2 Wireless Interface Question

James Sentman james at sentman.com
Thu Jan 4 22:51:03 PST 2007


On Jan 4, 2007, at 10:12 PM, Scot wrote:

> In an effort to cut down on the number of USB devices connected via  
> USB/Serial adaptors I'm experimenting with a CM15. But until I get  
> an auxiliary antenna built for it I'll still be using the W800.  
> That being the case, the CM15 is reporting wireless events in the  
> XTension log, but I haven't noticed any other problems. Should I be  
> worried about having two apparently active wireless interfaces? If  
> so, how can I disable one (preferably the CM15) until the new  
> antenna is ready?


What have you got against USB/Serial adaptors? ;) I have 9 of them  
plugged in here at any given moment and none have given me any  
trouble ever since Keyspan updated their most recent drivers. And the  
FTDI based ones were cheap (around $15 or $20 I think) and have never  
caused me any pain at all. They are no more or less apt to cause  
generic USB troubles than any other. As a receiver my w800 is  
superior than the CM15, even one modified with an antenna input that  
I've done here for testing.

The CM15 is a neat device since it also transmits and it does it all  
in one box, but even modded it is no replacement for a W800 not to  
mention the timing issues involved in receiving wireless and  
immediately sending an X10 command in response.

My suggestion is to stick with the W800 and keep the CM15 for backup,  
or to run an extra long coax to an antenna on the other side of the  
building if you have trouble with the range and use it AND the W800.

That being said, the answer to your other question is that there is  
no danger in having them both plugged in and active at the same time  
other than it filling your log with received messages.

-James


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