3Com 7750 Series Manuale d'uso - Pagina 13

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3Com 7750 Series Manuale d'uso
PoE Power Rack Installation Guide

Installing Power Supply Modules

Power supply modules are installed by sliding the module into the power rack, pushing until the power supply
module is fully inserted, and close the handle on the power supply module.
1)
Verify that the AC power switches on the AC distribution panel are in the "OFF" position and the AC
power cords are removed from the EN60320 C20 AC connectors on the PoE Power Rack.
2)
Insert the power supply module into the PoE Power Rack and slide it toward the backplane until it
contacts the backplane connectors
3)
Close the handle on the front of the power supply module and verify that the module is firmly seated.
See Figure4-2 for the power supply module installation.
Figure 4-2 Installing power supply modules

PoE Power Rack Grounding

The PoE Power Rack must be electrically grounded before making any further electrical connections. (Refer
to the installation instructions for grounding the PoE Power Rack).
1)
It is recommended that the supplied green/yellow 16 mm
securely connected to the PE grounding terminal on the rear panel of the chassis, as shown in Figure
4-3.
2)
Terminate the other end of the conductor to a grounding plate or other acceptable ground point. (Follow
local rules and codes regarding grounding requirements).
Chapter 4 Installation and Debugging
2
cable with a M6 single hole terminal lug is
4-3