Device Servers Tutorial

Despite many of the advancements of the computer industry, there still exist a great many applications where serial I/O devices are the best or only solution. Terminal/print/serial servers have long been the best method for networking simple terminals, bar code readers, scanners or printers. Input devices attached to a serial port on a server can reach any host supporting the same protocols as that server. Printers can be shared over the network in the same manner, with a job from one protocol following a job from another. In the case of the print server that has multiple ports, jobs coming from hosts supporting different protocols can even print simultaneously.

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