User`s manual

DA-681 Series Hardware User’s Manual Hardware Installation
Front Panel LED
There are 40 LED indicators on the front panel. Information about each LED is given in the
following table.
Power Fail 2
Power Fail 1
RS-232
RS-485
LED Indicators
LAN
Power
Storage
LED Indicators
LED Indicators
LED Name Color LED Description
Green Power is on Power
Off No power input or power error
Yellow /
Blinking
Data is being written to or to read from the storage unit Storage
Off Storage unit is idle
Green 100 Mbps of Ethernet Port is active Ethernet Port
100 Mbps
Off No activity
Yellow 10 Mbps of Ethernet Port is active Ethernet Port
10 Mbps
Off No activity
Green Serial port is transmitting data Serial Port TX 1-12
Off No operation
Yellow Serial port is receiving data Serial Port RX 1-12
Off No operation
Red Power 1 fails (For dual power models only) Power Fail 1
Off Power works well
Red Power 2 fails (For dual power models only) Power Fail 2
OFF Power works well
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