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Re: Serial Port extensions and multipliers



Hi

I use quite a few of  mss100 devices connected to my serial devices...these
then connect to my lan network......
http://www.lantronix.com/device-networking/external-device-servers/mss100.html

I also use a serial device from B+B Electronics which i have connected to
my
spare Homevision unit..This currently controls my RGBLED Garden lighting
and
my Vegie Garden irrigation system...
http://www.bb-elec.com/images/product_images/232BSS4_large.jpg

HTH
Frank

----- Original Message -----
From: "noughtomate" <balraj_jassal@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, October 08, 2010 9:53 PM
Subject: [ukha_d] Serial Port extensions and multipliers


> Hi,
>
> I'm new to the world of RS232 comms and just figured out I can talk to
my
> Comfort alarm system using Serial port. I use the mControl home
automation
> software have been thinking of writing a few scripts to automate
arming
> and dis-arming.
>
> But aside from this, I am now considering control of my Amplifier,
Sky-HD
> box and others in my main lounge.
>
> But this is all new ground to me... So a few newbie questions :
> - Does serial DB9 support connectivity over a long distance ? The
distance
> between my NodeZero and AV Stack is about 15 meters. I've pre-wired 8
core
> alarm cable, CAT6 and Co-Ax...
>
> - Can serial comms be port- multiplied ? i.e. Single Serial port ->
> multiple receiver devices ?
>
> Whether the answer is yes or no, what's the workaround ?
>
> I would imagine most Motherboards support maximum of 1 or two serial
> ports, so how do you guys get over this if you want to control more
than 2
> devices over a distance of say 15 meters ?
>
> Thanks
>
>
>
> ------------------------------------
>
>
> Yahoo! Groups Links
>
>
>



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