What is that "Class" in the "show power inline" output?

Dear Experts,

Switch#show power inline
Available:370.0(w) Used:240.3(w) Remaining:129.7(w)

Interface Admin Oper Power Device Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi0/1 auto off 0.0 n/a n/a
15.4
Gi0/2 auto on 6.3 IP Phone 7961 2 15.4
Gi0/3 auto on 14.9 IP Phone 7971 3 15.4

What is this Class belongs to?

On port gi0/2 getting Class 2
On port gi0/2 getting Class 3

Regards,
Anser

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Received on Sun Apr 04 2010 - 16:03:12 ART