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DGS-3000 Series Layer 2 Managed Gigabit Switch Hardware Installation Guide
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Figure 2-4 Connecting a DC power source to the Switch
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 that will be activated when the AC
power is not working. Make sure that connection polarity (positive and negative) is correct at both sides before
using this feature to avoid any damaged.
3. Connect the other end of the DC power cords to the DC power source connector.
4. Connect the DC power source connector to the switch.
5. Turn the ON/OFF toggle switch on.
Alarm Connector (DGS-3000-26TC Only)
The alarm connector can be used to use external devices when triggered events occur.