Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 230

Removing and Installing the DC-Input Power Supplies
Installing a 1300 W or 2500 W DC-Input Power Supply
Warning Before performing any of the following procedures, ensure that power is removed from the DC
circuits. To ensure that all power is removed, locate the circuit breakers or fuses on the DC power
lines that service the DC circuits. Turn OFF the DC power line circuit breakers and remove the DC
power line fuses. Statement 322
Warning When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
To install a DC-input power supply, follow these steps:
Ensure that the system (earth) ground connection has been made. For ground connection installation
Step 1
instructions, see the
Verify that power is off to the DC circuit on the power supply that you are installing. As an added
Step 2
precaution, place the appropriate safety flag and lockout devices at the source power circuit breaker, or
place a piece of adhesive tape over the circuit breaker handle to prevent accidental power restoration
while you are working on the circuit.
Step 3 Verify that the power switch is in the off (0) position on the power supply that you are installing.
See
Use both hands to install and remove power supplies. Each Catalyst 6500 series DC-input power supply
Caution
weighs between 22 pounds (10 kg) and 28 pounds (12.7 kg).
Grasp the power supply handle with one hand, and place your other hand underneath the power supply.
Step 4
Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the
bay. (See
Tighten the power supply captive installation screw. (See
Step 5
or Figure 4-12
Step 6 Remove the two screws securing the terminal block cover, and slide the cover off of the terminal block.
See
Catalyst 6500 Series Switches Installation Guide
4-24
"Establishing the System Ground" section on page
Figure 4-11 for the 1300 W DC power supply or
Figure 4-15.)
for the 2500 W DC power supply.)
Figure 4-11 for the 1300 W DC power supply or
Chapter 4 Removal and Replacement Procedures
3-52.
Figure 4-12 for the 2500 W DC power supply.
Figure 4-11 for the 1300 W DC power supply
Figure 4-12 for the 2500 W DC power supply.
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