Required Tools And Materials For Installing A Dc Power Supply; Install The Dc Power Supply - Extreme Networks 9920 Installation Manual

Install the Device and the Components
The DC power supply does not ship installed and must be ordered separately. A DC power cord is
provided with the 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 36-Amp or greater breaker.
Use the following tasks to install a DC power supply in a switch:
1. Make sure you have the tools and materials you need. See
a DC Power
2. Insert the power supply into the switch. See
3. Connect the power supply to the DC source voltage. See
Voltage

Required Tools and Materials for Installing a DC Power Supply

You need the following tools and materials to install or remove a DC power supply.
•
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.
•
ESD-preventive wrist strap.
•
Thermal protective gloves (for removal of a warm power supply).

Install the DC Power Supply

Note
Before installing a DC power supply, verify that the airflow direction for the power supply is
the same as the airflow direction of the installed fan modules in the switch.
To install the power supply, follow these steps:
Caution
The handle on the power supply is not designed to be used to lift or carry the power supply or
the switch to which it is attached.
1. Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an
appropriate ground point on the rack.
2. Identify the power supply slot in the chassis to install the power supply module, and remove the filler
panel, if necessary.
3. Verify that the power supply is right side up by orienting the power supply so that the green tabbed
release lever is on the right-hand side.
4. Slide the power supply into the power supply slot, until the release lever locks the power supply in
place and the power supply is properly seated, as shown in
Supply.
on page 44.
9920 Network Packet Broker Hardware Installation Guide
Required Tools and Materials for Installing a DC Power
Required Tools and Materials for Installing
Install the DC Power Supply
Connect a DC Power Supply to the Source
Figure 21.
Supply
on page 43.
43