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Table of Contents

Removal and Replacement Procedures
Removing and Replacing the 950 W Power Supplies
Removing and Installing the PEM
Removing and Installing the AC-Input Power Supplies
Removing and Installing DC-Input Power Supplies
Removing and Replacing the Fan Assembly

Removal and Replacement Procedures



Note   In this publication, the term Catalyst 6500 series refers only to the switch chassis listed in Chapter 1. The Catalyst 6000 series switches are described in a separate publication, the Catalyst 6000 Series Switch Installation Guide.

This chapter describes how to perform the following removal and replacement procedures for the Catalyst 6500 series field-replaceable units (FRUs):


Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

For instructions on installing and replacing modules, refer to the Catalyst 6500 Series Switch Module Installation Guide.

Removing and Replacing the 950 W Power Supplies

This section describes how to remove and install the 950 W AC-input and DC-input power supplies for the Catalyst 6503 switch.


Note   The 950 W AC-input and DC-input power supplies can be installed only in the Catalyst 6503 switch chassis.

Required Tools

A flat-blade or number 2 Phillips-head screwdriver is required to perform these procedures.

Removing a 950 W AC-Input Power Supply

This section covers the AC-input power supply removal procedure for the Catalyst 6503 switch.


Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034


Note   In systems with redundant power supplies, you can replace the faulty supply while the system is operating.


Note   This procedure covers the removal of the power supply only. For information on removing the power entry module (PEM), see the "Removing and Installing the PEM" section.

Follow these steps to remove a power supply:


Step 1   Turn the power switch to the Off (0) position on the PEM for the power supply you are removing. (Figure 5-1 shows the location of the AC-input PEMs on the Catalyst 6503 switch chassis.)

Step 2   Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord when it is still connected to the PEM.

Step 3   Remove the power cord from the power connection on the PEM. Do not touch the metal prongs embedded in the PEM.

Step 4   Loosen the captive installation screws on the power supply. (See Figure 5-2 for the Catalyst 6503 switch.)

Step 5   Grasp the power supply handle with one hand and slide the power supply part of the way out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-3, and slide the power supply completely out of the chassis.

Step 6   If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number 800-16727-01 for the Catalyst 6503 switch) over the opening, and secure it with the captive installation screws.




Figure 5-1   Catalyst 6503 Switch—PEM Location



Figure 5-2   950 W Power Supply Captive Installation Screws



Figure 5-3   Handling a 950 W AC-Input Power Supply


Installing a 950 W AC-Input Power Supply

This section covers the 950 W AC-input power supply installation procedure for the Catalyst 6503 switch.

Follow these steps to install an AC-input power supply:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection instructions, see the "Establishing the System Ground" section.

Step 2   If necessary, remove the blank power supply filler plate from the chassis power supply bay opening by loosening the captive installation screws.

Step 3   Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as shown in Figure 5-3. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay.

Step 4   Securely tighten the power supply captive installation screws. (See Figure 5-2 for the Catalyst 6503 switch.)


Caution   Power supply captive installation screws must be tight to ensure protective grounding continuity.

Step 5   Plug the power cord into the PEM.

Step 6   Connect the other end of the power cord to an AC-input power source.


Caution   In a system with dual power supplies, connect each power supply to a separate input source. In case of a power source failure, the second source will most likely still be available.

Step 7   Turn the PEM power switch to the On (|) position.

Step 8   Verify power supply operation by checking that the power supply LEDs are in the following states:

If the LEDs indicate a power problem, see the "Identifying Startup Problems" section for troubleshooting information.



Removing a 950 W DC-Input Power Supply


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003


Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034

Follow these steps to remove a DC-input power supply:


Step 1   Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are removing. (Figure 5-4 shows the location of the DC-input PEMs on the Catalyst 6503 switch chassis.)

Step 2   Loosen the captive installation screws on the power supply. (See Figure 5-5.)

Step 3   Grasp the power supply handle with one hand and slide the power supply part of the way out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-6, and slide the power supply completely out of the chassis.

Step 4   If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number 800-16727-01) over the opening and secure it with the captive installation screws.




Figure 5-4   Catalyst 6503 Switch—DC-Input PEM Location



Figure 5-5   950 W Power Supply Captive Installation Screws



Figure 5-6   Catalyst 6503 Switch—Handling a DC-Input Power Supply


Installing a 950 W DC-Input Power Supply


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003

Follow these steps to install a DC-input power supply:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the "Establishing the System Ground" section.

Step 2   Verify that power is off to the DC circuit connected to the DC PEM for the power supply you are installing.

Step 3   Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as shown in Figure 5-6. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay.

Step 4   Tighten the power supply captive installation screws. (See Figure 5-5.)


Caution   Power supply captive installation screws must be tight to ensure protective grounding continuity.


Caution   In a system with dual power supplies, connect each power supply to a separate input line. In case of a line failure, the second source will most likely still be available.

Step 5   Verify that all connections to the DC PEM are secure.

Step 6   Remove the tape from the circuit breaker switch handle and restore power by moving the circuit breaker switch handle to the On (|) position.

Step 7   Verify power supply operation by checking that the power supply front panel LEDs are in the following states:

If the LEDs indicate a power problem, see the "Identifying Startup Problems" section.



Removing and Installing the PEM

This section describes how to remove and install the PEMs for the Catalyst 6503 switch.


Note   The PEM is used only on the Catalyst 6503 switch.

The PEM provides an input power connection on the front of the chassis to connect the site power source to the power supply. In addition to providing an input power connection, the PEM also has an illuminated power switch (AC-input only), current protection, surge and EMI suppression, and filtering functions.

The PEM on the left (PEM 1) connects the site power source to power supply 1; the  PEM on the right (PEM 2) connects the site power source to power supply 2. See Figure 5-7 for the location of the PEM; see Figure 5-8 for the location of the power supplies.


Figure 5-7   Catalyst 6503—PEM Location



Figure 5-8   Catalyst 6503 Switch—Power Supply Location


Required Tools

You need a flat-blade or number 2 Phillips-head screwdriver to perform these procedures.

Removing the AC-Input PEM

Follow these steps to remove an AC-input PEM:


Step 1   Turn the power switch to the Off (0) position on the PEM you are removing. (See Figure 5-7.)

Step 2   Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord when it is still connected to the PEM.

Step 3   Remove the power cord from the power connection on the PEM. Do not touch the metal prongs embedded in the PEM.

Step 4   Loosen the captive installation screws. (See Figure 5-9.)

Step 5   Grasp the PEM with one hand and slide it part of the way out of the chassis. Place your other hand underneath the PEM, as shown in Figure 5-10, and slide it completely out of the chassis.

Step 6   If the PEM bay is to remain empty, install a blank PEM filler plate (Cisco part number 800-16719-01) over the opening and secure it with the captive installation screws.




Figure 5-9   AC-Input PEM



Figure 5-10   Handling a PEM


Installing the AC-Input PEM

Follow these steps to install an AC-input PEM:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection instructions, see the "Establishing the System Ground" section.

Step 2   If necessary, remove the blank PEM filler plate (Cisco part number 800-16719-01) from the chassis PEM bay opening by loosening the captive installation screws.

Step 3   Grasp the PEM with one hand. Place your other hand underneath the PEM, as shown in Figure 5-10. Slide the PEM into the PEM bay. Make sure that the PEM is fully seated in the bay.

Step 4   Tighten the PEM captive installation screws. (See Figure 5-9.)

Step 5   Plug the power cord into the PEM.

Step 6   Connect the other end of the power cord to an AC-input power source.


Caution   In a system with dual power supplies, connect each power supply to a separate input source. In case of a power source failure, the second source will most likely still be available.

Step 7   Turn the power switch to the On (|) position on the PEM.



Removing a DC-Input PEM


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003


Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034

Follow these steps to remove a DC-input PEM:


Step 1   Verify that power is off to the DC circuit for the PEM you are removing.

Step 2   Loosen the captive installation screws on the PEM. (See Figure 5-11.)

Step 3   Slide the PEM part way out of the chassis so you have access to the PEM terminal block screws. (See Figure 5-12.)

Step 4   Disconnect the DC-input wires from the PEM terminal block in this order:


Note    It is not necessary to disconnect the system ground connection.


Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Step 5   Grasp the PEM with one hand and place your other hand underneath the PEM, as shown in Figure 5-13, and slide the PEM completely out of the chassis. Set the PEM aside.

Step 6   If the PEM bay is to remain empty, install a blank PEM filler plate (Cisco part number 800-16719-01) over the opening and secure it with the captive installation screws.




Figure 5-11   Catalyst 6503 Switch—DC-Input PEM



Figure 5-12   Catalyst 6503—DC-Input PEM Terminal Block Screws



Figure 5-13   Handling a DC-Input PEM


Installing a DC-Input PEM


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003

Follow these steps to install a DC-input PEM:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the "Establishing the System Ground" section.


Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Step 2   Verify that power is off to the DC circuit for the PEM you are installing.

Step 3   Install the PEM part way in the chassis so you still have access to the PEM terminal block screws. (See Figure 5-14.)

Step 4   Connect the DC-input wires to the terminal block in this order:

Step 5   After ensuring that all wire connections are secure, install the PEM in the bay.

Step 6   Tighten the power supply captive installation screws. (See Figure 5-15.)


Caution   In a system with dual power supplies, connect each power supply to a separate input line. In case of a line failure, the second source will most likely still be available.

Step 7   Remove the tape from the circuit breaker switch handle and restore power by moving the circuit breaker switch handle to the On (|) position.

Step 8   Verify power supply operation by checking that the power supply front panel LEDs are in the following states:

If the LEDs indicate a power problem, see the "Identifying Startup Problems" section.




Figure 5-14   Catalyst 6503—DC-Input PEM Terminal Block Screws



Figure 5-15   Catalyst 6503 Switch—DC-Input PEM


Removing and Installing the AC-Input Power Supplies

This section describes how to remove and install AC-input power supplies for the Catalyst 6500 series switches. The procedures in this section pertain to the following power supplies:

All four power supplies have the same form factor and are removed and installed using the same procedures.


Note   In systems with redundant power supplies, you can replace the faulty supply while the system is operating.

Required Tools

A flat-blade or number 2 Phillips-head screwdriver is required to perform these procedures.

Removing an AC-Input Power Supply


Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034

To remove an AC-input power supply, follow these steps:


Step 1   Turn the power switch to the Off (0) position on the power supply you are removing. (See Figure 5-16.) Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.

Step 2   Disconnect the power cord from the power source.

Step 3   Loosen the screw on the cable retention device, and disconnect the power cord from the power supply being removed.


Note    The AC power cord for the 4000 W power supply is hard wired and cannot be removed from the supply.

Step 4   Loosen the captive installation screw. (See Figure 5-16.)


Caution   Use both hands to install and remove power supplies. Each Catalyst 6500 series AC-input power supply weighs between 22 pounds (9.9 kg) and 28 pounds (12.6 kg).

Step 5   Grasp the power supply handle with one hand, and slide the power supply part of the way out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-17, and slide the power supply completely out of the chassis.

Step 6   If the power supply bay is to remain empty, install a blank faceplate (Cisco part number 700-03104-01) over the opening, and secure it with the captive installation screw.




Figure 5-16   AC-Input Power Supply Front Panel



Figure 5-17   Handling an AC-Input Power Supply


Installing an AC-Input Power Supply


Caution   Use both hands to install and remove power supplies. Each Catalyst 6500 series AC-input power supply weighs between 22 pounds (9.9 kg) and 28 pounds (12.6 kg).

To install an AC-input power supply, follow these steps:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection instructions, see the "Establishing the System Ground" section.

Step 2   If necessary, remove the blank faceplate (Cisco part number 700-03104-01) from the chassis power supply bay opening by loosening the captive installation screw.

Step 3   Verify that the power switch is in the Off (0) position on the power supply you are installing. (See Figure 5-16.)

Step 4   Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as shown in Figure 5-17. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay.

Step 5   Tighten the power supply captive installation screw. (See Figure 5-16.)

Step 6   Plug the power cord into the power supply, and tighten the screw on the cable retention device.


Note    The AC power cord for the 4000 W power supply is hard wired to the power supply.

Step 7   Connect the other end of the power cord to an AC-input power source.


Caution   In a system with dual power supplies, connect each power supply to a separate input source. In case of a power source failure, the second source will most likely still be available.

Step 8   Turn the power switch to the On (|) position on the power supply. Switching the power switch to On also engages a pawl that locks the power supply in the bay.

Step 9   Verify power supply operation by checking that the power supply front panel LEDs are in these states:



If the LEDs indicate a power problem, see the "Identifying Startup Problems" section for troubleshooting information.

Removing and Installing DC-Input Power Supplies

This section covers the DC-input power supply installation procedure for the Catalyst 6500 series switches and is divided into the following topics:

Removing 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 circuit. Statement 1003


Warning Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when servicing. Statement 1034

Follow these steps to remove a DC-input power supply:


Step 1   Verify that power is off to the DC circuit on the power supply you are removing.

Step 2   Turn the power switch to the Off (0) position on the power supply you are removing. (See Figure 5-18 for the 1300 W DC power supply, Figure 5-19 for the 2500 W DC power supply.) Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.

Step 3   Remove the two screws securing the terminal block cover and remove the cover from the terminal block. (See Figure 5-18 for the 1300 W DC power supply or Figure 5-19 for the 2500 W DC power supply.)

Step 4   Disconnect the DC-input wires from the terminal block (see Figure 5-20 for the 1300 W DC power supply or Figure 5-21 for the 2500 W DC power supply) in this order:


Note    The terminals on the 1300 W DC power supply DC power cable terminal block are labeled (from top to bottom) +, -, ground. The terminals on the 2500 W DC power supply DC power cable terminal block are labeled (from top to bottom) -, +, ground.


Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Step 5   Loosen the captive installation screw on the power supply. (See Figure 5-20 for the 1300 W DC power supply or Figure 5-21 for the 2500 W DC power supply.)


Caution   Use both hands to install and remove power supplies. Each Catalyst 6500 series DC-input power supply weighs between 22 pounds (9.9 kg) and 33 pounds (15 kg).

Step 6   Grasp the power supply handle with one hand and slide the power supply halfway out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-22, and slide the power supply completely out of the chassis. Set the power supply aside.

Step 7   If the power supply bay is to remain empty, install a blank faceplate (Cisco part number 700-03104-01) over the opening, and secure it with the captive installation screw.




Figure 5-18   DC-Input Power Supply Front Panel (WS-CDC-1300W)



Figure 5-19   DC-Input Power Supply Front Panel (WS-CDC-2500W)



Figure 5-20   DC-Input Wire Connections on the Terminal Block (WS-CDC-1300W)



Figure 5-21   DC-Input Wire Connections on the Terminal Block (WS-CDC-2500W)



Figure 5-22   Handling a DC-Input Power Supply


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 circuit. Statement 1003

Follow these steps to install a DC-input power supply:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the "Establishing the System Ground" section.

Step 2   Verify that power is off to the DC circuit on the power supply you are installing.

Step 3   Verify that the power switch is in the Off (0) position on the power supply you are installing. (See Figure 5-18 for the 1300 W DC power supply or Figure 5-19 for the 2500 W DC power supply.)


Caution   Use both hands to install and remove power supplies. Each Catalyst 6500 series DC-input power supply weighs between 22 pounds (9.9 kg) and 28 pounds (12.6 kg).

Step 4   Grasp the power supply handle with one hand and place your other hand underneath the power supply. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay. (See Figure 5-22.)

Step 5   Tighten the power supply captive installation screw. (See Figure 5-18 for the 1300 W DC power supply or Figure 5-19 for the 2500 W DC power supply.)

Step 6   Remove the two screws securing the terminal block cover and remove the cover from the terminal block. (See Figure 5-18 for the 1300 W DC power supply or Figure 5-19 for the 2500 W DC power supply.)

Step 7   Attach the appropriate lugs to the DC-input wires. The maximum width of a lug is 0.300 inch (7.6 mm).


Note    The wire should be sized according to local and national installation requirements. Use only copper wire.

Step 8   Connect the DC-input wires to the terminal block (see Figure 5-23 for the 1300 W DC power supply or Figure 5-24 for the 2500 W DC power supply) in this order:


Note    The terminals on the 1300 W DC power supply DC power cable terminal block are labeled (from top to bottom) +, -, ground. The terminals on the 2500 W DC power supply DC power cable terminal block are labeled (from top to bottom) -, +, ground.


Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Step 9   After ensuring that all wire connections are secure, reinstall the terminal block cover.


Caution   To prevent a short circuit or shock hazard after wiring the DC-input power supply, reinstall the terminal block cover.


Caution   In a system with dual power supplies, connect each power supply to a separate power source. In case of a power source failure to one supply, the second power source will most likely still be available.

Step 10   Remove the tape from the circuit breaker switch handle, and restore power by moving the circuit breaker switch handle to the On (|) position.

Step 11   Turn the power switch to the On (|) position on the power supply. Turning the power switch on also engages a pawl that locks the power supply in the chassis.

Step 12   Verify power supply operation by checking that the power supply front panel LEDs are in these states:



If the LEDs indicate a power problem, see the "Identifying Startup Problems" section.


Figure 5-23   DC-Input Power Supply Connectors (WS-CDC-1300W)



Figure 5-24   DC-Input Power Supply Connectors (WS-CDC-2500W)


Removing a 4000 W DC-Input Power Supply


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003


Warning Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock, keep hands and fingers out of the power supply bays and backplane areas. Statement 166

Follow these steps to remove a 4000 W DC-input power supply:


Step 1   Verify that power is off to the DC circuit connected to the DC-input power supply you are removing.

Step 2   Turn the power switch to the Off (0) position on the power supply you are removing (Figure 5-25). Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.


Figure 5-25   DC-Input Front Panel for 4000-W DC-Input Power Supply


Step 3   Remove the two screws securing the terminal block cover, and slide the cover off of the terminal block. (See Figure 5-25.)


Note    You must remove two terminal block covers for the 4000 W DC-input power supply. The left-side terminal block cover has two securing screws and the right-side terminal block cover has one securing screw.

Step 4   Remove the plastic insulator from over the terminal area (Figure 5-26).

Step 5   Disconnect the DC-input wires from the terminal block in this order:


Note    You must remove DC-input wires from two terminal blocks for the 4000 W DC-input power supply (if both terminal blocks are used).


Warning When installing the unit, always make the ground connection first and disconnect it last. Statement 42


Figure 5-26   DC-Input Wire Connections for 4000-W DC-Input Power Supply


Step 6   Loosen the captive installation screws on the power supply. (See Figure 5-26.)


Caution   Use both hands to install and remove power supplies. Each DC-input power supply weighs between 22 pounds (9.9 kg) and 33 pounds (15 kg).

Step 7   Grasp the power supply handle with one hand and slide the power supply part of the way out of the chassis. Place your other hand underneath the power supply, as shown in Figure 5-27, and slide the power supply completely out of the chassis.


Figure 5-27   Handling a 4000 W DC-Input Power Supply


Step 8   If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco part number 700-03104-01) over the opening, and secure it with the captive installation screws.



Installing a 4000 W DC-Input Power Supply


Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003

Follow these steps to install a 4000 W DC-input power supply:


Step 1   Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the "Establishing the System Ground" section.

Step 2   Verify that power is off to the DC circuit that is connected to the power supply you are installing.


Caution   Use both hands to install and remove power supplies. Each DC-input power supply weighs between 22 pounds (9.9 kg) and 33 pounds (15 kg).

Step 3   Grasp the power supply handle with one hand, and place your other hand underneath the power supply. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay. (See Figure 5-28.)


Figure 5-28   Handling a 4000 W DC-Input Power Supply


Step 4   Tighten the power supply captive installation screws. (See Figure 5-29.)


Figure 5-29   4000 W DC-Input Power Supply Front Panel



Warning Power supply captive installation screws must be tight to ensure protective grounding continuity. Statement 289

Step 5   Remove the two screws securing the terminal block cover, and slide the cover off of the terminal block. (See Figure 5-29.)


Note    You must remove two terminal block covers for the 4000 W DC-input power supply.

Step 6   Attach the appropriate lugs to the DC-input wires. The maximum width of a lug is 0.300 inch (7.6 mm). The wire should be sized according to local and national installation requirements. Use only copper wire.


Note    For 4000 W power supplies, use 90-degree C fine-stranded copper conductors for North American installations.


Note    For 4000 W power supplies, you must install plastic insulators that are shipped with the power supply as described in Steps 7 and 8. (See Figure 5-30.)


Figure 5-30   DC-Input Wire Connections for 4000-W DC-Input Power Supply


Step 7   Place the plastic insulator over the terminal area, aligning the circular holes in insulating cover with terminal posts. The protective end flap must fold down and cover the open side of the terminal (opposite side from wire entry).

Step 8   Wrap the large perforated flaps around each pair of conductors, inserting each locking tab into rear of slot. Pull the tab until the cover is secured around the power cabling trim and discard excess tab plastic.

Step 9   Connect the DC-input wires to the 4000 W power supply terminal blocks (Figure 5-30) in this order:


Note    The 4000 W DC-input power supply provides voltages at 2700 W or 4000 W. Select 2700W by wiring any two terminals in any sequence. Select 4000 W by wiring all three terminals. The Cisco IOS software detects the wired inputs and sets the proper system power.


Note    For proper 4000 W DC-input redundant power configuration, all three pairs of input wires for one 4000 W DC-input power supply must come from the same battery system (A feed); all three pairs of input wires for the other 4000 W DC-input power supply must come from another battery system (B feed).


Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Step 10   After ensuring that all wire connections are secure, reinstall the terminal block cover.


Caution   To prevent a short circuit or shock hazard after wiring the DC-input power supply, reinstall the terminal block cover.


Caution   In a system with dual power supplies, connect each power supply to a separate input line. In case of a line failure, the second source will most likely still be available.

Step 11   Remove the tape from the circuit breaker switch handle, and restore power by moving the circuit breaker switch handle to the On (|) position.

Step 12   Verify power supply operation by checking that the power supply front panel LEDs are in the following states:

If the LEDs indicate a power problem, see the "Identifying Startup Problems" section.



Removing and Replacing the Fan Assembly

This section describes how to remove and install fan assemblies for the Catalyst 6500 series switches. A flat-blade or number 2 Phillips-head screwdriver is required to perform this procedure.

Removing the Fan Assembly

The fan assembly is designed to be removed and replaced while the system is operating without presenting an electrical hazard or damage to the system.


Warning When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the fan blades completely stop before you remove the fan tray. Statement 258

To remove the existing fan assembly, follow these steps:


Step 1   Locate the fan assembly as follows:


Note    On the Catalyst 6509-NEB-A, the fan assembly is located behind the cable management system. You must first loosen the two captive installation screws located at the top of the cable management system and fold the cable guide down to access the fan assembly (see Figure 5-37).

Step 2   Loosen the two captive installation screws by turning them counterclockwise.

Step 3   Grasp the fan assembly with both hands, and pull it outward; rock it gently, if necessary, to unseat the power connector from the backplane.


Caution   When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the fan blades completely stop before you remove the fan tray.

Step 4   Pull the fan assembly clear of the chassis, and put it in a safe place.




Figure 5-31   Fan Assembly: Catalyst 6503 Switch



Figure 5-32   Fan Assembly: Catalyst 6506 Switch



Figure 5-33   Fan Assembly: Catalyst 6509 Switch



Figure 5-34   Fan Assembly: Catalyst 6513 Switch



Figure 5-35   Fan Assembly: Catalyst 6509-NEB Switch



Figure 5-36   Fan Assembly: Catalyst 6509-NEB-A Switch



Figure 5-37   Accessing the Fan Trays on the Catalyst 6509-NEB-A Switch


Installing the Fan Assembly

To install the new fan assembly, follow these steps:


Step 1   Hold the fan assembly with the fans facing to the right and the FAN STATUS LED at the bottom. (See Figure 5-31 for the Catalyst 6503, Figure 5-32, for the Catalyst 6506, Figure 5-32 for the Catalyst 6509, and Figure 5-33 for the Catalyst 6513.) For the Catalyst 6509-NEB switch, hold the fan assembly with the fans facing down and the FAN STATUS LED on the left. (See Figure 5-35.) For the Catalyst 6509-NEB-A, hold the fan assembly so that the handle is at the top of the assembly. (See Figure 5-36.)

Step 2   Place the fan assembly into the front chassis cavity so that it rests on the chassis, and then lift the fan assembly up slightly, aligning the top and bottom chassis guides.

Step 3   Push the fan assembly into the chassis until the power connector seats in the backplane and the captive installation screws make contact with the chassis.

Step 4   Tighten the captive installation screws.


Note    On the Catalyst 6509-NEB-A switch, fold the cable guide up, and tighten the two captive installation screws at the top of the chassis. (See Figure 5-37.)



Checking the Installation

To verify that the new fan assembly is installed correctly, follow these steps:


Step 1   Listen for the fans; you should immediately hear them operating. If you do not hear them, ensure that the fan assembly is inserted completely in the chassis and that the faceplate is flush with the switch back panel.

Step 2   Verify that the FAN STATUS LED is green. If the LED is red, one or more fans are faulty.

Step 3   If after several attempts the fans do not operate or you experience trouble with the installation (for instance, if the captive installation screws do not align with the chassis holes), contact a Cisco customer service representative for assistance.




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Posted: Thu Feb 12 09:28:04 PST 2004
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