Blackmagic Design GPI & Tally Interface

GPI and Tally Interface, Ethernet, USB 2.0 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.