1-Port Gigabit PXI Ethernet Interface Module—The PXI-8231 provides a Gigabit Ethernet interface with up to 1000 Mbit/s transfers. With 1000 Mbit/s Gigabit Ethernet, you achieve a substantial performance increase over 100 Mb/s Fast Ethernet while remaining completely compatible with 10BASE-T and 100BASE-TX Fast Ethernet networks. The PXI-8231 also features automatic cable polarity detection.