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# MCH Mini backplane
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# MCH Mini backplane
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The MCH Mini Backplane can be used as a replacement for the microTCA
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The MCH Mini Backplane can be used as a replacement for the microTCA
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crate when only the switch functionality of the MCH is required. With a
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crate when only the switch functionality of the MCH is required.
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WhiteRabbit MCH (rev2) plugged in, it makes a fully functional, 10-port
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(2UP + 8DOWN) WR Switch:
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Features:
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\- replaces the microTCA crate for switch-only applications. MCH +
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backplane = complete 10-port WR switch.
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\- provides 8 downlink ports with SFP sockets
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\- provides PHY autocalibration (not supported by the MCH) on downlink
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ports
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The drawing below shows the block diagram of the mini-backplane:
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\!\!
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