
RS-232 RJ-45 Serial-to-Ethernet | Digi PortServer TS | Digi International,

Digi PortServer TS 2: 2-port RJ-45 Serial to Ethernet Device Server,

RS-232/422/485 Serial Server with Powered Serial and Ethernet Options | PortServer TS P MEI | Digi International,
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Amazon | Lantronix Device Server UDS2100 Two Port Serial (RS232/ RS422/ RS485) to IP Ethernet - Device server - 2 ports - 10Mb LAN, 100Mb LAN, RS- 232, RS-422, RS-485 [並行輸入品] | LANTRONIX | サーバー 通販,