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LS1043A, XFI, AC coupling Capacitance query

Question asked by Logesh S on Mar 31, 2017
Latest reply on Apr 5, 2017 by Serguei Podiatchev



In our System, we are connecting LS1043A with another LS1043A in other board via backplane using XFI/SGMII (2.5G) interface. SGMII(2.5G) has the AC coupling Capacitance range, but for XFI we dont get that AC coupling capacitance range.


Also in SGMII (2.5G) AC coupling caps are recommended near transmitting end, for XFI shall we use the same caps (that is near the transmitting end)? Please suggest.