You cannot connect to modems directly against each other. A modem does
Modulation/Demodulation so you need some kind of phone switch in between.
There are quite a bit of Line simulators for sale at ebay and they generally
cost $150-$200; It's a good price since you can sell it at ebay once you're
done with it.
I think the most popular ones are the Teltone TLS-3, TLS-4 and TLS-5. This
is the same company that makes the Teltone ISDN Simulators...
Kenneth Lorenzo
""George Sherman"" <[EMAIL PROTECTED]> wrote in message
8tr40b$jr6$[EMAIL PROTECTED]">news:8tr40b$jr6$[EMAIL PROTECTED]...
> I am trying to do a DDR lab and would like to connect a sportster modem to
> an async port of a 2510 and another sportster modem connected to the
async
> port of a 2521. The two routers are connected via the telephone line cable
> that came with the modem. Do I need a crossover cable to make this work?
>
>
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