You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support IEEE 802.3af. In…

The correct answer is B. 15.4 W. PoE was first defined in the IEEE 802.3af standard, which supplied up to 15.4 W of power to a connected powered device. Subsequent versions increased the amount of power that can be supplied to a powered device.

Ethernet Switching Features

Question

You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support IEEE 802.3af. In this scenario, what is the maximum amount of power allocated to each interface?

Options

A10.2 W
B15.4 W
C30 W
D50 W

How the community answered

(49 responses)

A
4% (2)
B
71% (35)
C
16% (8)
D
8% (4)

Explanation

PoE was first defined in the IEEE 802.3af standard, which supplied up to 15.4 W of power to a connected powered device. Subsequent versions increased the amount of power that can be supplied to a powered device.

Topics

#PoE#IEEE 802.3af#power budget#15.4W

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