" in ExtremeCloud IQ- Site Engine Management Center

"K-AC-PS-1400W" vs. "K-AC-PS"

aloeffle — Thu, 27 Aug 2015 16:26:00 GMT

Dear all.

what is the detailed difference between the two power supply models "K-AC-PS-1400W" and "K-AC-PS"?

I am not able to read out the serial number of the "K-AC-PS-1400W" via NetSight flex view.
With the "K-AC-PS" it works.

does this make sense?

thanks for your help in advance
regards
Alex

RE: "K-AC-PS-1400W" vs. "K-AC-PS"

Paul_Poyant — Fri, 28 Aug 2015 01:05:00 GMT

To the best of my knowledge the K-AC-PS-1400W and K-AC-PS are built to the same power specifications and by design are intended to function the same - with one exception: The original K-AC-PS-1400W fan runs at a constant speed, while the later-released K-AC-PS has a variable-speed fan.

I am checking with my colleagues regarding this background question, and regarding what you have reported for behavior. More to follow...

RE: "K-AC-PS-1400W" vs. "K-AC-PS"

Paul_Poyant — Thu, 10 Sep 2015 02:13:00 GMT

The very low number of K-AC-PS-1400W units available for testing has prevented the rapid verification I was hoping for here. However, it is now looking like there are two unique functional aspects of this model as compared with the K-AC-PS:
Constant-speed fan, and non-support of serial number visibility via SNMP.

RE: "K-AC-PS-1400W" vs. "K-AC-PS"

Paul_Poyant — Wed, 16 Sep 2015 22:47:00 GMT

This is now documented in GTAC Knowledge article
https://gtacknowledge.extremenetworks.com/articles/Q_A/What-is-the-Difference-between-K-Series-Power-Supply-models-K-AC-PS-1400W-and-K-AC-PS.