Re: Sun IPX and PPS via serial port

[Ken Hornstein <kenh%pobox.com@localhost>]

>The wiring appears fine, I do have a signal right at the DCD pin 
>entering the IPX.

From first glance, you've done all the right things.  Have you actually
verified that the DCD signal is actually changing at the hardware level,
via a breakout box or something like that?

You could put a printf in zstty_stint() to see if DCD status changes
are actually making it into the kernel.

--Ken