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Each of the MWA's existing sixteen receivers in the field send eight tiles worth of twenty four coarse channels over forty-eight fibre optic cables using the Xilinx RocketIO protocol. The fibre optic cables terminate in the MRO Control Building, where two budles of three firbundles of three fibres connect to a media conversion (medconv) server via custom Xilininx FPGA cards. Six independent processes on each medconv server convert the RocketIO data into Ethernet UDP packets which are sent out to our Cisco Nexus 9504 switch as multicast data where each coarse channel is assigned a multicast address. This provides the "corner-turn" where each of the six processes on each mediaconv server is sending one third of the coarse channels for one eighth of the tiles in the array.
MWAX UDP Capture + Voltage Capture To Disk
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