topic PoE Injectors and distance limitation in Wireless

PoE Injectors and distance limitation

d.mikheyenko — Sun, 04 Jul 2021 08:13:25 GMT

Greetings,

Do Cisco PoE injectors for 3500 APs and 1552e APs act as a repeater? Another words, can we run 100m cat5e from the network to the injector and then another 100m from injector to the AP?

Thanks in advance!

PoE Injectors and distance limitation

Scott Fella — Wed, 06 Nov 2013 16:59:10 GMT

That should work as long as the ethernet to the AP is within the limit, which includes the patch cable.

Thanks,

Scott

Help out other by using the rating system and marking answered questions as "Answered"

PoE Injectors and distance limitation

d.mikheyenko — Wed, 06 Nov 2013 17:14:35 GMT

Hi Scott,

I am not sure I understand. The ethernet to the AP traverses the injector, so I could interpret your answer as "Yes, you could dod 100m from the switch to the AP".

My setup is:

Ethernet switch === 100m ==== PoE Injector === 100m ==== AP

Another words my total ethernet run is 200m. This "should" work IF the PoE injector regenerates the signal, like a repeater. This is the piece that I do not know.

Thanks!

PoE Injectors and distance limitation

Scott Fella — Wed, 06 Nov 2013 17:20:46 GMT

Power Injectors typically do that. Typically what I see is fiber being ran out to the AP and then a converter to ethernet to the power injector is used.

Thanks,

Scott

Help out other by using the rating system and marking answered questions as "Answered"

PoE Injectors and distance limitation

Abha Jha — Wed, 06 Nov 2013 19:39:34 GMT

It should work but there will be a power loss in the cable and not sure if the required power reaches to the AP to power ON its radio...

PoE Injectors and distance limitation

aqjaved — Fri, 08 Nov 2013 15:15:45 GMT

The injector just needs to deliver voltage (not a signal), like any wire, so distance shouldn't really be a problem.