Contact Closure
25-pin D-type connector providing 8 opto-isolated inputs and 8 relay contact closure outputs.
Tallies are used to show the status of video signals being broadcast on the air using the Blackmagic Design GPI & Tally Interface for ATEM Production Switchers. It has eight contact closure inputs and eight contact closure outputs for syncing with ATEM switchers and Videohub routers. The GPI & Tally Interface can also be used with other interfaces to enhance the number of inputs and outputs.
Tallies are used to show the status of video signals being broadcast on the air using the Blackmagic Design GPI & Tally Interface for ATEM Production Switchers. It has eight contact closure inputs and eight contact closure outputs for syncing with ATEM switchers and Videohub routers. The GPI & Tally Interface can also be used with other interfaces to enhance the number of inputs and outputs.