The "NI" in GPIB-140A-3  most likely refers to National Instruments, the manufacturer of the device. The "-3" at the end might be a suffix indicating a specific revision or variant, but it's not essential information for understanding the core functionality of the GPIB-140A.

Here's what the GPIB-140A does:

  • GPIB Extender:  It extends the distance a General Purpose Interface Bus (GPIB) system can operate. The standard GPIB cable length is limited to 20 meters. The GPIB-140A overcomes this limitation by using fiber optic cables to extend the reach up to 1 kilometer.
  • High-Speed Data Transfer: It supports data transfer rates exceeding 1.1 Mbytes/s for IEEE 488.1 and 2.8 Mbytes/s for HS488 protocols. This allows for faster communication between instruments and controllers within a GPIB system.
  • Software Transparency: It operates seamlessly with existing software applications designed for GPIB communication. No software modifications are typically required when using the GPIB-140A.

Here are some resources where you can learn more about the GPIB-140A:

  • National Instruments Website:  National Instruments provides information and resources on the GPIB-140A on their website, including user manuals and specifications: https://www.ni.com/en-us/support/model.gpib-140a.html
  • Online Retailers:  Several online retailers sell the GPIB-140A. You can search for it to find current pricing and availability.

If you have any specific questions about using the GPIB-140A or its functionalities, feel free to ask!