At 01:15 PM 21/05/2006, Brian Candler wrote:
On Sun, May 21, 2006 at 11:09:23AM -0400, Mike Tancsa wrote:
> The internal USR seems to correctly see the carrier drop and PPP
> hence sees it. However, the 2 external Intels I am experimenting
> with on the USB serial ports do not.
USB-serial adaptors tend to be very broken, unfortunately. I don't know
about under Windows, but under FreeBSD/Linux where drivers seem to be
reverse-engineered, several I've tried don't seem to handshake properly. I
tried two back-to-back to run a local pppd link and it failed (haven't had
time to debug that one)
IMO there's no substitute for a real COM port.
I was hoping to use some of the Soekris 4801s which have limited
expandability. I need 2 serial ports for the application and then
the modem of course. Under FreeBSD I have used the uftdi based
adaptors for OOB console access and they seem to work OK.
A pair of analogue modems will never negotiate v90,
This is the modem connected to my terminal server which is connected
via PRI. I dont have any analog modem to analog modem setups.
---Mike
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