Re: Zaurus C3200 and connectivity/interfaces?

On Friday 13 October 2006 17:19, Angus Ainslie wrote:
> On Fri, 2006-13-10 at 17:06 +0100, Chris Bradshaw wrote:
> > Hi....
> >
> > Thanx for this.
> >
> > Even if an 11g card will only operate at 11b speeds, would
> > something like Kismet still be able to recognise 11g traffic?
>
> No it won't be able to snif G traffic. It should still find G
> networks because the beacons are the same.
>

Resending from different email address

I'm not sure this is true! Certainly the conexant based USB devices can 
use and sniff 802.11g with USB1.1. (This was not done on a zaurus, I 
have no idea which g devices *are* supported on the zaurus)

There are several good reasons to use g, even with USB1.1

If you really want the speed, there is a slight improvement. You won't 
see much more than 5Mbps out of 802.11b, but you can get about 8-9Mbps 
of real throughput over USB 1.1. (Again I don't know about the zaurus, 
this is just what is possible).

Another is that using a b client on a g AP causes the AP to use "ERP" 
mode, which slows down all the links. Effective throughput compared 
with a 802.11g AP with *no* b clients goes from say 23Mbps to 17Mbps.

Finally, the packets sent from/to the zaurus will be shorter, thus 
increasing the effective bandwidth available for everyone else.

For my comments on the serial port, please see: 
http://www.oesf.org/forums/index.php?showtopic=20285
Note I wanted to use as a kernel output device, you don't need to change 
the kernel to use as a normal serial port, but you do need the level 
shifters.

These people sell a cable with level shifters, but I don't know if it 
works with the c3200:
http://www.serialio.com/products/adaptors/ZThinCable.htm

I got the connector to make my own serial cable by buying a cheap usb 
sync and change cable for the 5500/5600/6000/C860, and cutting the 
cable up. It is very difficult to get the connectors in small 
quantities otherwise.

The connector is the same.

Thanks,
Tim



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