C-2
Cisco ME 2400 Ethernet Access Switch Hardware Installation Guide
OL-7678-01
Appendix C Connecting to DC Power
Grounding the Switch
• 6-gauge copper ground wire (insulated or noninsulated)
• Four leads of 18-gauge copper wire
• Wire-stripping tools for stripping 6- and 18-gauge wires
Grounding the Switch
Warning
This equipment is intended to be grounded. Ensure that the host is connected to earth ground during
normal use.
Statement 39
Warning
When installing the unit, always make the ground connection first and disconnect it last.
Statement 42
Caution To make sure that the equipment is reliably connected to earth ground, follow the grounding
procedure instructions, and use a UL-listed lug suitable for number-6 AWG wire and two number-10-32
ground-lug screws.
Preparing the Ground Wire
Before you ground the switch to earth ground, you must prepare the ground wire. Follow these steps.
Make sure to follow any grounding requirements at your site.
Step 1 Locate the ground lug and the two number-10-32 screws. A ground lug and screws are located both on
the front panel and on the rear panel of the switch. Only one ground connection is required.
Use a standard Phillips screwdriver or a ratcheting torque screwdriver with a Phillips head.
Set the screws and the ground lug aside.
Step 2 If your ground wire is insulated, use a wire stripping tool to strip the 6-gauge ground wire to 0.5 inch
(12.7 millimeter [mm]) ± 0.02 inch (0.5 mm) as shown in Figure C-1.
Figure C-1 Stripping the Ground Wire
Step 3 Slide the open end of the ground lug over the exposed area of the 6-gauge wire.
Step 4 Using a Panduit crimping tool, crimp the ground lug to the 6-gauge wire.
Insulation
Wire lead
0.5 in. (12.7 mm)
±
0.02 in. (0.5 mm)
60528
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