StarTech.com USB serial adapter - RS422 - RS485 - Industrial - serial - 1 port
Lantronix One Port Secure Serial (RS232- RS422- RS485) to IP Ethernet Device Server; Up to 256-bit AES encryption; SSH-SSL-TLS Enterprise Security with PKI; International 110-240 VAC
Lantronix One Port Serial (RS232- RS422- RS485) to IP Ethernet Device Server with Power Over Ethernet (PoE)
Lantronix One Port Serial (RS232- RS422- RS485) to IP Ethernet Device Server - International 110-240 VAC
Lantronix UDS1100 - One Port Serial (RS232- RS422- RS485) to IP Ethernet Device Server - UL864, US Domestic 110VAC