Agilent/Keysight U2901A

The Keysight U2901A is a terminal block and SCSI-II 68-pin connector accessory module that extends digital input/output connectivity for USB Modular Data Acquisition devices. Designed for the U2300A and U2500A series, it ships with a 1-meter cable and delivers isolated channel architecture to eliminate ground loops and voltage spikes. Pin configurations and electrical behavior are determined by the host DAQ unit; operational details are contained in the documentation of the connected device.

Technical Specifications

• Connector Type: SCSI-II 68-pin


• Interface: Terminal block


• Cable Length: 1 meter


• Channel Architecture: Isolated channels


• Compliance: RoHS compliant, RoHS phthalates compliant, no SVHC detected (January 17, 2023)

Key Features

• Isolated channel design prevents ground loop formation and transient voltage spikes


• Terminal block configuration supports direct external device connection


• SCSI-II connector ensures reliable signal integrity


• Fixed 1-meter cable length for standard deployment distances

Typical Applications

• Digital I/O expansion for modular DAQ systems


• External device interfacing in multifunction data acquisition setups


• Industrial measurement environments requiring channel isolation


• Ground loop mitigation in mixed-signal test applications

Compatibility & Integration The U2901A integrates with Keysight U2300A Series USB Modular Multifunction Data Acquisition devices and U2500A Series USB Modular Simultaneous Sampling Multifunction Data Acquisition devices. Electrical specifications, pin assignments, and operational parameters vary based on the host DAQ module. Refer to the user manual and datasheet of your connected U2300A or U2500A series device for complete configuration information. Notice: The U2901A reached end-of-life on May 31, 2024. Standard 5-year product support continues from discontinuation date.