'TCL' are the initials of the person who created the first Ethernet transceiver (Tat Lam).
https://books.google.com/books?id=ooBqdIXIqbwC&pg=PA73&lpg=PA73 He also sold the first 10mbit transceiver and repeater. On 11/25/18 9:41 AM, Chuck Guzis via cctalk wrote: > Don't know the exact product, but TCL INc. was in Fremont, CA and was a > maker of various bits of LAN gear. > > --Chuck >