Blackmagic GPI and Tally Interface for ATEM

Blackmagic GPI and Tally Interface for ATEM

GPI and Tally Interface for ATEM switcher
Model/Product no.: BM-SWTALGPI8

Blackmagic GPI and Tally Interface for Atem

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.


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 i
nterface for configuration and firmware updates.


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


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


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

GPI and Tally Interface


Software Included

Configured via ATEM Switcher Utility.

Internal Software Upgrade

Firmware built into 
software driver. Loaded at system startup or via updater software.

Operating Systems

Mac icon

Mac 10.10 Yosemite, 
Mac 10.11 El Capitan or later.

Windows Icon

Windows 8.1 or Windows 10.

Power Requirements

Power Supply

12V power supply included with 
international socket adaptors for all countries.

Physical Specifications

GPI and Tally Interface

Environmental Specifications

Operating Temperature

0° to 40° C (32° to 104° F)

Storage Temperature

-20 - 60 degrees celsius

Relative Humidity

Up to 95%

What's Included

GPI and Tally Interface

Software CD

Power Supply


12 Months Limited Manufacturer's Warranty.

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