Testing 100G Ethernet - Xena Networks

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Physical Layer Testing (PMA) CAUI/XLAUI SerDes characterization Access to electrical CAUI SerDes allows for accurate host PCB characterization ti during R&D Tune host board voltage swing and pre-emphasis settings ©Xena Networks, May 2012
λ0 λ0 λ2 λ0 λ0 λ2 λ0 Physical Layer Testing (PCS) Lane skew Skew is an issue for any parallel high-speed bus Validate per lane buffer and alignment using skew insertion Skew tolerances specified by IEEE 802.3ba PCS Rx PCS 0 1 2 PMA 20:1 . . . 0 SP6 0 1 PMA 10:4 SP5 0 1 . . Gearbo . x 2 PMD SP4 3 λ0 Skew point SP1 SP2 SP3 SP4 Maximum Skew at 100GBASE-R 29 ns (150 UI) 43 ns (222 UI) 54 ns (278 UI) 134 ns (691 UI) 19 Tx PCS 9 SP1 SP2 SP3 SP5 SP6 At Rx PCS 145 ns (748 UI) 160 ns (824 UI) 180 ns (928 UI) Note that for 40GBASE-R, 1 UI is equal to 97 ps at PCS lane signaling g rate of 10.3125 Gbps Note that for 100GBASE-R, 1 UI is equal to 194 ps at PCS lane signaling rate of 5.15625 Gbps ©Xena Networks, May 2012
Page 1 and 2: Testing 100G ©Xena Networks, May 2
Page 3 and 4: What is driving 100G Ethernet? Expl
Page 5 and 6: 100G Ethernet Testing Status Layer
Page 7 and 8: CFP-based Test Equipment All 10/40/
Page 9: Physical Layer Testing (PMA) Increa
Page 13 and 14: Physical Layer Testing (PCS) Lane s
Page 15 and 16: RFC 2889 benchmarking RFC 2889 - PU
Page 17 and 18: CASE STUDY - Cabling Manufactures F
Page 19 and 20: Selecting a 40/100G test platform (
Page 21 and 22: Corporate Profile Founded 2007 by g

Testing 100G Ethernet - Xena Networks

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