Provides 16 GPI inputs and 16 GPI outputs for the Mercury Interface Unit or the Black Box 2.X:
- 16ea inputs with grounding contact closure or 16ea inputs TTL
- 8ea outputs with floating ground opto-isolator and 8ea outputs with OCC, or 16ea outputs TTL
- 2ea D25 connectors
The assignment of GPIs can be flexiby configured through software.