It’s the easiest thing in the world — simple, straightforward serial data. It’s the fallback communication protocol for nearly every embedded system out there, and so it’s one that you really want to ...

While most of you reading this have broadband in your home, there are still vast areas with little access to the Internet. Ham radio operator [emmynet] found himself in just such a situation recently, ...

After the new millennium, the channels between the computer and its peripheral devices have switched from parallel to serial data transfer. Although it would seem that a parallel cable with multiple ...

All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know.

In the last two installments of Driving Me Nuts [LJ August 2002 and October 2002], we covered the tty layer, explaining how to create a minimal tty driver. We also explained some of the various ioctls ...

Managing large numbers of Linux and UNIX systems takes a lot of organization, automation and careful use of technology. A significant chunk of one's time as a system administrator is spent building ...

Schneider Electric has released a Modbus Communication DTM that supports FDT2 while providing connectivity to Modbus devices over serial lines or TCP. Backward compatibility of FDT2 makes the DTM ...

Today, Serial devices continue to be used around the world as an essential component of many industries’ applications, such as, process control measurement, production tracking, and data collection.

Little is known about the interaction among the various manufacturing subsystems in a factory. The output of one manufacturing subsystem is usually the input to one or more downstream subsystems in ...