[Duo2400] weird serial port on duo 280c

[Tom and Lisa P]

>as a PC user the standard (and always the same) 9pin
>RS232 port on a PC is 'normal' to me.. but the port on
>this mac... thats a different story... according to a
>document i found on the web pins 1 & 2 should be
>hardware handshake... but on this 280c they dont seem
>to work.. is this true? or have i got a flaky driver?
>(i cant get the port to open in 'hardware handshake'
>mode) i read somewhere that the 128K and 512K (i think
>thats the right number) macs had their HSKo pin held
>high by tying it through a resistor to the powersupply
>(cute). i dont mean to offend any mac users but apple
>would have done well to be consistant with their
>design (in other words they should have -all-
>supported hardware handshake .. either that or have
>never supported it at all)
>thank you
>
>--sam

As far as I know, the serial port should be standard, capable of 
driving an external modem (although I havnt tried).

Make sure the Appletalk control panel is set to modem port for communications.

Mad Dog