ZL50418 Datasheet, PDF (49/163 Pages) Zarlink Semiconductor Inc – Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch

ZL50418
13.2.1.3 FCSErrors
Counts number of valid frames received with bad FCS.
Frame size:
No framing error
No collisions
> 64 bytes,
< 1522 bytes if VLAN Tagged;
1518 bytes if not VLAN Tagged
Data Sheet
13.2.1.4 AlignmentErrors
Counts number of valid frames received with bad alignment (not byte-aligned).
Frame size:
No framing error
No collisions
> 64 bytes,
< 1522 bytes if VLAN Tagged;
1518 bytes if not VLAN Tagged
13.2.1.5 FrameTooLongs
Counts number of frames received with size exceeding the maximum allowable frame size.
Frame size:
FCS error:
Framing error:
No collisions
> 64 bytes,
don’t care
don’t care
> 1522 bytes if VLAN Tagged;
1518 bytes if not VLAN Tagged
13.2.1.6 ShortEvents
Counts number of frames received with size less than the length of a short event.
Frame size:
FCS error:
Framing error:
No collisions
< 10 bytes
don’t care
don’t care
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