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HP ProCurve 4000M Installation Manual page 11

Hp procurve 4000m: install guide
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LED
State
Status/Modules
On
(green - letters
corresponding to
the switch module
Off
slots)
Flashing
Status/Power
On
(green - numbers
corresponding to
the power supply
Off
positions)
Flashing
Status/Fan
On
(green)
Flashing
The flashing behavior is an on/off cycle once every 1.6 seconds, approximately.
Table 1-3.
LED
State
Link
On
Off
Mode
Displays network activity information, or whether the port is configured for Full Duplex
operation, or 100 Mbps operation depending on the mode selection. See "Mode Select Button
and Indicator LEDs" below for more information.
Meaning
A module is installed in the switch module slot corresponding to the letter and the
module is undergoing or has passed self test. This also occurs when you install a
module when the switch is powered on ("hot swap").
A module is not installed in the switch module slot corresponding to the letter.
The module status LED flashes very briefly when a module is being hot swapped. If
the LED flashes for a prolonged time, the module in the slot corresponding to the
letter has failed self test or encountered some other error condition. See chapter 3,
"Troubleshooting" for a more information.
A power supply is installed in the position in the back of the switch corresponding
to the number, and the supply is plugged in to an active AC power source. As shipped,
the switch has a single power supply in position 1.
A power supply is not installed in the position corresponding to the number.
The power supply installed in the position corresponding to the number is not
plugged in to an active AC power source, or has experienced a fault. The switch
Fault LED will be flashing simultaneously.
The cooling fans are operating normally.
One or more of the cooling fans have failed. The switch Fault LED will be flashing
simultaneously.
Switch Module LEDs
Meaning
Indicates the port is enabled and receiving a link beat signal (for the twisted-pair
ports), or a strong enough light level (for the fiber-optic ports) from the connected
device.
One of these conditions exists:
• no active network cable is connected to the port
• the port is not receiving link beat or sufficient light
• the port has been disabled through the switch console, the web browser
interface, or HP TopTools.
Introducing the HP ProCurve Switch 4000M and 8000M
Front of the Switch
1-5

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