Dc Electrical Connections - Cisco ESW2 Series Quick Start Manual

Insert the fan tray back into the switch, and secure it by tightening
S 5
TEP
the thumb screws.
Check for proper air flow.
S 6
TEP

DC Electrical Connections

Power installation must be performed by a qualified electrician and
followed by the local and national electrical codes ANSI/NFPA 70 and
Canadian Electrical Coed, Part I, CSA C22. 1
Before powering on the switch for the first time, you must
W
ARNING
properly connect the frame of the switch to earth ground. This
is necessary to reduce the effects of external electrical noise,
and help protect the user from electrocution.
The minimum gauge wire for grounding is 18AWG.
Hazardous voltage or energy may be present on DC power
W
ARNING
terminals.
Proper grounding is from an earth connection to the terminal ground screw
on the back of the switch. In the following diagram, 1 is the grounding tab
screwed into place on the grounding lug of the terminal strip, and 2 is the
grounding cable to earth ground.
6 Cisco ESW2 Series Advanced Switches