Even though there are faster and easier ways to connect data devices, many older protocols, particularly RS-232, live on. I have always relied on two things when dealing with RS-232: my LED data ...

Aimed at small to medium size companies that requiretransport testing for R&D and verification applications, the ProtocolBoxfrom Montreal-based Data-Tester is a transparency test instrument that ...

of those things that you can plug in to one side of a data port to test what corresponding port it goes with. It's like I plug the transmitter into one side and then the other side will make the beep ...