National Instruments PXI-6527 channel-to-channel isolated digital I/O card. Tested, fully functional, and in excellent physical condition.

The National Instruments PXI-6527 is a 48-bit, parallel, isolated digital I/O interface module. It has 24 digital inputs and 24 digital switch (SSR) outputs, completely jumper free. With the NI PXI-6527, you can sense digital levels up to 28 VDC (1 V logic low threshold, 2 V logic high threshold) and switch currents up to 120 mA.

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