On a 48port variant of the above switches, how many ports will be able to deliver full power to our AP-1250's ?
In the 12.2(44)SE release notes for the 3750-E/3560-E it states that all 10/100/1000 PoE ports can provide Enhanced PoE up to 20-Watts per port. I assume like earlier 3560/3750's its just a simple maths calculation -
48-port 3750-E/4560-E with single PSU can provide up to 370-watts so you would get a maximum of 18 ports providing 20-Watts. With the dual PSU versions they can provide up to 740-Watts so you would get 36 ports providing 20-Watts.
There is a presentation slide here that states with a 24-port 3750-E/3560-E you will be able to power 20 1250's and a 48-port one will power up to 40. Only the 48-port 3750-E/3560-E's can have dual PSU's (Full Power) so this ties in. If you work the maths out it means each AP actually requests and gets 18.4-Watts:
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