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Cat 5 Splitter?'s

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I have controllers in every building on the property now lol. But the house is in the center. Is it possible to run a cat 5 router/splitter in line so I can run 2 cat 5 cables out of my basement. If I cant im going to have to back track cat 5 for about 150 feet and that seems like a waste to me!

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Sounds to me like you should go wireless with the Easy Light Linker.

If you still want to use wire, what you are looking for is an RS485 hub. I am not familiar with them, but there are several threads that discuss them.

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Just a note that you're not supposed to split an RS485 signal like that. Nothing terrible will happen, but you might find that your network becomes unreliable. And it's bound to happen at the worst possible time (like it will work until the big night when the TV is coming to do a live broadcast ;) )

Also, just for the record (never know who is reading this, now or in the future): Never, ever, ever use an ethernet hub or switch to attempt to branch an LOR network.

Edited by tfischer

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We are not supposed to use RJ11 cable and LOR controllers are specifically built for it. Last year I built a network that had more splits than a bleach blonde and it ran at a speed twice as fast as what most LOR networks run at - surely a recipe for failure but still it worked. I suspect more problems are caused by people rolling up their data and power cables and other such issues.

While I'd agree I would try to stay away from splitters, sometimes it's just the best solution. For those that want all the gory details, along with scope traces - check this out: http://www.maxim-ic.com/app-notes/index.mvp/id/763

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We are not supposed to use RJ11 cable and LOR controllers are specifically built for it. Last year I built a network that had more splits than a bleach blonde and it ran at a speed twice as fast as what most LOR networks run at - surely a recipe for failure but still it worked. I suspect more problems are caused by people rolling up their data and power cables and other such issues.

While I'd agree I would try to stay away from splitters, sometimes it's just the best solution. For those that want all the gory details, along with scope traces - check this out: http://www.maxim-ic....ndex.mvp/id/763

Are you talking about rf interference when you said rolling up the power and data cables?

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We are not supposed to use RJ11 cable and LOR controllers are specifically built for it. Last year I built a network that had more splits than a bleach blonde and it ran at a speed twice as fast as what most LOR networks run at - surely a recipe for failure but still it worked. I suspect more problems are caused by people rolling up their data and power cables and other such issues.

While I'd agree I would try to stay away from splitters, sometimes it's just the best solution. For those that want all the gory details, along with scope traces - check this out: http://www.maxim-ic....ndex.mvp/id/763

Thanks for this post. You're the first person I've seen that has given hard data that it just might work in practice :)

On the other hand, not sure what you mean about "not supposed to use RJ11 cable" - are you referring to the flat stuff? I know that for some reason Dan said that was OK, but recommended against splits...

Edited by tfischer

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Thanks for this post. You're the first person I've seen that has given hard data that it just might work in practice :)

Ahhh good one! Criag where are you - how I miss our CV vs. CC debates! :)

The issue here is that there are too many variables for either "side" to be "right". Cable quality, cable placement, transmitter output levels, receiver load, repeating, Tee's, etc. So it's pretty hard to say any solution will or will not work. Trust but verify.

On the other hand, not sure what you mean about "not supposed to use RJ11 cable" - are you referring to the flat stuff? I know that for some reason Dan said that was OK, but recommended against splits...

From Dan over at LOR:

http://forums.lightorama.com/view_post.php?post_id=203810

"In general a LOR network does not require a terminator. When people do use them (with LOR), it seems that they make things worse as often as they make things better.

Before I ever sold a controller I tested the LOR network run at 2000ft using 100ft flat phone cables (from a $1 store a great bargain!) and connected them using cheap connectors from the same store. It ran well at all speeds. With CAT5 cable which most people use we have seen very few issues even with very long runs and lots of controllers.

Dan"

Of course in a "real" RS485 network you wouldn't want to use dollar store wire and then not put any terminator but there is "the man" advocating both.

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Ahhh good one! Criag where are you - how I miss our CV vs. CC debates! :)

Not sure what you mean by that - I was being sincere. I've never heard anyone say they've tried a network with lots of splits and had no issues. I'm glad you posted that yours worked.

Is this true with DMX as well?

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