COM-5401 4-Port 10/100/1000 Mbps Ethernet Transceivers

Plug-in Ethernet transceivers provides FPGA-based ComBlock modules with very
high-speed parallel network access
Network Interface:

4 RJ-45 ports
4 * 1 Gbit/s maximum combined throughput
Tri-mode (10Base-T/100Base-Tx/1000Base-T)
Uses standard CAT-5 unshielded twisted pair cables
Autonegotiation to automatically select the highest link up speed (10/100/1000 Mbps) and duplex (full/half)