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Replay 5xxx pass-through frequencies?

641 Views 7 Replies 7 Participants Last post by  mark66
Is the RTV capable of passing through all of the digital channels on the RF in to RF out? I think that would be up to 900MHz or so. I have a TV with two inputs and I want to add a digital cable box. If the RTV could pass through all digital channels when it's off it would make my setup easier. (I'll be brinking my STB svideo back to the RTV inputs.)


Thanks.

Mark
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As far as I know, the 5xxx series units do NOT pass RF on the Coax out when they are off.



But, if you get a 4xxx unit, they do I believe...
Quote:
Originally Posted by blacknoi
As far as I know, the 5xxx series units do NOT pass RF on the Coax out when they are off.
You'd be wrong, 5xxx series DO pass the RF from the In to the Out when they're off.


However, I have no idea what the limitations are, so not much help to the OP.
Quote:
Originally Posted by Ace987
You'd be wrong, 5xxx series DO pass the RF from the In to the Out when they're off.


However, I have no idea what the limitations are, so not much help to the OP.
That goes against what I remember, I thought it was a big deal since the 5k was the first product to not do it. Everyone was upset about that. I could be wrong, I've never really looked at it past the initial check that what people were saying was correct. That was years ago...


Sorry, not much help either. I don't know any reason why they wouldn't be able to pass through everything, but I have nothing to back it up. Would be neat to run cable through an rtv and then to a cable modem and see what you get. that would give you the 5KHz to 1GHz range test.
I don't remember for sure, but I thought they did pass RF coax in to coax out when they were turned off, but not when they were turned on. Previous 4xxx series had one of those vcr/tv buttons that allowed you to enable bypass while the unit was on. Again, I've never used the bypass feature so I could be remembering wrong.
5xxx definitely passes RF coax in to coax out when the unit is turned OFF. It will not be passed when the unit is ON, however.


That said, I am not sure whether it will pass the full range of frequencies needed to feed a digital cable box. It will certainly pass the analog channels just fine (again, as long as the RTV is OFF).
The Replay 5xxx will pass the downstream of the digital channels. But since the digital channels require a reverse connection to the provider (and the by-pass is working in only one direction), it's a pointless question.


PS:

Digital cable channels typically are allocated above 552 MHz, the upper frequency of cable channel 78. (Over-the-air channels are at higher frequencies than cable channels.) Between 552 and 750 MHz, there is space for 33 6-MHz channels (231–396 SDTV channels); when going all the way to 864 MHz, there is space for 52 6-MHz channels (364–624 SDTV channels).

Since the pass-trough is able to work with OTA channels, will be able to work with all the cable frequecies. But only one-way.
Good point. I know that the Replay will definitely pass through the RF connection, but I didn't think of the reverse direction needed for the STB.
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