ZyXEL Communications PPS-250, Руководство пользователя

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5
LEDs
After you connect the power to the PPS250, view the LEDs to ensure
proper functioning of the PPS250 and as an aid in troubleshooting.
Refer to the Quick Start Guide and User Guide of your switch for
instructions on how to configure and use its other features.
Table 1: LED Descriptions
LED Color Status Description
PWR Green On The system is turned on.
Off The system is off or has failed.
LNK Green On There is a device connected.
Off No device connected.
PoE Green On Power is supplied to a connected device.
Off There is no power supply.
ALM Red On System failure due to overheating or abnormal
fan operation.
Off The system is working normally.