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What is the difference between Mode A and Mode B in PoE definition?

Question

What is the difference between Mode A and Mode B in POE definition? Which mode does the Zyxel APs support?

Answer

802.3af
 
Mode A = endspan
Mode B = midspan
 
endspan use wire 1,2,3,6
 
midspan use wire 4,5,7,8
 
Zyxel APs support both modes.
Zyxel PoE Swtich supports endspan. 
Zyxel PoE injector supports midspan.



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LANGUAGE:
ARTICLE ID:017214
TYPE:General Info
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VIEWS:228
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TECHNOLOGY:
MODEL:NWA1123-ACHD,NWA1123-ACv2,NWA1123ACPRO (view more model name)

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