Re: ax.25 using WAN cards

[Ralf Baechle DL5RB <ralf@linux-mips.org>]

On Fri, Mar 21, 2008 at 04:21:17PM +0200, İskender YİĞİTEL wrote:

> Hi everybody. I am curious about using a PC + PCI HDLC card + Modem instead
> of PC+TNC+Modem configuration. What is the most suitable solution (I mean
> hardware and drivers) for this kind of approach. Can you suggest any cards
> and where can I find them? 
> 
> I wonder if is it possible to use a WAN card (supporting HDLC, PPP, X25) for
> AX.25. There are many HDLC cards that are currently being sold but most of
> the cards nowadays are not based on Z8530 or Z85130. Although the prices of
> these cards are high, these new generation WAN cards support HDLC, cisco
> HDLC, X25 etc. at very high speeds. Is it possible to use such a card for
> ax.25? If yes which drivers must be used?

For the hardware which I'm familiar with the support for higher level
protocols such as HDLC would need to be disabled running them effectivly
as dumb highspeed UARTs.  Some of such interfaces have reloadable firmware
but the architecture and interfaces rarely seem to be documented.  So
what you suggest isn't impossible but it's not (always?) quite trivial.

73 de DL5RB op Ralf

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