Bit Sync Requirements

As shipped, the PCI Ingestor card in the SDI is configured to decode NRZ-L coded data from the bit sync. Currently, most if not all bit syncs used with Meteosat produce an NRZ-L formatted clock and data, with the data changing on the rising edge of the clock. However, if your bit sync produces an NRZ-S encoded output, or you replace your bit sync in the future with a model that produces an NRZ-S output, you will need to reconfigure your PCI Ingestor card as described in Chapter 2 - SDI Installation.

The SDI is normally configured for TTL-level inputs at 75 ohms, which is compatible with most bit syncs used with Meteosat. However, if necessary, the ingestor card can be reconfigured for balanced inputs. The data bit rate is 166.66 kilobits per second.

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