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Re: napco ma-3000 serial connection



On 16 dec., 22:06, Jim <alarmi...@xxxxxxx> wrote:
> Is the PCI 2000 the device that keeps the line open? I've never used
> one. =A0If so, all you have to do is add a telephone handset on the line
> that you're using to download and keep the receiver off the hook.

Yes. My intention is to use a serial cable and connect MA3000 to PC
without any modem. I'm not sure if it can be done. What I need is the
pinout for J3.




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