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Old 26th October 2012, 06:00 PM   #41
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Quote:
Originally Posted by orpheus View Post
Any issues with chaining OTTO's? I have a USB to i2s converter, the MUX, and the DSD output from my SACD player via Teleporter to input to my Buffalo II. I thought I could use one OTTO to switch between the MUX and the SACD and output to another OTTO to switch between OTTO #1 and the USB to i2s converter. Would this cause any problems?

Stated more simply, three i2s sources(1, 2, 3), two OTTOS(A, B).
1 & 2 switched with OTTO A.
3 and OTTO A switched with OTTO B connected to the Buffalo II.

I could keep all the wires very short, stacking the OTTOS.

Thank you for your time and help.

-Aaron.
That should work fine.
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Old 26th October 2012, 06:17 PM   #42
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Yes you can absolutely do that.
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Last edited by Russ White; 27th October 2012 at 01:59 PM.
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Old 22nd February 2013, 01:06 PM   #43
Zebb is offline Zebb  United Kingdom
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All of Otto-II's inputs and outputs seem to have pull-down resistors (or are they pull-up). Why is that? Are they really needed?
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Old 22nd February 2013, 01:27 PM   #44
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Because it is good engineering practice. It keeps drains and sources referenced to GND even if they are left open.

It is a mux/demux so what is an input or an output is totally up to you.

Of course you can omit them. But I wouldn't. They do no harm.
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Old 14th March 2013, 09:54 PM   #45
DQ828 is offline DQ828  Australia
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Quote:
Originally Posted by Russ White View Post
Because it is good engineering practice. It keeps drains and sources referenced to GND even if they are left open.

It is a mux/demux so what is an input or an output is totally up to you.

Of course you can omit them. But I wouldn't. They do no harm.
So what resistor banks should I buy for switching between SPDIF inputs?
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Old 16th March 2013, 05:12 AM   #46
DQ828 is offline DQ828  Australia
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Ok, don't panic, I found them, didn't see them hiding amongst the terminal blocks that I hadn't opened.
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Old 15th August 2013, 09:13 AM   #47
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Default Led in otto2

Hello, I'm using a otto2 to switch between i2s and spdif using a switch. Operating properly. I would like to place an LED to indicate signal which is in use, how I can do it with otto2?. Thank you!
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Old 15th August 2013, 10:39 AM   #48
DQ828 is offline DQ828  Australia
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Originally Posted by albertob View Post
Hello, I'm using a otto2 to switch between i2s and spdif using a switch. Operating properly. I would like to place an LED to indicate signal which is in use, how I can do it with otto2?. Thank you!
You could use a 3 Pole Double Terminal switch, (3PDT)
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Old 16th August 2013, 01:29 PM   #49
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Quote:
Originally Posted by orpheus View Post
Any issues with chaining OTTO's? I have a USB to i2s converter, the MUX, and the DSD output from my SACD player via Teleporter to input to my Buffalo II. I thought I could use one OTTO to switch between the MUX and the SACD and output to another OTTO to switch between OTTO #1 and the USB to i2s converter. Would this cause any problems?

Stated more simply, three i2s sources(1, 2, 3), two OTTOS(A, B).
1 & 2 switched with OTTO A.
3 and OTTO A switched with OTTO B connected to the Buffalo II.

I could keep all the wires very short, stacking the OTTOS.

Thank you for your time and help.

-Aaron.
That should be fine. It will come down to keeping the wiring neat.
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Old 2nd January 2014, 11:42 AM   #50
RollE2k is offline RollE2k  Sweden
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i forgot to ask - if using external MCK from say two i2s sources - does this "switch" really work problem free with up to 100MHz?
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