The monitor shows no signal. xrandr result is the same as if it is not plugged in:
xrandr
Screen 0: minimum 8 x 8, current 2256 x 1504, maximum 32767 x 32767
eDP1 connected primary 2256x1504+0+0 (normal left inverted right x axis y axis) 280mm x 190mm
2256x1504 60.00*+
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
DP4 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
dmesg shows the following when the module is unplugged/replugged
[54001.582143] usb 3-3: new full-speed USB device number 4 using xhci_hcd
[54001.799771] usb 3-3: New USB device found, idVendor=32ac, idProduct=0003, bcdDevice= 0.00
[54001.799780] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[54001.799783] usb 3-3: Product: DisplayPort Expansion Card
[54001.799785] usb 3-3: Manufacturer: Framework
[54001.799788] usb 3-3: SerialNumber: 11AD1D004E6B2E0E273C0B00
[54001.841082] hid-generic 0003:32AC:0003.000A: hiddev96,hidraw2: USB HID v1.11 Device [Framework DisplayPort Expansion Card] on usb-0000:00:14.0-3/input1
[54001.841118] usbcore: registered new interface driver usbhid
[54001.841119] usbhid: USB HID core driver
So it appears to be detected.
Any idea?