You're close.   The AirFiber came out because I expected it to need more
power than the 4 or 8 port port poe could handle.

Nowadays it's just a single port version of the gige powerinjector,
complete with internal jumpers, minus the sync.



On Sep 11, 2017 11:41 AM, "George Skorup" <[email protected]> wrote:

I want to say the single-port AF injector came out before Forrest had the
4/8-port GigE injectors done. Or maybe even before they were designed. And
that's simply because of the GigE + 4-pair injection scheme. That was one
of the few radios at the time that required 4 pairs because of the power
consumption.

Forrest said the newer relays he's using on the GigE 4/8-port injectors
will handle the current fine. The older orange Omron relays not so much.
I've burned up quite a few of them over the years. Luckily they're not too
difficult to replace.

I'd just use a GigE PowerInjector+Sync these days. You get 2A per port
using 4-pair injection. Plus solid-state over-current protection. Or the
5ch PDU and GigE-POE-APCs. There are many good options now. The
RackInjector is gonna be awesome. And I hope to see the 12-port
PowerInjector+Sync later for the smaller cabinets. Fuses and wiring drives
me nuts.


On 9/11/2017 12:08 PM, Adam Moffett wrote:

It so happens an AF24 is exactly what I'm looking at.


------ Original Message ------
From: "Mathew Howard" <[email protected]>
To: "af" <[email protected]>
Sent: 9/11/2017 12:56:13 PM
Subject: Re: [AFMUG] Packetflux Airfiber POE

If I remember correctly, the 4 port works fine. I think the reason for the
special one was because the airFiber 24 draws so much power, but if I
remember right, it was determined later on that the normal injectors would
handle it fine (and I'm pretty sure I had one running on one at one point).
It certainly wouldn't be an issue with anything other than the 24ghz
airfbers anyhow, since the others all use a lot less power.

On Mon, Sep 11, 2017 at 11:40 AM, Adam Moffett <[email protected]> wrote:

> I'm wondering why there is a special AirFiber POE device for Packetflux.
> Will AirFiber not work with the 4 port gigE POE adapter?
>
>

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