Allied Telesis AT-SBx81CFC960 - Manual (Page 181)

SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section II: Installing the Chassis 181
Figure 120. Installing the Grounding Wire
5. Connect the other end of the grounding wire to the building protective
earth.
Warning
When installing this equipment, always ensure that the power supply
ground connection is installed first and disconnected last.
 E11
Note
This system will work with a positive grounded or negative grounded
DC system.
 E13
After connecting the grounding wire, go to “Choosing a Method for
Attaching the Power Wires” on page 184.
Grounding
wire