NI-DAQmx
Provides support for NI data acquisition and signal conditioning devices. 
NI-VISA
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments. 
NI-488.2
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.

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cRIO-9805

Expansion Module for CompactRIO

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4-Port, 802.1AS Ethernet Switch Expansion Module for CompactRIO—The cRIO-9805 is a 4-port Ethernet switch that provides additional ports with 802.1AS network synchronization capability over the 1000 Base-TX network interface. This module supports TCP/IP and UDP network protocols in DHCP + link-local, DHCP, static, and link-local network IP configurations. The cRIO-9805 auto-negotiates communication rates of 10, 100, or 1000 Mbps with its four internally switched ports.