The SN3101 One Port Serial Device Server from Aten is a 3-in-1 Serial Device Server, which supports RS-232, RS-422 and RS-485 data transfers, and provides Ethernet connectivity for a wide variety of serial devices used in commercial applications. These include industrial control, data acquisition, access control, environment monitoring, banking, telecoms, remote site management, etc. This SN3101's total serial data transfer system transforms the capability of legacy serial devices, and allows them to take advantage of the speed and reliability of today's modern communication techniques.