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Meru Networks AP300 User Manual

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14 Meru Access Point Installation Guide © 2010 Meru Networks, Inc.
Determine Power Requirements
Determine Power Requirements
Power requirements vary, depending on which AP300 radios are deployed and what MIMO mode is used.
See the chart below for supported power sources for different radio configurations.
802.af PoE Usage
When using System Director 3.6/4.0 and 802.3af PoE, Meru supports radios set to any MIMO settings
except 3x3 on dual radios. This is because two radios set to 3x3 MIMO using an 802.3af switch may not
have enough power if the cable is too long. Shorter cables frequently work, however. Meru supports:
Single 3x3 radio
Dual 2 x 2 radios
Dual radio with one set to 2x2 and the other one set to 3x3
When using System Director 4.0 and 802.3af, the AP300 MIMO configuration is limited to the following:
3x3 for the 5 GHz radio
2x2 for the 2.4 GHz radio
802.3at PoE Usage
When using System Director 3.6/4.0 and 802.3at, the following radio combinations are recommended:
Single 3x3 radio
Dual 2 x 2 radios
Dual radio with one set to 2x2 and the other one set to 3x3
Dual 3x3 radios are recommended with a limitation. Use 802.3at power for two 3x3 MIMO radios
when the switch has a high enough power output to support all devices on the PoE. Calculate the
amount of power needed by each AP300/AP300i in 3x3 mode (13 watts), add that to power required
by other PoE devices on the switch and compare that value to the total power output from the
switch.
Radio 1 MIMO Radio 2 MIMO 802.3af PoE 802.3at PoE DC Power
2x2 2x2

2x2 3x3 
3x3 2x2 
3x3 3x3
Do not
recommend
Recommend
with caution

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Meru Networks AP300 Specifications

General IconGeneral
BrandMeru Networks
ModelAP300
CategoryWireless Access Point
LanguageEnglish

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