Blackmagic Design GPI and Tally Interface

Contact Closure
25 pin D-type connector providing 8 opto isolated inputs and 8 relay contact closure outputs.

Computer Interface
1 x USB 2.0 high speed interface for configuration and firmware updates.

Inputs
Optical isolators triggered by connection to ground.
Max 5V at 14mA.

Outputs
Mechanical relay contact closure to ground. Max 30V at 1A.

Ethernet
10/100 BaseT with loop through for connecting to other ethernet enabled equipment.