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mdx400(at)hotmail.com
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 Posted: Tue Mar 10, 2009 11:50 am Post subject: A few XA-D211 optical adaptors for sell |
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I remember that this was discussed before but I can't remember what was said back then...� The "Unilink Digital Out" connector on the back of these units is a�3 or 4 (?)conductor/contact interface�IIRC.� It's non-standard/proprietary in that it's obviously not a coax digital output C and no other devices are�like this.�
�
However�the basis of operation is the same as any S/PDIF output.� You're going to�have an electrical�S/PDIF signal in there which is either going to be at TTL (5V) signalling level or coax level (0.5V).� Coax levels are used externally C outside equipement; TTL levels are used internally C in the circuit paths in any given CE device.� The other contacts are surely for the power supply to make the adapter operate (power the emitter).
�
I can't remember now but I'm pretty sure�most toslink emitters use TTL signalling input.� So what you'd need is that TTL S/PDIF signal.� If that is not in the connector jack there C you'd have to�get it off the board somewhere�(it's not that difficult).� Then you just need ground and +5V power (to power the LED in the emitter).� Connect those up to a standard TOTX emitter and you're off to the races.��Technically you're supposed to use a diode or some such in a simple�circuit I believe to buffer the�TTL signal (or something like that) but it's simple to put together.� There are many diagrams/references on the intarwebs--just search for�wiring a toslink emitter C and you should find everything you need to�know.
�
Back when the D210/D211 was like $30-$40 it was pointless to try to construct something like that as you might as well just buy the dedicated part and plug it in.� But now that the prices are ridiculous and in the sky on these things?� I'd take the time to learn how to do it and put buy the parts for all of what will be like $25 and just make it myself.�
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In fact C with prices like that C I'm tempted to sell the one D210 I do have and just make the circuit myself and cash in on the crazy people buying these things at those prices.
�
Roland M.
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| Quote: | Subject: Re: A few XA-D211 optical adaptors for sell
From: johngribble(at)comcast.net
Date: Fri C 20 Feb 2009 00:19:13 -0800
To: xdp4000x-list(at)matronics.com
--> XDP4000X-List message posted by: "thewiz666" <johngribble(at)comcast.net>
mdx400(at)hotmail.com wrote:
>
> I don't need one (glad I don't) but if I did I would probably just?make my own off the S/PDIF signal from the?board and an optical?emitter--would probably cost like $20 tops...
>
How would you go about doing that? My 211 is still NIB C but if something ever went bad C I'd like to know how to build what you mention.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=231185#231185
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betimmm
Joined: 14 Jan 2009
Posts: 2
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| Posted: Wed Apr 01, 2009 2:51 am Post subject: Re: A few XA-D211 optical adaptors for sell |
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So... how much for an adapter?!
I have to take advantage that i have a friend spending vacations in USA (until 12.april) so that he can bring it to me (im from brazil)...
Wich is the best price you can afford?
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