![Amazon.com: LANTRONIX - Lantronix xDirect - Device server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 : Electronics Amazon.com: LANTRONIX - Lantronix xDirect - Device server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 : Electronics](https://m.media-amazon.com/images/I/81vi1opI1IL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LANTRONIX - Lantronix xDirect - Device server - 10Mb LAN, 100Mb LAN, RS-232, RS-422, RS-485 : Electronics
![Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics](https://m.media-amazon.com/images/I/615dXJGLnUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics
![Amazon.com: Zyyini Serial Device Server, Dual Port RS232 485 422 to Ethernet TCP IP 10/100Mbps RJ45 Serial to Ethernet Adapter, Plug and Play, Support VCOM, TCP Server, TCP Client, UDP (US Plug) : Amazon.com: Zyyini Serial Device Server, Dual Port RS232 485 422 to Ethernet TCP IP 10/100Mbps RJ45 Serial to Ethernet Adapter, Plug and Play, Support VCOM, TCP Server, TCP Client, UDP (US Plug) :](https://m.media-amazon.com/images/I/61GjcEW6sLL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Zyyini Serial Device Server, Dual Port RS232 485 422 to Ethernet TCP IP 10/100Mbps RJ45 Serial to Ethernet Adapter, Plug and Play, Support VCOM, TCP Server, TCP Client, UDP (US Plug) :
![Amazon.com: diewu Serial Device Server DB9 RJ45 to RS232 Ethernet to RS232 TCP/IP Server Module Communication Converter : Electronics Amazon.com: diewu Serial Device Server DB9 RJ45 to RS232 Ethernet to RS232 TCP/IP Server Module Communication Converter : Electronics](https://m.media-amazon.com/images/I/51poJVdytIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: diewu Serial Device Server DB9 RJ45 to RS232 Ethernet to RS232 TCP/IP Server Module Communication Converter : Electronics
![Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics](https://m.media-amazon.com/images/I/4120Wl9jP3L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA54%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics
![Amazon.com: USR-TCP232-306 Serial to Ethernet Converter LAN Ethernet TCP/IP to RS232 RS485 RS422 Converter2 : Electronics Amazon.com: USR-TCP232-306 Serial to Ethernet Converter LAN Ethernet TCP/IP to RS232 RS485 RS422 Converter2 : Electronics](https://m.media-amazon.com/images/I/61ZKYbbaADL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: USR-TCP232-306 Serial to Ethernet Converter LAN Ethernet TCP/IP to RS232 RS485 RS422 Converter2 : Electronics
![Amazon.com: CERRXIAN RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter : Electronics Amazon.com: CERRXIAN RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter : Electronics](https://m.media-amazon.com/images/I/716hFwDD8fL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CERRXIAN RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter : Electronics
![Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics](https://m.media-amazon.com/images/I/81aRqfUBPEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 1 Port RS232 to Ethernet IP Converter / Device Server - Aluminum - Serial over IP Device Server - Serial to IP Converter (NETRS2321P) : Electronics
![Amazon.com: DTECH 1 Port Serial to Ethernet Converter Adapter RS232 to TCP IP Device Server Supports DHCP DNS Modbus RTU/TCP 10/100M : Electronics Amazon.com: DTECH 1 Port Serial to Ethernet Converter Adapter RS232 to TCP IP Device Server Supports DHCP DNS Modbus RTU/TCP 10/100M : Electronics](https://m.media-amazon.com/images/I/71EgmxIaQfL._AC_UF350,350_QL80_.jpg)
Amazon.com: DTECH 1 Port Serial to Ethernet Converter Adapter RS232 to TCP IP Device Server Supports DHCP DNS Modbus RTU/TCP 10/100M : Electronics
![Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics](https://m.media-amazon.com/images/I/31SN3ZH5RxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics
![Amazon.com: RS232/485/422 to RJ45 Ethernet Converter Industrial Isolated Rail-Mount RS232/485/422 Serial Server TCP/IP to Serial, Modbus Gateway, MQTT Gateway, RS485 to JSON, etc. : Electronics Amazon.com: RS232/485/422 to RJ45 Ethernet Converter Industrial Isolated Rail-Mount RS232/485/422 Serial Server TCP/IP to Serial, Modbus Gateway, MQTT Gateway, RS485 to JSON, etc. : Electronics](https://m.media-amazon.com/images/I/615fbBxuVNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232/485/422 to RJ45 Ethernet Converter Industrial Isolated Rail-Mount RS232/485/422 Serial Server TCP/IP to Serial, Modbus Gateway, MQTT Gateway, RS485 to JSON, etc. : Electronics
![Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics](https://m.media-amazon.com/images/I/31SN3ZH5RxL.jpg)
Amazon.com: MOXA NPort 5650-8-DT 8-Serial Port Serial Device Server, 10/100 Ethernet, RS-232/422/485, DB-9M, 15KV ESD, 12-48VDC, 110V Power Supply : Electronics
![Amazon.com: MOXA NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male : Electronics Amazon.com: MOXA NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male : Electronics](https://m.media-amazon.com/images/I/81z8k7nqC7L._AC_UF894,1000_QL80_.jpg)
Amazon.com: MOXA NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male : Electronics
![Amazon.com: Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client : Electronics Amazon.com: Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client : Electronics](https://m.media-amazon.com/images/I/61-Iinf+suL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client : Electronics
![Amazon.com: Lantronix 2 Port Serial (RS232/ RS422/ RS485) to IP Ethernet Device Server - US Domestic 110 VAC : Electronics Amazon.com: Lantronix 2 Port Serial (RS232/ RS422/ RS485) to IP Ethernet Device Server - US Domestic 110 VAC : Electronics](https://m.media-amazon.com/images/I/71NyM0c6JBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Lantronix 2 Port Serial (RS232/ RS422/ RS485) to IP Ethernet Device Server - US Domestic 110 VAC : Electronics
![Amazon.com: & Ethernet DTU Serial Device Server for Short Message Communication - RS232/485/422 5-36VDC Support : Electronics Amazon.com: & Ethernet DTU Serial Device Server for Short Message Communication - RS232/485/422 5-36VDC Support : Electronics](https://m.media-amazon.com/images/I/61u3YmnKdoL._AC_UF894,1000_QL80_.jpg)
Amazon.com: & Ethernet DTU Serial Device Server for Short Message Communication - RS232/485/422 5-36VDC Support : Electronics
![Amazon.com: HF2221 2 Ports WiFi Serial Device Server RS232/RS422/RS485 to Ethernet/Wi-Fi Serial Server : Electronics Amazon.com: HF2221 2 Ports WiFi Serial Device Server RS232/RS422/RS485 to Ethernet/Wi-Fi Serial Server : Electronics](https://m.media-amazon.com/images/I/31pMKXt3JwL._AC_UF894,1000_QL80_.jpg)
Amazon.com: HF2221 2 Ports WiFi Serial Device Server RS232/RS422/RS485 to Ethernet/Wi-Fi Serial Server : Electronics
![Amazon.com: WiFi Serial Device Server, RS485 to WiFi Serial Server with External Antenna RJ45 Interface Ethernet Converter Module : Electronics Amazon.com: WiFi Serial Device Server, RS485 to WiFi Serial Server with External Antenna RJ45 Interface Ethernet Converter Module : Electronics](https://m.media-amazon.com/images/I/51Cmpm-usXL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WiFi Serial Device Server, RS485 to WiFi Serial Server with External Antenna RJ45 Interface Ethernet Converter Module : Electronics
![Amazon.com: StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - Metal and Mountable - Serial Device Server - RS232 Serial-Over-IP (NETRS2322P) : Electronics Amazon.com: StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - Metal and Mountable - Serial Device Server - RS232 Serial-Over-IP (NETRS2322P) : Electronics](https://m.media-amazon.com/images/I/816rhRPI6OL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - Metal and Mountable - Serial Device Server - RS232 Serial-Over-IP (NETRS2322P) : Electronics
![Amazon.com: HF2211 Serial Server RS232/485/422, Ethernet Converter Module Serial Port Server to WiFi Ethernet Wireless Converter DTU Network Communication 5-36VDC : Electronics Amazon.com: HF2211 Serial Server RS232/485/422, Ethernet Converter Module Serial Port Server to WiFi Ethernet Wireless Converter DTU Network Communication 5-36VDC : Electronics](https://m.media-amazon.com/images/I/51SEo9xhXHL.jpg)
Amazon.com: HF2211 Serial Server RS232/485/422, Ethernet Converter Module Serial Port Server to WiFi Ethernet Wireless Converter DTU Network Communication 5-36VDC : Electronics
![Amazon.com: StarTech.com 4 Port Industrial RS-232 / 422 / 485 Serial to IP Ethernet Device Server - PoE-Powered - 2x 10/100Mbps Ports - Serial over IP (NETRS42348PD),Black : Electronics Amazon.com: StarTech.com 4 Port Industrial RS-232 / 422 / 485 Serial to IP Ethernet Device Server - PoE-Powered - 2x 10/100Mbps Ports - Serial over IP (NETRS42348PD),Black : Electronics](https://m.media-amazon.com/images/I/81VGY40HxqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 4 Port Industrial RS-232 / 422 / 485 Serial to IP Ethernet Device Server - PoE-Powered - 2x 10/100Mbps Ports - Serial over IP (NETRS42348PD),Black : Electronics
![Amazon.com: Ethernet Converter Module, HF2211 Serial Device Server, RS232/485/422 to WiFi and Ethernet DTU Short Message Communication Module, Device Servers : Electronics Amazon.com: Ethernet Converter Module, HF2211 Serial Device Server, RS232/485/422 to WiFi and Ethernet DTU Short Message Communication Module, Device Servers : Electronics](https://m.media-amazon.com/images/I/51Df1CoPLrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Ethernet Converter Module, HF2211 Serial Device Server, RS232/485/422 to WiFi and Ethernet DTU Short Message Communication Module, Device Servers : Electronics
![Amazon.com: MOXA NPort 5130-1 Port Device Server, 10/100 Ethernet, RS-422/485, DB9 Male : Electronics Amazon.com: MOXA NPort 5130-1 Port Device Server, 10/100 Ethernet, RS-422/485, DB9 Male : Electronics](https://m.media-amazon.com/images/I/314OHaEJlIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MOXA NPort 5130-1 Port Device Server, 10/100 Ethernet, RS-422/485, DB9 Male : Electronics
![Amazon.com: MOXA NPort P5150A - 1 Port RS-232/422/485 PoE Serial Device Server, 10/100M Ethernet, DB9 Male, 0-60C, 1KV Serial Surge Protection : Electronics Amazon.com: MOXA NPort P5150A - 1 Port RS-232/422/485 PoE Serial Device Server, 10/100M Ethernet, DB9 Male, 0-60C, 1KV Serial Surge Protection : Electronics](https://m.media-amazon.com/images/I/21K2+V6jUtL._AC_UF894,1000_QL80_.jpg)