HP ProCurve 224 Installation Manual page 30

Installing the Switch 212M and 224M
Installation Procedures
If the Port LED does not go on when the network cable is connected to the
port, use this table to solve the problem:
Condition Diagnostic Tip
Port LED is still Try the following:
off when a cable
• For the indicated port, verify that both ends of the cabling, switch and connected device, are
is connected
snug.
• Verify the connected device and switch are both powered on and operating correctly.
• Verify that you have used the correct cable type for the connection:
– for twisted-pair cable connections, in general, for connecting to an end node or MDI port,
– for connecting to MDI-X ports on hubs or other switches, use "crossover" cable
– for fiber-optic connections, verify that the transmit port on the switch is connected to the
• Verify that you are not using Category 3 or 4 cable for 100 Mbps operation.
• Try using a different port or a different cable.
• Verify the port has not been disabled through a switch configuration change.
You can use the console interface, or, if you have configured an IP address on the switch, the
web browser interface, or HP TopTools for Hubs & Switches network management software to
determine the state of the port and re-enable the port if necessary.
2-14
use "straight-through" cable
receiver port on the connected device, and the switch receive port is connected to the
transmit port on the connected device