ITS America Model 6055C-nxGHD multichannel HD-SDI video data encoder

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The Model 6055C-nxGHD is a 2-, 4-, 6-, 8- or 10-channel (n) video inserter designed to overlay GPS (the x option) or IRIG B time, GPS position (when present), text, and fixed and movable crosshair in a range of colours on an HD-SDI video bit stream.

Time is sampled precisely on each vertical sync and decoded to 4±2 µS with respect to the time reference. The product may also be commanded to record time in VANC ancillary metadata packets formatted as a microsecond timestamp in accordance with MISB 605.3.

Each video channel operates independently, permitting them to be individually timestamped and other data overlaid without synchronised video sources. Each channel independently auto-detects and decodes 480i, 576i, 720p or 1080i/p 4:2:2 imaging format at 23.97, 24, 25, 29.97, 30, 50 and 59.94 and 60 fields/fps.

Time and other data can be overlaid anywhere in the active video area and may be set to one of eight colours. End-to-end processing introduces a latency of less than 4 µs. The time reference is derived from internal GPS receiver (option) or external IRIG B time code source. If the GPS or IRIG lock is lost, the unit continues to run on an internal disciplined crystal clock. A Stratum 3 option reduces free-run time drift to less than 3 µs/h.

The unit may be remotely controlled through either an Ethernet or RS232 port. The remote command set offers full set-up, overlay and KLV pack control. A detachable keyboard provides for local control of the unit as well as a local set-up menu.

The product is housed in a rack-mountable aluminium enclosure. It is powered by 100 to 240 VAC 50/60 Hz.