John P. Leonard wrote:
>
> How do you access the handshaking lines:  RTS, CTS, DTR & DSR? (I have an
> application ((PIC, of course)) that would use these for other functions.)
>
> Has anyone had any experience with the Holtek 12A/B remote
> encoder/decoder chips?  Specifically, can you increase the resonator freq.
> from 455kHz to maybe 2MHz?
>
> John

Try www.marshallsoft.com (RS-232)

Miguel.