Cisco 159330 User's Guide download pdf (Page 59)

CHAPTER

3-1

Cisco AC/DC Power System User Guide, R1.0

May 2006

Component Replacement

This chapter contains information about replacing Cisco AC/DC Power System components in the field.

Consult this chapter in the event of a system malfunction.

3.1 Safety

The following warning should be followed to ensure personal safety and to protect the Cisco AC/DC

Power System:

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

The following guideline should be followed to ensure personal safety and to protect the Cisco AC/DC

Power System:

Keep the system area clear and dust-free during and after the installation.

See the “1.2 Safety Recommendations” section on page 1-8 for more warnings.

3.2 Component Replacement

The following section contains information about replacing components in the Cisco AC/DC Power

System.

3.2.1 Replace the 1 RU Distribution Shelf

Step 1 Locate the 1 RU Distribution Shelf installation location.

Step 2 Ensure that all the circuit breakers are in the OFF position.

Step 3 Ensure that equipment being powered by the Cisco AC/DC Power System is OFF and not drawing DC

power.

Step 4 Locate the load-and-return connections at the rear of the 1 RU Distribution Shelf. Remove the Phoenix

Contact PC6™ connectors from the 1 RU Distribution Shelf by loosening the flat screws and pulling the

connectors away from the 1 RU Distribution Shelf (Figure 3-1 #2).

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Cisco 159330 User's Guide Page 59