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![24 programmable I/O ports...](https://debugger.danbit.dk/demo/17163-home_default/programmerbare-kanaler-via-usb-porten-usb.jpg)
24 programmable I/O ports via USB. 5 volt TTL/CMOS. USB2.0 Powered from the USB port
Active sub-D 25 connectors with built-in TTL I / O
Connect to USB Port
24 TTL I / O Programmable channels
Buying Relayer - Term25R8OPTI8
Relayer has 8 x optoisolated entries
The relay card has 8 x relay outputs
when purchasing input and relay cable
Recommended cable K-DB25M-F0.75