- 22 BNC connectors for analog I/O, analog and digital triggers, and clocks for synchronization
- 29 spring terminals for digital I/O connectivity and 2 user-defined BNC connectors
- Shielded, rack-mountable 1U adapter chassis
- Compatible with M Series, E Series, S Series, and B Series DAQ devices
- Easily accessible space for custom signal conditioning circuitry
- RoHS compliant
Data Sheet | Specifications

The National Instruments BNC-2090A is a shielded, 1U, 19 in. rack-mountable connector block with 22 signal-labeled BNC connectors to simplify connections toI/O signals on NI data acquisition devices. The NI BNC-2090A is compatible with any 68-pin M Series (connectors 0 and 1), E Series, S Series, or B Series DAQ devices. It provides BNC connections to all analog I/O, analog and digital triggers, clocks for synchronization purposes, and two user-defined signals. Digital I/O signal connectivity is provided through 29 spring terminals. The BNC-2090A also includes easily accessible space where you can build custom signal conditioning circuitry such as lowpass filters, highpass filters, and voltage divider (attenuators). The BNC-2090A has 68-pin SCSI connectors on the front and back as options for connection to the DAQ device. It is an RoHS-compliant drop-in replacement for the BNC-2090.
Additional Product Information
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Specifications Summary
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