APPLICATION NOTE - Retail POS terminals at sales counters such as those in banks and grocery stores are essentially a PC in a custom case attached to printers, scanners and displays. Posted: October 1, 2003 | Published: September 1, 2003
APPLICATION NOTE - Using Serial Device Servers is an economical and easy way to make a connection, because it does not require an actual PC workstation at the remote location in order to implement or monitor and service the devices. Posted: October 1, 2003 | Published: September 1, 2003
MORE GENERAL: 
APPLICATION NOTE - Retail POS terminals at sales counters such as those in banks and grocery stores are essentially a PC in a custom case attached to printers, scanners and displays.
