On Tue, 7 Nov 2000, George Robbins wrote:
> Nobody gets too awfully excited about FCC compliance in equipment rooms,
> clamp-on ferrites usually get tossed with the rest of packing material,
> few people end up using the official Cisco cables with the ferrites
> held in place with heat-shrink tubing.
So this is more of an issue of keeping my RFI crap out of my neighbor's
yards rather than vice-versa?
Interesting. What is this thing spewing forth, anyhow?
Thanks,
Charles
> George
>
> > From cisco-nsp-request@puck.nether.net Tue Nov 7 18:22:48 2000
> > Resent-Date: Tue, 7 Nov 2000 18:17:05 -0500
> > Received-Date: Tue, 7 Nov 2000 18:15:11 -0500
> > Date: Tue, 7 Nov 2000 18:15:09 -0500 (EST)
> > From: Charles Sprickman <spork@inch.com>
> > To: <cisco-nsp@puck.nether.net>
> > Subject: PA-MC-T3 and Ferrite beads
> > Resent-From: cisco-nsp@puck.nether.net
> > X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/4216
> > X-Loop: cisco-nsp@puck.nether.net
> > Precedence: list
> > Resent-Sender: cisco-nsp-request@puck.nether.net
> >
> > Hello All,
> >
> > I just bought a used PA-MC-T3 and while looking at the online manual, I
> > came across this:
> >
> > "You must install a ferrite sleeve (also called a common-mode choke) on
> > each 75-ohm coaxial cable to reduce the effects of electromagnetic
> > interference (EMI). (Cisco Systems supplies two ferrite sleeves with your
> > PA-MC-T3, one for each of the two 75-ohm coaxial cables.)"
> >
> > I've not seen this on our other cards (PA-T3, PA-CT3/4T1, PA-A3), which
> > were all purchased new, and looking around the colo, I don't see anyone
> > else with the ferrite filters on any T3 lines...
> >
> > Anyone have any thoughts on this?
> >
> > Thanks,
> >
> > Charles
> >
> > | Charles Sprickman | Internet Channel
> > | INCH System Administration Team | (212)243-5200
> > | spork@inch.com | access@inch.com
> >
> >
>
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