Product Overview The Blackmagic Design GPI & Tally Interface adds tally indication to ATEM live production systems, with 8 contact-closure inputs and 8 outputs for connecting ATEM switchers and Videohub routers to external tally lights and GPI-triggered devices for clear on-air signaling in multi-camera productions. Key Specs 8 contact-closure inputs and 8 outputs Adds tally indication to ATEM switchers and Videohub routers Triggers external tally lights and GPI devices Compact broadcast interface Standard contact-closure wiring Product Description The Blackmagic Design GPI & Tally Interface for ATEM Production Switchers is designed to display tallies to indicate the on-air status of video signals. It features 8 contact closure inputs and 8 contact closure outputs for connecting to ATEM switchers and Videohub routers for operation. Additionally, the GPI & Tally Interface can be used with multiple interfaces to increase the number of inputs and outputs. Displays tallies for indicating the on-air status of video signals 8 contact closure inputs & 8 contact closure outputs Compatible with ATEM switchers and Videohub routers Connect to multiple interfaces offering enhance flexibility in operation Features Displays Tallies for Video Signals Indicates On-air Status For ATEM Switchers / Videohub Routers 8 Contact Closure Inputs & Outputs Connects with Multiple Interfaces Specification Blackmagic Design GPI & Tally Interface Specs Connections dd Contact Closure 25 pin D-type connector providing 8 up to isolated inputs and 8 relay contact closure outputs Inputs Optical isolators triggered by connection to ground (maximum 5 V @ 14 mA) Outputs Mechanical relay contact closure to ground (maximum 30 V @ 1 A) Ethernet 10 / 100 BaseT with loop through for connecting to other Ethernet enabled equipment Computer Interface 1 x USB 2.0 high speed interface for configuration and firmware updates Extras Software Included Configured via ATEM Switcher utility Firmware Upgrade Firmware built into software driver. Loaded at system startup or via updater software Operating System Microsoft Windows 7 and Apple Mac OS X Power Supply 12 V power supply included with international socket adapters for all countries Packaging Info Package Weight 0.92 lb Box Dimensions (LxWxH) 5.7 x 5.45 x 2.55" Frequently Asked Questions What does it do? It provides tally and GPI contact closures to connect ATEM switchers and Videohub routers to external tally lights and devices. How many channels? Eight inputs and eight outputs. What is it compatible with? ATEM production switchers and Videohub routers.