The Leader LT4670-SER04 12G/3G/HD/SD SDI and IP 25G/10G Pattern Output Hardware Option is a factory-installed option for the LT4670 Sync Generators. This option enables both 25G IP signal generation and 12G-SDI (4K) support. Users are supplied with a test pattern generation function for IP that is compliant with SMPTE ST 2110-20/30/31/40 and capable of generating 2K/4K (3840 x 2160) test patterns for video signals. 12G-SDI, 3G-SDI (Level A, Level B), HD-SDI, and SD-SDI can all be supported. Users are provided with four independent SDI signal output terminals in which each terminal features its own pattern and phase settings.