The Moxa UPort series provides one of the most versatile solutions for adding serial ports to a Windows desktop or laptop PC. 2, 4, 8 and 16 port models are available in either pure RS232 or RS232/422/485 selectable versions. Rugged metal enclosures are used throughout the range with 16 port models capable of being rack-mounted. USB bus power is used to power the units - if there is insufficient current available, external power can be used instead.
The Moxa UPort series is a high performance solution backed by a 5 year warranty, do not confuse these products with cheap alternatives.