[ILUG] simulating a leased line for testing

[Kevin Gannon]

>It was me who was looking for the info below, and I've tried it and it
>works a treat.  I believe these modems were used
>every where by Eircom before they came up with the latest ones, so they may
>be relatively easy to come by if anyone is looking
>for a cheap leased line simulation to play with.  Thanks again Kevin.

Of course I must point out that the modems still belong to Eircom ;-).

I wonder how many people have seen the older Eircom modems used
for links to Eirpac.

Regards,
Kevin

>Regards,
>Dermot
>
>
>Message: 6
>Message-Id: <5.0.2.1.0.20010321103940.00a39600 at 216.122.217.122>
>Date: Wed, 21 Mar 2001 10:40:58 +0000
>To: ilug at linux.ie
>From: Kevin Gannon <kevin at gannons.net>
>Mime-Version: 1.0
>Content-Type: text/plain; charset="us-ascii"; format=flowed
>Subject: [ILUG] [OT]Nokia Modems Back to Back wiring
>
>Someone asked for details on how to simulate a leased line using two Nokia
>baseband modems details below:
>
>
>If these are Nokia 4 wire NTUs with a 6 wire RJ socket then the transmit is
>on 1&2 receive on 5&6 - so just cross 1&2 with 5&6 both ways with twisted
>pair wiring. The pairs are balanced so polarity does not matter.
>You have to set one modem for master clocking & one for slave clocking.
>
>
>If they are the older Nokia ones then strap A2 is in for slave and missing
>for master. Strap A6 would often be in to set speed to 64K and would be in
>both modems.
>
>Regards,
>Kevin
>
>
>
>
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