Keysight technologies u2600a series digital data capturing modules keysight technologies u2651a opt 902 abd the u2651a from keysight technologies is an insulated digital usb module with 32 inputs and 32 outputs it can be used individually via a usb port on a pc or modularly in a device chassis the high speed usb 20 provides a quick and easy set up on a pc without any unnecessary installation in the computer this data logger has high voltage protection of 1250 v eff and is therefore the