USB-Serial Adapter (PL2303) Port Speed
Jacob S. Barrett
jbarrett at amduat.net
Thu Jun 3 15:29:03 GMT 2004
On Wednesday 02 June 2004 14:56, "Jacob S. Barrett" <jbarrett at amduat.net>
wrote:
> I am attempting to use a PL2303 cable to my cell phone as a modem. All
> works fine under Windows at port speed of 115200. It works fine under
> FreeBSD at 19200, but nothing higher. When I set a higher port speed,
> 38400, 57600 or 115200, the ppp chat session times out on the first AT
> command.
I figured it out. The application that came with the cable executes
"AT+IPR=19200" when it is done, leaving incapable of connections at any other
speed. When the software starts it connects at 19200 then calls
"AT+IPR=115200" drops and re-connects at 115200. The phone doesn't seem to
support "AT+IPR=0" which is autodetect. Once I connect to it at 19200 and
set the IPR to 115200 with cu before calling ppp it works fine at 115200.
Hopes this comment helps someone googling for a solution down the road to a
similar problem.
--
Jacob S. Barrett
jbarrett at amduat.net
www.amduat.net
"I don't suffer from insanity, I enjoy every minute of it."
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