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cisco 500 series switches

mireille.saade
Level 1
Level 1

Dear support,

Can Cisco 500 series switches deliver 24V on the access port for POE operation?

Best Regards

6 Replies 6

mireille.saade
Level 1
Level 1

a kind reminder

Hi, the SX300/500 supports 15.4 watt.

So if you have 24 V, with 2 amp, that is 48 watt if it is DC.

AC three phase with 24 V, 1 amp and power factor of 1 is 41.5 watt.

AC one phase with 24 V, 1 amp and power factor of 1 is 24 watt.

So I would say no it is not supported.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

Hi Tom,

thank you for your reply. but as per the below datasheet, the 500 series switches support up to 30W/port, kindly advise..

http://www.cisco.com/en/US/prod/collateral/switches/ps10903/ps12128/c78-695646_data_sheet.html

best regards

a kind reminder

Dear Support,

kindly advise which switch can deliver 24V on the access port for POE operation?

please treat this case as an urgent matter as i need to get back to my client asap

Thanks

I belive the 802..2F and 802.2at poe standard is strictly 48v.  I haven't found anything to the contrary.  There are inline convertes 48v-24v or something like this that can be used with a non poe switch: http://www.digital-loggers.com/poe24.html but that means all conected device would be off the same access port / vlan.