Every TNC I've ever used required a standard (straight-thru) serial cable.
TNC's are configured as DCE (data communications equipment, same as a
telephone modem), and your computer's serial port is configured as DTE (data
terminal equipment). Null modem cables are only needed when connecting DCE
to DCE or DTE to DTE, unless the manufacturer did not follow the RS-232
standard....
73,
George, KA3HSW
----- Original Message -----
From: "Jeffrey Okamitsu" <w3kl@w3kl.com>
To: <rtty@contesting.com>
Sent: Sunday, May 11, 2008 8:58 PM
Subject: [RTTY] TNC Question
> Hello.
>
> I have a Kantronics KAM Plus TNC.
>
> Does anyone know if the unit requires a standard
> serial cable or a null-modem cable between the TNC and
> the PC?
>
> Thanks in advance.
>
> 73,
>
> Jeff W3KL
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