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Date:      Thu, 28 May 1998 21:34:54 -0300 (EST)
From:      Luiz de Barros <luiz@nlink.com.br>
To:        Julian Elischer <julian@whistle.com>
Cc:        Edwin Culp <eculp@ver1.telmex.net.mx>, isp@FreeBSD.ORG, support@etinc.com
Subject:   Re: Cabling problems with etinc?
Message-ID:  <Pine.BSF.3.96.980528212433.18806D-100000@mirage.nlink.com.br>
In-Reply-To: <356DC2C3.794BDF32@whistle.com>

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Julian, Edwin, Dennis, ALL,


Lets see if i understood.
I need to change these pins on the Standard V.35(DB-25 side ) cable
bundled with the FCD-2L V.35 converter, ok?
Do you have the V.35 to DB-25 cable ( the one that comes with the 
converter ) pinout? As i did not have the pinout, i made my own cable and
tryed connecting some clocks like Rx and TXDCE, etc with no success.

Does anybody have etinc's non-standard V.35 cable pinouts?

Luiz



On Thu, 28 May 1998, Julian Elischer wrote:

> Luiz de Barros wrote:
> > 
> > Dear Edwin and ALL,
> > 
> > I think i was not very clear.
> > We have now a pathrouter here and a Cisco 2509 router on the other side (
> > The backbone presence provider ). The connection is at 256Kbps via
> > fractional E1.
> > I would like to put one of the ports from etinc ( 0 or 1 ) connected to
> > the CSU/DSU ( Converter ) and take out the cyclades router ( FreeBSD is
> > quite better than a single router ).
> > My CSU/DSU has a V.35 cable that works very fine with no problem if i
> > connect it to a Cyclades, Cisco, IBM router  but not with etinc ( putting
> > etinc instead of the router ).
> > I thought it could be a cable incompatibility but it seems quite strange,
> > as all routers work with it. I tryed connecting RXclockA to TxclockA and
> > TxclockB to RxclockB on etinc but it did not work as well. Why should the
> > converter not work with etinc and work with a router?
> > 
> > Luiz
> 
> >From memory etinc used a slightly non standard pinout.
> to make an etinc cable work on a standard router:


Hummmmm..... I want to connect it to  a Converter?
Is the DB-25 cable you are talking about the one from the converter,
isn't it?
> 
> on the DB25 end you need to have the wire that goes to 11 go to 13
> instead
> and the wire that goes to pin 17 go to 23 instead
> and the wir ethat goes to 9 should go to 17


> 
> obviously, reverse these to get a standard cable to work on an etinc
> card.

Reverse? Could you explain in more detail?

> 


Ok.

> At least that's what I have in my notes..
> 
> I once needed a DB25 to V35 cable and had an etinc card
> so I canibalised it's cable. I needed to make these changes
> (or something similar) to make it work on a router.
> 
> so the answer is:
> Use the etinc cable on the etinc board and don't get it confused 
> or mixed in with the other cables or you'll give yourself trouble.
> 
> julian
> 


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