Add tally to your ATEM switcher with Blackmagic Design's GPI and Tally Interface!
With 8 contact closure tally outputs, you can send a tally signal to your cameras,
replay machines and monitors so everyone knows which camera is 'on-air'! If you
need more tally outputs, simply connect multiple GPI and Tally Interfaces together
because it connects via Ethernet to your ATEM production switcher