Mounting OS6855-24 and OS6855-U24 Installing Power Supplies
OmniSwitch 6855 Series Hardware Users Guide March 2009 page 3-5
Installing Power Supplies
OmniSwitch 6855 Series power supply can be installed in the following ways:
• As a primary or backup supply directly connected to the back of an OmniSwitch 6855 Series chassis.
See “Connecting a Power Supply Directly to the Chassis” on page 3-5 for more information.
• As a primary or backup supply connected with a cable. See “Rack Mounting the Power Supply Tray”
on page 3-6 for more information.
DC power supplies require additional installation steps. See “DC Power Supply Considerations” on
page 2-37 for more information.
Anti-Static Warning. Before handling any components, free yourself of static by wearing a grounding
strap, or by grounding yourself properly. Static discharge can damage the switch and the backup power
supply.
Connecting a Power Supply Directly to the Chassis
Follow the steps below to connect a power supply directly (i.e., without a cable) to the back of an
OmniSwitch 6855 Series chassis:
1 Place the chassis and power supply tray on a smooth, clean, and dry surface.
2 Carefully slide the power supply tray so that it is flush against the back of the chassis.
3 Tighten the two captive screws located on the left and right sides of the power supply tray.
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