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GPI and Tally Interface
The GPI inputs are optical isolators which are triggered by connection to ground with a
maximum of 5V at 14mA.
The tally outputs are mechanical relay contact closures to ground with a maximum of 30V at 1A.
Changing the Network and Tally Settings
ATEM Setup is used to configure the network settings in the GPI and Tally Interface so it will
communicate with your ATEM switcher. The GPI and Tally Interface must be connected via USB
in order to configure its settings with ATEM Setup.
1 Connect the GPI and Tally Interface to the same Ethernet network as your ATEM switcher.
2 Connect the GPI and Tally Interface to a USB port on your computer and also connect the
included power supply.
3 Launch ATEM Setup.
4 If your ATEM switcher connects directly to your computer without an Ethernet network
switch, choose to “Configure Address Using Static IP”. TheGPI and Tally Interface defaults
to a fixed IP address of 192.168.10.2 when shipped and we suggest you use this number
for simplicity.
If you want to choose a different static IP address, you can set it to anything you like that’s
in the same range as the ATEM switcher, so long as it’s not already in use by another device
on your network. Default IP addresses for ATEM products are best avoided for this reason,
including: 192.168.10.1, 192.168.10.2, 192.168.10.3, 192.168.10.10, 192.168.10.50, 192.168.10.60
and 192.168.10.240.
If your ATEM switcher connects via an existing Ethernet network switch, you may wish
to choose “Configure Address Using DHCP” as this setting automatically obtains the
IPAddress, Subnet Mask and Gateway information from your DHCP server.
5 Type in the IP address of your ATEM switcher in the “Switcher Address” field. Your ATEM
switcher defaults to a fixed IP address of 192.168.10.240 when shipped and this is the
number you should type in this field unless you have changed it.
6 “Set tally outputs” should be set to “Switcher Inputs 1-8”.
7 Click “Apply”. The white LED to the right of the USB port should stop flashing and remain
on to indicate it has successfully found the ATEM switcher. The GPI and Tally Interface is
now ready.
8 Close ATEM Setup and disconnect your USB cable.
167Using Tally
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