Passive Power Injector for Power-over-Ethernet

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tellanand

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Hathway, Airtel
Does anyone have experience using a passive PoE power injector? I am contemplating on buying a passive PoE power injector from Amazon.in (see below):

CABLESETC Passive PoE Cable - Power Over Ethernet Injector/Splitter Kit RJ45 DC Power - Buy CABLESETC Passive PoE Cable - Power Over Ethernet Injector/Splitter Kit RJ45 DC Power Online at Low Price in India - Amazon.in

Amazon.in: Buy CABLESETC Passive PoE Cable - Power Over Ethernet Injector/Splitter Kit RJ45 DC Power online at low price in India on Amazon.in. Check out CABLESETC Passive PoE Cable - Power Over Ethernet Injector/Splitter Kit RJ45 DC Power reviews, ratings, features, specifications and more at...
www.amazon.in

The question I have is, does this support Gigabit speed or does it support only 10/100 Mbps speeds? Its not clear from the specifications.

Thanks in advance for any insights?
 
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I have one of these, its only 10/100, ethernet only has four wires

Rest four are used for power.
Lower voltages (12V) will degrade much quicker compared to higher voltage PoE 24v/48v due to resistance.

Make sure the cable quality is good and not too long before buying this.
 
Thanks @JB700 . That was very helpful.

I think I'll go for an active injector.

I need to supply 5V. Do you have a view on this:

Amazon.in: Buy TP-LINK TL-PoE150S PoE Injector Adapter, IEEE 802.3af Compliant, up to 100 Meters (325 Feet), Gigabit -10/100/1000, Black Online at Low Prices in India | TP-Link Reviews & Ratings

Buy TP-Link TL-PoE150S PoE Injector Adapter, IEEE 802.3af Compliant, up to 100 Meters (325 Feet), Gigabit -10/100/1000, Black online at low price in India on Amazon.in. Check out TP-LINK TL-PoE150S PoE Injector Adapter, IEEE 802.3af Compliant, up to 100 Meters (325 Feet), Gigabit -10/100/1000...
www.amazon.in
 
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Ah yeah, I forgot to mention that. TP-Link also has a splitter Robot Check

which allows to split power back from PoE. Without splitter it won't work without 802.3af support
 

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