Serial Ports

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Mon Sep 22 17:48:36 UTC 2008


On Sat, Sep 20, 2008 at 12:47:55PM -0400, Merv Curley wrote:
> On Thursday 18 September 2008 23:21, Merv Curley wrote:
> 
> Ok I have checked the usb to serial adaptor and it is recognised 
> as /dev/ttyUSB0.
> 
> So I un-initialized the modem, and got my computer to transceiver control 
> back.
> 
> Then I initialized the modem and USB serial port, immediately I lost control 
> of the transceiver.  So it isn't my serial card.  Permissions?   Some other 
> Linux feature ???

Sounds weird.  Never seen anything like that.  The USB device and 8250
device should have nothing to do with each other.

> Lennart,  are you using RTS/CTS on both your devices?

I do yes.

> Now that I have a free Serial port, I am going to connect my old Sportster 
> modem and see if it works.  Now to find that old manual and see how to 
> configure an old fashioned modem, unused for 6 or so years.
> 
> I used to use 4 serial port devices but this digital modem [ For the other Ham 
> here; a Rigblaster Plus ] is the new piece of equipment.  No other Linux hams 
> on two lists are using the exact combo's of equipment that I have.  Windows 
> users with this gear combo are reporting no problems with Serial ports.
> 
> I seem to attract problems,  sigh.

Which kernel are you running?

-- 
Len Sorensen
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