AP1242AG power consumption

gnijs · ‎11-12-2008

Hi,

Is there any way to lower the power consumption of a AP1442AG ? Standard it uses 15W, but in CDP i see the following "Power request levels":

Power drawn: 15.000 Watts

Power request id: 23633, Power management id: 2

Power request levels are:15000 12960 11560 5800 0

In which circumstances can these be used ?

carenas123 · ‎11-18-2008

Nowadays, almost all Cisco switches support the "power negotiation" mode. The default value of Cisco AP uses the "power negotiation mode," but some switches still do not support power negotiation. In such cases, if you plug an 1130 AP into a Cisco switch, and the default of the Cisco AP is the "power negotiation mode," the AP spends approximately 90 seconds as it tries to negotiate power. If the earlier switch "fools" the AP so that it thinks it cannot provide the power "typically through CDP," the AP comes up in "safe mode" basically with the radios disabled, so it draws the least amount of current and allows you to manage the AP.

The power consumption on the AP1240 breaks down like this

5 GHz only radio 11.56 watts

2.4 GHz only radio 12.96 watts

Both radios on 15.0 watts