An optional input board that handles 16 HD/SD digital video signals. The input connectors can support SDTV SDI signal rates (143 Mb/s, 177 Mb/s, 270 Mb/s, 360 Mb/s, 540 Mb/s), HDTV SDI signal rates (1.485 Gb/s, 1.485/1.001 Gb/s), and DVB-ASI 270 Mb/s signals. As the IXS-6700 can accept up to eight IKS-V6010M boards, the number inputs can be expanded from 16 to 128, in units of 16. As the IXS-6600 can accept up to four IKS-V6010M boards, the number of inputs can be expanded from 16 to 64, in units of 16.