Interfacing the Receive Client Interface - 2.7 English

1G/10G/25G Switching Ethernet Subsystem Product Guide (PG292)

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2.7 English

The timing of a normal inbound frame transfer is shown in the following figure. As in the transmit case, the frame is delimited by a Start character (S) and by a Terminate character (T). The Start character in this implementation can occur only on lane 0. The Terminate character, T, can occur in any lane.

Figure 1. Frame Reception Across the Internal 32-bit Client Interface

The following figure shows an inbound frame of data propagating an error. In this instance, the error is propagated in lanes 1 to 3, shown by the letter E.

Figure 2. Frame Reception with Error Across the Internal 32-bit Client Interface