Hi All,
I just cut and paste the following FYI.
Actually, there is such an animal as a Token Ring crossover cable. You are
correct that you can't use one to "back to back" Token Ring ports. They are
used in our environment for a direct station attachment (Cisco router ports)
to Bay Networks C100 Tokenspeed switch ports.
The RJ-45 pin outs are:
1-->1
2-->2
3-->4
4-->3
5-->6
6-->5
7-->7
8-->8
Hope this help and save some time.
anyong
""EA Louie"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Check the archives at www.groupstudy.com for token ring crossover -
someone
> has a way of doing that and I think they posted the solution back in March
> or April of this year.
>
> ----- Original Message -----
> From: Engelhard M. Labiro
> To:
> Sent: Friday, August 17, 2001 8:41 PM
> Subject: Re: 2513 to MAU RJ-45 connection? [7:16426]
>
>
> > Hi,
> > I have 4 2612 (one RJ45 Token Ring I/F), how
> > do I connect these routers` Token Ring I/Fs
> > back-to-back?
> > I tried using a UTP 5 straigh/cross cable but
> > the link is down/down state.
> > Searching the CCO but only come up connecting
> > MAU to RJ-45 as you mention below.
> > Any idea ?
> >
> > Thanks,
> >
> >
> > ----- Original Message -----
> > From: "EA Louie"
> > To:
> > Sent: Saturday, August 18, 2001 9:04 AM
> > Subject: Re: 2513 to MAU RJ-45 connection? [7:16426]
> >
> >
> > > Here are your basic tradeoffs, including cabling, which is probably
the
> > most
> > > crucial aspect of T/R
> > >
> > > IBM MAU
> > > Pro: patch cables easy to find (sometimes free), works well with
native
> > > (DB-9) T/R connector
> > > Con: cabling bulkier (STP), relays tend to stick if MAU is jarred in
> > > transit, requires RJ-45 to IBM Data Connector adapter at the MAU side
to
> > > work with UTP cabling
> > >
> > > RJ-45 MAU
> > > Pro: cabling is normal Cat5 unshielded twisted pair (UTP), works well
> > with
> > > PC NICs that have an RJ-45 port
> > > Con: need media filters to adapt DB-9 (on routers) to RJ-45
> > >
> > > ----- Original Message -----
> > > From: chris klebl
> > > To:
> > > Sent: Friday, August 17, 2001 4:33 PM
> > > Subject: Re: 2513 to MAU RJ-45 connection? [7:16426]
> > >
> > >
> > > > besides cabling, are there any advantages to going with an IBM vs an
> > RJ-45
> > > > MAU?
> > > _________________________________________________________
> > > Do You Yahoo!?
> > > Get your free @yahoo.com address at http://mail.yahoo.com
> _________________________________________________________
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