INSTALLATION GUIDE
4. PRESENTATION OF THE APPLIANCES
Point 1: to shut down the software, hold down the software shutdown button for 4 seconds (until
the Online (green) LED goes off).
NOTE:
The fan is directly linked to the power supply.
Point 2: the Power LED (yellow) indicates that the product has been plugged in but has been shut
down. If this is the only LED that lights up, this means that the appliance is off.
The product is running when the Power LED and the Status and Online LEDs (green) are visible.
The Online LED will be the last to light up when the product is running. Traffic will pass through
the interfaces.
When the appliance is starting, shutting down or being updated, only the Status and Power LEDs
will light up.
WARNING
You are strongly advised against unplugging the product when the Status LED is starting,
shutting down or being updated.
The Status LED will blink (quick blinking every 250 milliseconds) in the event of a major failure of the product
(hardware modification, faulty network interface, etc). In this case, do contact your distributor.
For an appliance configured in high availability, the Online LED will light up intermittently (for every second it
lights up, it will go off for 2 seconds). This means that the appliance is in passive mode.
Points 3, 4 and 5: these different ports enable access to the appliance in console mode.
The LEDs above the interfaces provide indications as to the throughput. For the U450, if the left
LED lights up on an IN interface, this indicates a throughput of 10 mbits/s, 2 LEDs that light up
indicate a throughput of 100 mbits/s and if the right LED lights up, this indicates a throughput of
1000 mbits/s.
One or two blinking LEDs on an IN interface indicate the presence of network activity.
NOTE
power is supplied to this appliance from outside the rear panel. An upgrade to version 8.0 is
recommended.
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