Chapter 2 Installing and Starting the Switch
Connecting to DC Power
2-26
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
•
Panduit crimping tool with optional controlled cycle mechanism
(model CT-700, CT-720, CT-920, CT-920CH, CT-930, or CT-940CH)
•
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.
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.
Warning
When installing the unit, always make the ground connection first and
disconnect it last.
To ground the switch to earth ground, follow these steps. Make sure to follow any
grounding requirements at your site.
Step 1
Locate and remove the ground lug and the two number-10-32 ground-lug screws
from the rear panel of the switch. (See
for location.) 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 mm) ± 0.02 inch (0.5 mm), as shown in