Connecting to Power
Power On (AC Power)
Plug one end of the AC power cord into the power connector of the Switch and the other end into the local
power source outlet..
Power Failure (AC Power)
In the event of a power failure, just as a precaution, unplug the Switch. After the power returns, plug the
switch back in to the power socket.
Connecting to a Redundant Power Supply
The DPS-500 connects to the Switch using a 14-pin DC power cable. A standard, three-pronged AC
power cable connects the redundant power supply to the main power source.
6
1. Insert one end of the 14-pin DC power cable into the port on the switch and the other end into the
redundant power supply.
2. Using a standard AC power cable, connect the redundant power supply to the main AC power source. A
green
LED on the front of the DPS-500 will glow to indicate a successful connection.
3. Re-connect the switch to the AC power source. The LED indicator will show that a redundant power
supply is now in operation.
4. Do not make any changes on the switch.
Summary of Contents for DGS-3420-28TC
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