3-3
6) Fix the mounting ears to the square-hole brackets of the N68 cabinet with fastening screws.
Mounting a Switch on a Workbench
1) Before installation, make sure that:
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The workbench is firm enough to hold the switch and cables.
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There are no obstacles around the workbench.
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The switch is ready for installation and has been carried near to the workbench.
2) Together with another person, carry the switch to front of the workbench slowly.
3) Lift the switch a little above the workbench and put the switch on it.
Connecting the Grounding Cable
Correct connection of the protection grounding cable of the switch ensures the lightning protection and
anti-interference performance of the switch. Thus, you must connect the grounding cable properly when
installing and using a switch.
Common grounding environment
1) Remove the grounding screw from the lower right part of the rear panel of the switch chassis.
2) Set the grounding cable connector provided together with the switch around the grounding screw.
3) Fasten the grounding screw in the hole on the chassis.
4) Connect the other end of the grounding cable to the grounding strip of the switch.
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The S7900E series provide dual grounding screws in compliance with the NEBS standard to
deliver high reliability.
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Generally, the cabinet has a grounding strip. The grounding cable of the switch can be connected
to the grounding strip of the cabinet.
Other grounding environment
The following figures are sketch maps, and just show the way of cable connecting rather than the real
layouts.
Hereafter introduced some methods for grounding the switch in different environment.
