PCI-6503,24-Channel, 5 V, TTL/CMOS, 2.4 mA Digital I/O Device
 
The NI PCI-6503 (777690-01) uses a 24-bit programmable peripheral interface (PPI). Each interface is Plug and Play compatible and does not require a separate card manager for configuration. The PCI-6503 can interface to peripherals or other computers, and it can operate in either a unidirectional or bidirectional mode and handshake with peripheral equipment.
 
SKU: 777690-01