Technical Discussion - Sun Microsystems Ultra 2 Series Reference Manual

Link Test
Enabled
(Default)
1
Ultra 2 Series
Link Test
Enabled
(Default)
1
Ultra 2 Series
Link Test
Disabled
(Reset)
0
Ultra 2 Series
Link Test
Disabled
(Reset)
0
Ultra 2 Series
FIGURE 2-2
2.2

Technical Discussion

The twisted-pair Ethernet link integrity test determines the state of the twisted-pair
cable link between the host and the hub in a network. Both the host and hub
regularly transmit a link test pulse. When either the host or hub has not received a
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Two-Way Communication
Ultra 2 Series may boot
successfully, but with "lost
carrier" or "no carrier" error
messages.
Ultra 2 Series may boot
successfully, but other hosts
in the network cannot
communicate with the
Ultra 2 Series.
Two-Way Communication
Ensuring Host-Hub Communication in a 10BASE-T Network
Chapter 2
Link Test
Enabled
1
Hub
Link Test
Disabled
0
Hub
Link Test
Enabled
1
Hub
Link Test
Disabled
0
Hub
10BASE-T Twisted-Pair Ethernet Link Test 2-3