Matrix: How can I check the audio input / output from the DB-9 connector on a FOR-22 card?
Question: I need to check the audio input / output lines on a DB-9 connector on a FOR-22 connector. Can you describe how I can do this using a CAT-6 cable wired with 3-pin XLRS that I use to check ports directly on my Eclipse frame? Can I use a modular adapter (DB-9 to RJ45) to pull this off?
Answer: Yes, if you already have a premade RJ45 to 3-pin XLR input / output cable all you would need to construct is a modular DB-9F to RJ45 adapter. These are readily available from various 3rd party companies and the user simply has to configure the premade leads from the RJ45 end to the selected pins on DB-9F end. Once configured the user has a modular adapter that will specifically test the DB-9 audio input / output of a FOR-22 interface card. These adapters are readily available from Newark, Amazon.com and Show Me cables etc.
See below for the wiring specifics on FOR-22 card, modular adapter and RJ-45 to 3-pin XLR cable breakout cable.
FOR-22 DB-9M interface pinouts:
DB-9F to RJ45 modular adapter:
Matrix RJ45 to 3-pin XLR Breakout cable:
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