[PLUG] Ethernet patch cable alarm...

wes plug at the-wes.com
Sun Feb 13 04:47:47 UTC 2011


What about having the computer from which you don't want an ethernet cable
unplugged make a noise when it is unplugged?

-wes

On Sat, Feb 12, 2011 at 5:08 PM, Michael C. Robinson <
plug_1 at robinson-west.com> wrote:

> I am interested in a specialty part that should be easy to make.
> The problem with patch cables is that they can be unplugged.  I
> have Internet connected lines going to servers where the lines
> themselves are filtered by those servers.  If the cables are
> unplugged, the servers are effectively bypassed.  I want an
> obnoxious alarm that I can put inside the steel lockbox, one for
> each patch cable.  If you unplug one of these patch cables, the
> alarm goes off.  Better yet, an alarm goes off and no transmission
> through the patch cable is allowed until it is plugged back into the
> appropriate ethernet card.  So effectively, I want to detect the MAC
> address and link status.  Unplug the patch cable, the alarm sounds.
> Plug the cable into the wrong computer, the alarm continues.  I want
> this to be as loud as a smoke detector.
>
> Does anyone make a 10/100 ethernet switch with an alarm based on
> MAC address feature?  It should be easy to make a device equipped
> with an alarm and an AC connection that detects disconnect, but
> detecting a foreign computer plugged in is trickier.
>
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