D-Link DE-1824EI User Manual page 64

10BASE-T Stackable Hubs
choose which to view through the Statistics menu, accessible from the
Network Monitoring menu.
The statistics shown are the same for each of these selections. The statistics
displayed are:
♦ Too Long Frame: counts frames longer than the 1518-byte (octet)
limit set by the Ethernet standard. This is likely caused by a software
problem.
♦ Very Long Event: counts events where a signal is received longer
than the jabber lockup protection timer (4–7.5 ms). This may indicate
noise on the line or a bad Ethernet interface.
♦ Short Event: counts events where less than 10 bytes are received and
the frame start delimiter is invalid, or where the start frame delimiter
is valid but less than 2 bytes are received. This may indicate noise on
the line.
♦ Late Event: counts collisions that occur at or after the 64
(octet) in the frame. This may indicate that delays on your Ethernet
6-22
Figure 6 -16 Network Monitoring Menu
Using the Console Interface
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byte