2-port RS-422/485 serial device servers
Standard TCP/IP Protocols and Choice of Operation Modes
NPort® 5230 device servers can operate in TCP Server, TCP Client, or UDP operation mode, ensuring compatibility with software based on a standard network API (Winsock, BSD Sockets).
Real COM/TTY Drivers for Existing Software
With the Real COM/TTY drivers that are provided with each [...]

1 port RS-232/422/485 serial device server
The NPort® DE-211 and DE-311 are 1-port serial device servers that support RS-232, RS-422, 4-wire RS-485, and 2-wire RS-485. The DE-211 supports 10 Mbps Ethernet connections and has a DB25 female connector for the serial port. The DE-311 supports 10/100 Mbps Ethernet connections and has a DB9 female connector for [...]

4-port RS-232/422/485 serial device server
Network Readiness for up to Four Serial Devices
NPort® 5450 device servers can conveniently and transparently connect up to four serial devices to an Ethernet, allowing you to network your existing serial devices with only basic configuration. Data transmission between the serial and Ethernet interfaces is bi-directional. By using NPort® device [...]

8 and 16-port RS-232/422/485 serial device servers
Network Readiness for up to Sixteen Serial Devices
NPort® 5610/5630 rackmount device servers can conveniently and transparently connect up to sixteen serial devices to an Ethernet, allowing you to network your existing serial devices with only basic configuration. Data transmission between the serial and Ethernet interfaces is bi-directional. By [...]

1-port RS-232/422/485 serial device servers
The NPort 5100A device servers are designed to make serial devices network-ready in an instant and give your PC software direct access to serial devices from anywhere on the network. The NPort 5100A device servers are ultra lean, ruggedized, and user friendly, making simple and reliable serial to Ethernet solutions possible.
A [...]