QT2022/32 - Data Sheet: DS3051
7.2 WIS Receiver
The WIS receiver functionality is illustrated in Figure 11. This is fully compliant with IEEE 802.3 Clause 50. There
are additional extended features described in Section 7.3, “Extended WIS Features,” on page 46.
Figure 11: WIS Receive Interface Process
rx_data-group<15:0>
Synchronization
sync_bits<15:0>
6
7
Check B1 (BIP-8)
X + X + 1
Descrambler
Remove
Section
Overhead
Process Section
Overhead
-
Check B2 (BIP-N)
Process
Line
to TX process
Remove
Line
Overhead
Defects
Process Line
Overhead
-
Process H1,H2
Pointer
Check B3 (BIP-8)
Process
Path
to TX process
Defects
Remove Path
Overhead &
Fixed Stuff
Process Path
Overhead
-
Receive
Payload Mapping
rx_data-unit<15:0>
40
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