3com 140m Guía Del Usuario
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Solving Problems With the Web Interface
6-3
Port Status LED not lit for a port that has a
connection. There is a problem with this connection.
Check that:
connection. There is a problem with this connection.
Check that:
■
You are using a ‘Straight-through’ cable which is
properly connected at both ends, and is not
damaged.
properly connected at both ends, and is not
damaged.
■
The equipment being connected to the switch is
powered on, operating correctly and contains the
correct type of connection. It may be that the
driver for the network adapter card you are using,
is not installed correctly; refer to the
documentation that accompanies it.
powered on, operating correctly and contains the
correct type of connection. It may be that the
driver for the network adapter card you are using,
is not installed correctly; refer to the
documentation that accompanies it.
Link between your switch and an OfficeConnect
hub not working. Check your connections; follow
the information given in
hub not working. Check your connections; follow
the information given in
on page 2-8. It is likely that an
MDI/MDIX switch is incorrectly set on the switch
(for 100BASE-TX) or hub (for 10BASE-T).
(for 100BASE-TX) or hub (for 10BASE-T).
Solving Problems With the Web Interface
The web browser cannot access the switch
through the console port. Connect to the switch’s
console port and use the CLI to check that:
through the console port. Connect to the switch’s
console port and use the CLI to check that:
■
If you have a management station running
Windows ‘95, you are using the 3Com serial web
utility (SLIP Driver). Refer to
Windows ‘95, you are using the 3Com serial web
utility (SLIP Driver). Refer to
.
■
You are using the right cable. For examples of the
pin wiring for suitable cables, refer to
pin wiring for suitable cables, refer to
The web browser cannot access the switch over
the network. Connect to the switch’s console port
and use the CLI to check that:
the network. Connect to the switch’s console port
and use the CLI to check that:
■
The switch’s IP address, subnet mask and default
router are correctly configured and that the switch
has been reset since configuring this information;
refer to
router are correctly configured and that the switch
has been reset since configuring this information;
refer to
on
■
The port through which you are trying to access
the switch has not been disabled.
the switch has not been disabled.
■
You are using the right network cables. For
examples of the pin wiring for suitable cables, refer
to
examples of the pin wiring for suitable cables, refer
to