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"synology refurb"
USR-N540 4-Port Industrial Serial to Ethernet Device Server, RS232/RS485/RS422 to RJ45 TCP/IP Converter with Modbus Gateway, DHCP & DNS Support for Industrial PLC Automation
Limited time offer, ends 11/15
$99.70
Free Shipping
Vszerda USR-TCP232-410s Serial to Ethernet Converter RS232 RS485 TCP/IP Device Server with DHCP DNS Function
Limited time offer, ends 11/15
$87.79
Free Shipping
NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male
Limited time offer, ends 11/14
USR-N540 4-Port Serial to Ethernet Converter RS232 RS485 RS422 to TCP/IP RJ45 Modbus RTU Gateway Serial Device Server
Limited time offer, ends 11/25
$161.93
Free Shipping
