Teledyne LeCroy QPHY-ENET - Manual (Page 60)

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QPHY-ENET Operator’s Manual Rev G
8. Repeat this process for each of the four MDI pairs in both the master timing mode (test mode 2) and the
slave timing mode (test mode 3).
The menu item labeled “Master TX_TCLK” is always named this way and should be used as such for test
modes 2 and 3.
When all 8 values have been measured, enter the worst Master Jtxout and the worst Slave Jtxout values on
the oscilloscope, on the “Jtxout values” tab of the Ethernet Tests dialog. These values will be used in steps 2
and 3.
Figure 47. Mode 2 with TX_TCLK measuring Jtxout
Figure 48. Master Jitter with TX_TCLK and Link Partner