Led Indicators - Lucent Technologies Brick Series Hardware Manual

Model 150 – Rear View

LED Indicators

The Model 150 has the following LED indicator lights on the front panel:
Brick Hardware Guide (8.0)
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Power (PWR) - turns solid green when the unit is powered on by the power
switch on the rear panel.
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FlashDisk Activity (HD Act) - turns green (usually momentarily) when I/O
with the Flashdisk is performed.
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Alarm (Alm) -this light will be off during normal operation. When the
temperature of the CPU exceeds specified limits, the CPU power supply will
be turned off and this light will be red. When this occurs, the Brick is not
functional although the Power, HD Activity, Ethernet Link, and Ethernet
Activity lights may still be green.
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Ethernet Link -these lights will be solid green as long as a link is established
on the port. If there is no link, the light will be off.
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Ethernet Activity -these lights will flash green when activity on the port is
detected.
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Model 150
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