I decided to google an FCC ID I found on the back of my 3DS cause I was bored, and I noticed among the documents available about it was the manual for the PARTNER-CTR dev equipment, like the capture/debugging devices.
Here's the link: https://fccid.io/document.php?id=1367237
Here's the link: https://fccid.io/document.php?id=1367237