Connecting A Dc Power Supply - D-Link DGS-3000-28SC Quick Installation Manual

E) Fasten the tie of the Retainer until the power cord is secured.

Connecting a DC Power Supply

The Switch provides a DC power source connector to connect to any DC power source. The DC power
source that will be activated when the AC power is not working .The DC power source must meet the fol -
lowing requirements:
• The DC power source's output voltage must be between 11.4V and 12.6V.
• The DC power source's output current rate must be higher or equal to 2.5A.
• Voltage protection must be apllied when the voltage is higher or equal to 15V.
• Current protection must be apllied when the current is higher or equal to 6A.
1. Make sure that the ON/OFF toggle switch on the rear panel of the Switch is turned off.
2. Connect one end of the DC power cords supplied to a DC power source. Make sure that connection
polarity (positive and negative) is correct at both sides before using this feature to avoid any damaged.
Connect the other end of the DC power cords to the DC power source connector.
3. Connect the DC power source connector to the switch.
4. Turn the ON/OFF toggle switch on.
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