• Subject: Re: remote twinax connection problem
  • From: "Jeffrey M. Carey" <jeffreycarey@xxxxxxx>
  • Date: Thu, 30 Oct 1997 16:08:36 -0600
  • Organization: MTI Vacations

For reliability, I'd go with twinax.  For future expansion, you might
want to consider twisted pair.  If these will be dumb terminals for the
forseeable future, just run twinax and be done with it.  

Magnolia Steel Co. Inc. wrote:
> 
> > >The PCs are all NSpire 100 mz pentiums. There are 4 ports on the Perle
> > >controller. Two of the PCs are connected to one port. One PC to another
> > >port. The other two ports are open. The 3486 will get a signon screen on
> > >any port. When the PCs can't get a signon screen, moving them to another
> > >port doesn't help. It is as if the Perle goes into a mode where it
> > >cannot recognize the twinax cards, but will see a true terminal. Does
> > >that make sense? I've even tried changing the switch settings in the
> > >emulation to see if the 400 would auto config a new device. It didn't.
> >
> > Weird.
> >
> > What does Perle say?  What kind of twinax cards?
> >
> > Sometimes twinax cables can cause problems but that would be the same for
> > the dumb terminal as well.  How about the terminators?  Twinax problems on
> > another point can cause problems elsewhere on the same twinax.
> >
> > The fact that the PC's are on different ports probably means that it's not
> > the twinax.  I'm wondering about the Perle now.
> >
> > Jerry
> 
> The cards are IBM.
> 
> I talked to Perle yesterday. They don't have any idea about what could
> cause this. I think I'm going to order new cables. One PC uses a twinax
> cable, the other two have twisted pair cables with baluns. Would you
> guys recommend one over the other?
> 
> Everything has been working for the last week. Thanks for all the input.
> 
> Bill
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