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Date: | Thu, 8 Jul 1999 13:54:28 -0400 |
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10baseT is a protocol. What we should have been saying is, as someone
pointed out earlier, that the cable infrastructure is CAT5 (or CAT3
depending on your requirements).
Rick Clark
WW&R
"Johnson, Tracy" wrote:
>
> THAT I can understand, copper is copper and crimping it down to whatever contact on an RJ-45 is not a problem, I've been doing that for years. I think of 10BaseT as a protocol, not a cable type.
>
> So back to my original thought, how does he get serial RS-232 to talk 10BaseT protocol? Or is this not the question? The only valid recipient for RS-232 protocol at one end is RS-232 at the other.
>
> If the reference is only to cable, no problem, a no-brainer, I've used bent paper clips on some interfaces.
>
> So, is 10BaseT a protocol or a cable?
>
> -----Original Message-----
> From: Bryan Greenberg [SMTP:[log in to unmask]]
> Sent: Thursday, July 08, 1999 10:10 AM
> To: [log in to unmask]
> Subject: Re: can you make terminals work on a network?
>
> Tracy Johnson poses the question:
> I'm at a loss to understand how Bryan does it. Especially a terminal
> model that has only a serial port connected directly to a 10baseT port
> in the second sentence.
>
> I may have munged up my thoughts on this one. Basically you leverage
> the existing (or in this case newly installed) network wiring by
> running your serial terminals over the 10baseT cable. Most
> installations of network wiring will have RJ-45 jacks on the node end
> that are connected by individual runs of cat5 cable to some sort of
> punch down panel. Normally you would then run a patch cable from the
> punch down panel to a hub, completing the connection. If you run that
> patch cable to a dtc instead you get a serial connection (if you've
> plugged a terminal in on the other end). If your network is more
> exotic (ie switched or not on the same side of a router as the dtc)
> then this configuration will not work.
>
> I hope this clears the fog from my writing.
>
> Bryan
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