Link Layer to Physical Layer Interface
Figure 26-8 on page 695 illustrates the signal interconnect between a port's Physical Layer and its Link Layer. It should be noted that these are the logical signal names provided in the specification and there is no requirement to use these names.
Figure 26-8. Interface Between Link and Physical Layers
The transmit-side signals are defined in Table 26-5 on this page. Figure 26-9 on page 697 illustrates the relationship of the XmitControl and XmitStream signals.
Figure 26-9. XmitControl and XmitStream
Table 26-5. Transmit-Side Signals in Link Layer/Physical Layer Interface