Difference between POE and Max POE

I am looking at 2 different Cisco switches with POE, the SG300-52P and the SG300-52MP. The MP has "Max POE". What is the difference between that and POE and POE+?
Alex ScarfoneInternal IT ManagerAsked:
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Nick RhodeIT DirectorCommented:
basically watts.  POE standard watt is 15.4 and maxPOE (I believe its POE+) has a standard of 25.5
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Alex ScarfoneInternal IT ManagerAuthor Commented:
Both switches have POE+, this is POE "Max"
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Alex ScarfoneInternal IT ManagerAuthor Commented:
I think I have the answer, it looks like "Max" means the MP has a big enough power supply to have all 48 POE ports filled with 15W devices, whereas the P has about half that. Thanks for your help.
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Nick RhodeIT DirectorCommented:
I found it interesting and was not aware of Max-PoE and thought it was PoE+.  I sent an email off to my cisco rep because im interested in if I have to make room for the switch because its going to turn green and double in size.
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Alex ScarfoneInternal IT ManagerAuthor Commented:
Check the specs on this sheet, the MP can put out some serious BTU, 720W max also

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps10898/data_sheet_c78-610061.html
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Alex ScarfoneInternal IT ManagerAuthor Commented:
Both support POE+. I think the Max refers to cumulative consumption for the whole switch.
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Nick RhodeIT DirectorCommented:
Im in the chat with a Cisco Rep and he does not know what Max-PoE is and wants to know where I see that term.  Must be a new feature
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Nick RhodeIT DirectorCommented:
Here is my chat log stated by cisc:  I knew I was confused and was thinking it was like yesterday new :)
---------------------------------------------------------------

Cisco: Oh, MAX POE term on this switch refers to maximum ports and wattage for POE.
*This is a switch I looked up refering to your 1st post*
 
Cisco: POE+ means higher wattage support per ports.
 
Nick Rhode: Is that a term supported across cisco switches or are other sites just using it as a jazz term
 
Cisco: POE maximum power is 15.4 watts. POE+ 30 watts per ports.
 
Cisco: Jazz term only.
 
Cisco: Not a standard.
 
Cisco: Standard is POE and POE+.
 
Nick Rhode: Thank you very much, you have been most helpful
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