RE: [MLUG] network cables?

[Michael <EMAIL:PROTECTED>]

*nods* I was mostly trying to make sure I was right and my book was wrong
as it is something I haven't done in practice before. As it turns out
wally world had a stupid home networking kit w/ two network cards and a
hub for $40 so i just got that and ignored the issue. :)

*^*^*^*
Have the courage to take your own thoughts seriously, for they will shape
you. -- Albert Einstein

On Thu, 1 Mar 2001, McNutt, Justin M. wrote:

> Technical Discussion:
> 
> There are two sides to any Ethernet connection:  the "terminal" side (DTE,
> or "Data Terminal Equipment"), and the "switch" or "hub" side (DCE, or "Data
> Circuit-Terminating Equipment").
> 
> The short - and more common - version of those names for Ethernet are "MDI"
> for the station side and "MDI-X" on the switch/hub side.
> 
> The basic idea is that you always have to connect MDI to MDI-X.  So to hook
> two computers directly together (MDI-to-MDI), you need a crossover cable.
> The crossover cable essentially changes one side to MDI-X, allowing the two
> to connect.
> 
> The same thing happens when you try to connect two switches to each other.
> Both devices are MDI-X, so you need a crossover to change one of them to
> MDI.
> 
> You know how some hubs/switches have a port marked "uplink"?  That's a MDI
> port, so you can connect it directly to another switch/hub without a
> crossover.
> 
> That's also why the "uplink" port and the port next to it often can't be
> used at the same time.  They're the same Ethernet port, one jack is the MDI
> jack and the other is the MDI-X jack, but it's still really only one port.
> Most vendors will put a line on the chassis that connects the two jacks as a
> visual reminder of this.
> 
> --J
> 
> > -----Original Message-----
> > From: Michael [mailto:EMAIL:PROTECTED]
> > Sent: Wednesday, February 28, 2001 6:29 PM
> > To: EMAIL:PROTECTED
> > Subject: [MLUG] network cables?
> > 
> > 
> > the term for an ethernet cable to hook two computers together 
> > w/out a hub
> > is a crossover cable right? my dictionary says crossovers 
> > only work for
> > mac's. isn't that the right way to hook up any hubless 
> > ethernet between
> > two machines?
> > 
> > *^*^*^*
> > Have the courage to take your own thoughts seriously, for 
> > they will shape
> > you. -- Albert Einstein
> > 
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