1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual
Intel Confidential 75
10Base-T TD Circuit Impedance (Transmitter Return Loss)
7. Set the marker to the worst-case return loss between 5 MHz and 10 MHz inclusive. (The figure
below provides a reference.)
8. Record the amplitude (dB) of the return loss.
9. Verify the measurements meet specifications.
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