Not to mention that a TR card goes through a lobe test before attempting
insertion into the ring. The lobe test is effectively a loopback at the
MAU, a crossover cannot do this.
rgds
Marc
Priscilla Oppenheimer wrote:
>
> ha wrote:
> >
> > hi
> > can 2 token ring interface direct connected with a crcoss
> > cable.i've
> > carefully read the pinout at CCO and make sure it's right,but
> > it did not
> > work.
> > must i buy a MAU to let them work correctly?
> > thanks for your help
>
> Token Ring uses an "active repeater," i.e. a MAU. A NIC sends to its
> downstream neighbor and receives from its upstream neighbor. For this to
> happen, a relay, i.e. a MAU, must relay the bits. A MAU is basically a set
> of relays.
>
> Well, that's a convoluted way to say you need a MAU. You can probably get
> one really cheap on e-Bay.
>
> Priscilla
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