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MultiCam Boards Documentation > GRABLINK series Documentation > GRABLINK Quickpack CFA Handbook > Frame Grabber Operation > Hardware Trigger > Electrical Styles
Electrical Styles

Grablink Quickpack CFA provides the choice between four electrical styles for the hardware trigger input as defined by TrigCtl. The default electrical style selected by MultiCam is TTL.

TrigCtl

Electrical style

LVDS

The trigger line is differential LVDS, RS 422 or RS.

TTL

The trigger line is TTL compliant with a 4,700Ω pull.

ITTL

The trigger line is isolated and TTL compliant with a 3,000Ω pull.

I12V

The trigger line is isolated and 12 V logic compliant with a 2,000Ω pull.