NTR06D51R0CTRF is a Network Interface Card (NIC) from Netronix. It is an Industrial grade dual-port Gigabit Ethernet card with full IEEE 1588 Precision Time Protocol (PTP) support. It is a 3-in-1 card, with one Ethernet port and two Tiny form factor pluggable (TxFP) slots. It offers an extended temperature range of -40°C to +80°C, and its operating system support includes Linux, Windows and others. The NTR06D51R0CTRF also has Redundant Link Protection (RLP), which allows the ports to automatically switch over to the secondary link in case of a link failure. Additionally, it supports jumbo frames, and has security features such as IEEE 802.1x which enables port authentication.