This teardown of an HP signal generator has the weirdest keyboard switches ever. They’re being called pulse transformer switches, but they are the strangest, weirdest, and most complicated ...

Typically used in test labs and controlled by software, the physical layer switch resembles the old telephone switchboard, which cross-connected an input telephone line to an output line.

Transformer trips are a common problem, but the solution is sometimes not immediately obvious. A technician shares three ...

A network switch that analyzes layer 4 and layer 7 data in the packets. Also called a "Web switch." See layer 4-7 and Web switch. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...