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Removing and Installing a DC Power Supply
Caution
Before you connect DC-input power, you must install the DC power ground leads to the DC power
supply.
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection
authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024
Obtain these necessary tools and equipment:
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To install the DC power supply, follow these instructions:
Slide the DC power supply into the chassis.
Step 1
Step 2
Move the power up restrictor to the left to gain access to the upper power supply captive installation
screw.
Hold the power up restrictor to the left, while using a Number 2 Phillips screwdriver to tighten the upper
Step 3
power supply captive installation screw.
Tighten the lower power supply captive installation screw on the lower left of the power supply.
Step 4
Go to the
installation procedure.
Installing the DC Grounding Leads
To install the DC grounding leads on the DC power supply, follow these instructions.
The DC power supply ships with the DC power supply ground lugs, star washers, and nut attached to the
grounding stud on the DC power supply.
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Cisco 7201 Installation and Configuration Guide
4-12
Ratcheting torque screwdriver with a Phillips head that exerts up to 15 pound force-inches (lbf in.)
or 240 ounce force-inches (ozf in.) of pressure
Panduit crimping tool with optional controlled cycle mechanism
18-gauge copper ground wire (insulated or noninsulated)
Four leads of 18-gauge copper wire
Wire-stripping tool for stripping 18-gauge wire
"Installing the DC Grounding Leads" section on page 4-12
If you are going to use the new ground lug and attach it to new ground wire, see the
DC Grounding Leads" section on page
If you are going to use the current ground lug and ground wire with the new DC power supply, follow
the instructions below.
Chapter 4
Replacing Cisco 7201 Field-Replaceable Units
to continue the DC power supply
2-27.
"Installing the
OL-11364-04
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