No Input from AVID HD I/O
OS - 10.15 Catalina
Pro Tools Version - Ultimate Hardware - Switchcraft PT16FX2DB25 to PT16MX2DB25 via a DB25 cable to Focusrite ISA828 Mk2 to AVID HD I/O I cannot get an input signal in any track on Pro Tools. :confused: Solid output via S/PDIF to PreSonus Monitor Station v2. |
Re: No Input from AVID HD I/O
Hi, welcome to the community.
Please take a look at the Help Us Help You page linked to the forum header. How are you connecting HD interface to your computer? It needs to be via DigiLink, it will not work standalone. |
Re: No Input from AVID HD I/O
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Re: No Input from AVID HD I/O
Then which version software you are using? Compatibility info here.
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Re: No Input from AVID HD I/O
More info might help. But also much of the likely testing you just have to do yourself.
Has this ever worked for you? What changed? Lights on the HD I/O box? Is the HD Native showing up as the playback engine? If not is Pro Tools actually starting up and saying in the splash screen that it is HD or Ultimate? Does the HD I/O pass Digitest? Did you try Defaulting IO>{input, output}? Have you checked that the DB-25 cables have correct pinouts. I don't care what it says on the cables, actually check with a multimeter/continuity tester. You tried testing just the line level inputs? If nothing else check you have a correctly wired DB-25 cable and connect that cable between HD I/O output and input, and bung the signal gen plugin on an output(s) and test. Maybe test if any of the chassis digital inputs work. Done any standard troubleshooting? Always start by trashing prefs. See under "Help us help you" up the top of ever DUC web page. |
Re: No Input from AVID HD I/O
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Re: No Input from AVID HD I/O
Using Pro Tools Ultimate 2022.10
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Re: No Input from AVID HD I/O
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DB-25 connectors not surprisingly have pins numbered from 1 to 25, typically the numbers are printed into the plastic in small type right next to the pins. Hold the multimeter probes on the pins on each connector and make sure the matching pins and only the matching pins have continuity. The meter will beep in continuity mode when there is very low resistance (i.e a continuous circuit) between each lead. Analog balanced audio DB-25 to DB-25 cables will just connect each pin to each pin, typically with no connection between pin 13. Make sure you are not using a digital cable by mistake which is very different. See https://tascam.com/downloads/tascam/...-25_Pinout.pdf. Be careful wether you are looking at the connector or illustrations of it from the front of back as the pin layout/numbers will reverse. |
Re: No Input from AVID HD I/O
Does the Focusrite ISA have the digital option card? Want to ensure you're going Analogue Out of the ISA into the Analogue In of the HD IO.
Unless you're going AES to AES, we don't really know unless you specify. I would take the Switchcraft out of play and directly connect the DB25. Need to test that it's the correct DB25 as stated above. |
Re: No Input from AVID HD I/O
Easier way to test db25-db25 cable would be connecting them to avid hd analog outs and analog ins, then create hardware inserts in pt mixer, then have a signal generator feed the signal through the insert loop cable you just created. If the signal goes thru, the cable is fine. Dummy test but does not require a meter (which, as said, is still useful to have available).
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