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"fiber optic network interface cards"
Waveshare Industrial RS232/RS485 to Ethernet Converter with Dual Serial Ports High-Speed Low-Power High-Stability Upgradable Easy to Communicate Between RS485 and RJ45 Port Ethernet
Limited time offer, ends 11/01
$82.99
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Dual Port 2.5Gb Network Card Adapter with Intel I226 2500/1000/100Mbps PCI Express X4 Gigabit Ethernet NIC Card RJ45 LAN Controller for Windows 10/11 with Low Profile Bracket
Limited time offer, ends 11/10
$61.99
$78.95
Free Shipping
waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 10/31
$80.79
Free Shipping
8-Port Serial to Ethernet Converter RS232 RS485 RS422 TCP/IP Device Server Modbus RTU to TCP Gateway
Limited time offer, ends 11/25
$184.14
Free Shipping
5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (1pcs)
Limited time offer, ends 11/04
$26.72
Free Shipping
Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module Support Rail-Mount Modbus Gateway-2PCS
Limited time offer, ends 10/31
$89.79
Free Shipping
Waveshare Industrial Grade Serial Server RS232/RS485 to WiFi and Ethernet, Ethernet to WiFi Converter with Metal Case, Modbus Gateway/MQTT Gateway, Support Wail-Mount and Rail-Mount DC 6~36V
Limited time offer, ends 10/31
$53.51
Free Shipping