Problem Solving - 3Com 3C17205-US - Corp SUPERSTACK 3 SWITCH 4400 24PORT Implementation Manual

Problem Solving

4 Click Reset Meters if you want to reset the Average Power and Peak
Power.
5 Click OK when you have finished.
Displaying a Graphical Summary
The Switch can also display a graphical summary of the state of ports and
the power they supply. To view the graphical summary:
1 Log into the Web interface.
2 From the Device View, click Display Filter. The Display Filter screen will be
displayed.
3 Select Powered Ports from the drop-down box and click OK. The Web
interface will display Power over Ethernet information in place of the
Ethernet ports. The Web interface will show each port as:
Black — if the port is inactive.
Black with a green bar — if the port is active. The height of the bar
shows the level of power being drawn.
Gray — if the port has been disabled.
Red — if there is a Power over Ethernet fault on the port.
If a device is not supplied with power after you have connected it to the
Switch 4400 PWR, check the following:
The device is Power over Ethernet compliant and is configured to
receive its power over Ethernet. See the documentation supplied with
your device.
The port you are using has been enabled for Power over Ethernet use
(the default setting). See
page 116.
The power budget for the port has not been exceeded. See
"Calculating Power Budgets"
The power budget for the Switch has not been exceeded. See
"Calculating Power Budgets"
Category 5 cables or better are required for 100 Mbps or Power over
Ethernet use.
"Configuring a Guaranteed Power Plan"
on page 114.
on page 114.
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