I have a usb/rs232 device that uses the pl2303 kernel module. I'm using
it on my Linux machine to drive a TNC and I previously used it on the
gateway prior to moving. I can't fault it's reliability and, given the
feedback re FTDI devices I expect similar success.
Ray vk2tv
On 22/08/12 23:34, Fred Hillhouse wrote:
FWIW, I have one of these and I have used it on my WinXP and Win7 machines
without a hitch. Of course all of my USB<>RS232 adapters (FTDI and Prolific)
work without a hitch. Having not used Linux, YMMV.
Best regards,
Fred, N7FMH
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Ray Wells
Sent: Wednesday, August 22, 2012 00:48
To: [email protected]
Subject: Re: [Xastir] Hardware
Thanks for the suggestion re FTDI. I already have a powered
hub and, in fact, the RPi runs from it. I've been evaluating
soundmodem and although I can see traffic with
soundmodemconfig, results are generally quite disappointing
with regard to reliability and repeatability. I have similar
disappointment with my main computer, not just the RPi so
I've decided TNCs of one sort or another is the way to go.
Ray vk2tv
On 21/08/12 21:20, Andrew Errington wrote:
On Tue, 21 Aug 2012 19:35:18 Ray Wells wrote:
I'm setting up a Raspberry Pi to use as an aprs gateway
(30m, 2m and
2m satgate).
Does anyone on the list have any thoughts on using a USB to 4 port
RS232 adapter to provide serial ports for TNCs. The RPi
has only USB.
Ray vk2tv
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Should be fine, but I would make two recommendations (not
that I am in
the same situation, but here's what I would do if I was).
1) Use a powered USB hub
This will reduce the load on the RPi PSU and circuitry.
2) Use FTDI-based USB-to-serial-converters Each one has (or should
have) a unique serial number which can be queried by udev. You can
use this feature to ensure that you can map the same device to the
same port every time you reboot.
73,
Andrew
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