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тАО06-13-2018 08:35 AM
тАО06-13-2018 08:35 AM
PoE power on HPE switches
I have a project for which I need PoE power.
Originally, I chose the 3500yl 48 port switch, but it turns out that it does not supply enough power.
I cannot find clear specs to answer these questions, so I am asking here.
What is the maximum per-port voltage and wattage supplied in the 3500yl-48 and 2620-48 switches ?
Are there other switches that can provide more ?
Is there CX4 connectivity for the 2620 switch ?
Does the external power supply provide more voltage and/or wattage to either of the above switches ?
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тАО06-24-2018 11:18 PM
тАО06-24-2018 11:18 PM
Re: PoE power on HPE switches
The 3500 supports PoE+ and provides just under 400W of PoE.
40x Class II PoE devices = 280 W
That has always been enough power for me.
I've never factored in PoE+ needs though, usually you only have about 2 devices that need PoE+ per switch, and this is better served via power injector than by buying 48 switchports that can potentially support them (46 of which never will need to).
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тАО06-26-2018 08:04 AM
тАО06-26-2018 08:04 AM
Re: PoE power on HPE switches
Thank you for the reply..
I am still missing the information I need.
For each of the 3500yl and 2620, I need to know the maximum per-port wattage and voltage supplied, whether that increases if an external supply like the HPE630 increases those numbers.
Unfortunately, the published documentation is hugely unclear about this, but I was hoping that someone would actually know this.
Separately, I need to confirm whether the 2620 has a CX4 connectivity option.