The 7700R 4x1-HD provides a convenient, low cost way to route high definition and standard definition serial digital signals. The 7700R 4x1 can be used for 1.5Gb/s, 270Mb/s, 360Mb/s, 540Mb/s and DVB-ASI and 143Mb/s serial digital signals. The module can also be used for SMPTE ST 310 (19.4Mb/s) signals with the internal reclocker turned off. The 7700R 4x1 features auto-equalized inputs with four re-clocked outputs. The 7700R 4x1 occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.