ABOUT: Connector mapping and input/output configuration for Deltacast 12G/8C cards

The Deltacast card  DELTA-12G-elp-h 8c card supports:

• up to 8 channels of UHD60
• in 8K, up to 2 channels of 4320p60 [8K] using Quad Link (SQ)
• in HD, up to 4 channels of Fill & Key

This card has 8 connectors in total:

• 4 of them are 3G connectors, which support HD only
• the 4 others are 12G connectors, capable of 4K resolution [or 1 combined 8k]

Thunderbolt Chassis Limitations 

When using the card in a Thunderbolt expansion chassis, the card will be limited to the bandwidth of the Thunderbolt, and you won't be able to use the 4 channels of 4K60. Make sure to check the tech specs  page of the bundles to know the maximum number of channels.

Cabling guides

For "Regular" input/output:

For "Keying" output:

The Deltacast 12G/8C supports to output Fill & Key in HD (SD and 4K not supported yet). In that case you will select one of the output shown in black in the following screenshot, this will be your "Fill" output, and it will automatically pair with the grey connector with the same number:

Note that support for External key requires OnTheAir Video 4.5.7 or later and OnTheAir CG Server 3.8 or later. In Output settings, select the "YUVA4224 8bit" pixel format. 

Optimal uses of connectors when used inside a PCIe expansion chassis

The Deltacast 12G/8C is composed of 2 sub-devices:

This is particularly important when using the card inside a Thunderbolt chassis with 4K50 or 4K60. Indeed, if you want to be able to receive 4 channels of 4K50 or 4K60, you will have to split the signals between the 2 sub-devices, and use 2 signals on sub-device 1, and 2 signals on sub-device 2.

8K Usage Warnings

To setup 8K in MovieRecorder:

• Enable only input 1 or 5. Enabling any other inputs (2, 3, 4, 6, 7 or 8) may compromise signal integrity.

• On Input 1, or 5 open Source Settings, disable “Automatically detect input format,” and manually select the 8K resolution and frame rate under Video Format.

• Extra note when using a Thunderbolt 5 chassis: The max resolution will be 2 channels of 8K 30 fps; or one channel of 8K60fps. To capture higher framerates up to 8K 60 fps, you’ll need a full-bandwidth PCI Express slot in a Mac Pro.