Vid = 1e3d Pid = 198a Jun 2026

To check if Linux sees it, you would run:

The device looked like a generic USB‑to‑serial adapter – the kind sold in blister packs for three dollars. But when I plugged it into our isolated sandbox, dmesg spat out something unexpected: vid = 1e3d pid = 198a

That error code, -110 , meant timeout. A normal serial bridge responds instantly. But this one stayed silent for 300 ms, then enumerated as something else: – not listed in any public Chipsa database. To check if Linux sees it, you would