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Install Your Switch
Install a 1600 W Internal DC Power Supply
Caution
Make sure that the DC power supply circuit is not overloaded. Use proper overcurrent
protection, such as a circuit breaker, to prevent overcurrent conditions. You can use up to
a 30-Amp breaker.
To install a 1600 W DC power supply in a switch, perform the following tasks in the order listed:
1. Make sure you have the tools and materials you need. See
1600 W DC Power Supply
2. Prepare the ground cable by stripping off the insulation. See
Power Supply
3. Insert the power supply into the switch. See
4. Connect the ground wire. See
5. Connect the power supply to the DC source voltage. See
Source Voltage
6. Energize the DC circuit.
To install a second power supply, repeat this procedure.
When you are finished, follow the steps in
Required Tools and Materials to Install a 1600 W DC Power Supply
You need the following tools and materials to install or remove a 1600 W DC power supply in an
Extreme 8820 switch.
•
A #6 AWG copper cable for grounding the power supply and a DC power input cable, which is
provided, to connect the power supply to the DC power source. The ground connection is green or
green with a yellow stripe.
•
Connection hardware appropriate to the installation site:
◦
Hardware for connecting the power wires to the DC source
◦
Hardware for connecting the ground wire to the site grounding point
•
Stripping tool
•
#1 cross-head (Phillips) screwdriver
•
ESD-preventive wrist strap
•
Thermal protective gloves (for removal of a warm power supply)
Prepare the Cables for a 1600 W DC Power Supply
You will need two cable wires for each installed DC power supply: one DC power input cable, which is
provided, and a grounding cable. We recommend that each cable have differently colored insulation, as
described in
To prepare the cable wires, follow these steps:
1. Strip 6 mm (0.25 inch) of insulation from one end of the cable wire, on each cable wire, if necessary.
2. Repeat step
on page 43.
on page 43.
Connect the Ground Wire to a 1600 W DC Power Supply
on page 45.
Required Tools and Materials to Install a 1600 W DC Power
1
for the other cable wire.
Install a 1600 W Internal DC Power Supply
Required Tools and Materials to Install a
Prepare the Cables for a 1600 W DC
Install a 1600 W DC Power Supply
Connect a 1600 W DC Power Supply to the
Turn on the Device
on page 46.
Extreme 8820 Hardware Installation Guide
on page 44.
on page 44.
Supply.
43
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