Ac Power Connection - ZyXEL Communications 43222612 User Manual

Attach the other end of the ground cable to a grounding bar located on the rack where you install the
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Switch or to an on-site grounding terminal.
Figure 32 Attach Ground Cable to Grounding Bar or On-site Grounding Terminal
The grounding terminal of the server rack or on-site grounding terminal must also be grounded and
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connected to the building's main grounding electrode. Make sure the grounding terminal is connected
to the buildings grounding electrode and has an earth resistance of less than 10 ohms, or according to
your country's electrical regulations.
Figure 33 Connecting to the Building's Main Grounding Electrode
If you are uncertain that suitable grounding is available, contact the appropriate electrical inspection
authority or an electrician.
This device must be grounded. Do this before you make other
connections.

3.2.2 AC Power Connection

Note: Make sure you are using the correct power source as shown on the panel and that no
objects obstruct the airflow of the fans (located on the side of the unit).
To connect power to the Switch, insert the female end of the power cord to the AC power receptacle
on the rear panel. Connect the other end of the supplied power cord to a power outlet.
Chapter 3 Hardware Panels
GS2220 Series User's Guide
46