Jieli Technology USB PHY 2.0 USB PHY 2.0

Don't buyOne bandwidth setting

Its own USB descriptors rule it out for a multi-camera rig.

Offers a single bandwidth setting at 2048 bytes per microframe, so only 3 fit on one USB port and the rest go dark. Not a camera to build a table on.

Bandwidth table read from a real `lsusb -v` dump. 1 isochronous setting, smallest 2048 bytes per microframe. Seen on 12 machines in the dump corpus.

USB ID: 1224:2825
Fit on one USB port: 3 (at its lowest bandwidth setting)
Bandwidth floor: 2048 bytes per microframe (from a real descriptor dump)
Every bandwidth setting it offers: 2048 bytes per microframe
Seen on: 12 real machines in the dump corpus
What backs this: Its bandwidth table was read out of a real USB descriptor dump from somebody's machine. We have never held this camera, but we know exactly how much of a USB port it reserves.
Source: https://raw.githubusercontent.com/linuxhw/LsUSB/master/Desktop/ASRock/TRX40/TRX40%20Taichi

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Part of the Poker Panel webcam database: 4,600 models, with the USB bandwidth numbers that decide how many fit on one port. See the kit we ship.