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Topic:
MSC-400 and MRF-300 questions
This thread has 3 replies. Displaying all posts.
Post 1 made on Friday November 10, 2006 at 05:00
learninght
Long Time Member
Joined:
Posts:
November 2006
18
I'm working with a large installation and my prior expereince is limited to MX-950 with MRF-250 devices. I'd like to move up to the MX-950 with MSC-400 for central core but still need RF control for local non-line-of-sight stuff, such as up/down lift control of a TV that hides in a cabinet and hope to use MRF-300 for those situations.

Can one MX-950 be used to hit both an MSC-400 and a MRF-300? Does using the MX-950 with MSC-400 preclude use of the MX-950 IR output for turning TV on/off?

What is maximum distance from an RX-250 to MSC-400 or MRF-300? I need about 500 feet to furthest point. I can use a dedicated CAT-5 cable (4 grounds, etc. as Eric outlined) or coax. Are ther any guidelines for expected range (disregarding RF interference) with these differnt wire types?

I've looked through what documentation is available on the UR website for the MSC-400 and the MRF-300 but have not found these answers. Any advice offered is appreciated.

Thanks,
John Acres
Post 2 made on Friday November 10, 2006 at 07:24
Ericjb
Active Member
Joined:
Posts:
February 2004
655
Good move switching from the MRF-250 to the MRF-300, you will like working with the 300 much better.

Yes, you can use one 950 to talk to many different bases, including an MSC-400 and MRF-300. You can actually talk to 15 different bases each on a seperate address and still use IR from the remote for the TV.

I am not sure what the max distance would be for the RFX antenna though. Running that kind of distance you may want to run something heavier such as 18/4 shielded.

If you really need to go 500 feet, one idea may be to hide another MRF-300 somewhere in the middle (like in a closet) around 250 feet because I believe the MRF-300 acts as a repeater (i.e. it will receive RF from the RFX on the RF input then regenerate a new signal with a bit of a boost on the RF out which you could run to the RF input on the MRF/MSC you will have sitting by the equipment.)

Maybe if Eric Johnson is reading this he would have some input on the maximum distance you can run a RFX and on what type/size of wire, and maybe have some input on using an MRF-300 as a repeater/booster.
There are 10 types of people in this world,
There are those who understand binary,
and those who don't!
Post 3 made on Thursday November 16, 2006 at 18:09
brucewayne
Advanced Member
Joined:
Posts:
March 2006
895
I don't know for sure but if it helps the mrf-300 to rfx 150 was 150-200 feet , I don't think it will go 500 feet . to go 500 ft you will need to power the rfx separatly i think. that what i was told
brucewayne
Post 4 made on Thursday November 16, 2006 at 19:54
Eric Johnson
Universal Remote Control Inc.
Joined:
Posts:
May 2001
705
Eric is correct, you can buffer a long run with an MRF-300 in the middle. We would love to help anyone who would like to do some real world testing. I have some ideas on what wire to try etc.
Best Regards,
Eric


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