Cisco 6500e Manual

							1-73
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing the DC-Input Power Supplies
NoteFor proper 4500W DC-input redundant power configuration, three pairs of input wires for 
one 6000W DC-input power supply must come from the same battery system (A feed); three 
pairs of input wires for the other 6000W DC-input power supply must come from another 
battery system (B feed).
NoteFor multiple DC input power supply, each DC input must be protected by dedicated circuit 
breaker or fuse. The circuit breaker or fuse should be sized according to the power supply 
input rating and local or national electrical code requirements.
Step 11Wire for 6000 W (right side of power supply bay) as follows:
a.From the right side of the power supply, connect the ground wire to the ground (see Figure 1-53).
Figure 1-53 DC-Input Wire Connections for 6000-W DC-Input Power Supply for Right Side of 
Power Bay
191293
RUNINSTALL
CISCO SYSTEMS, INC1
2
34
INPUT OKFA N
OKOUTPUT
FAIL
Terminal
block cover
Power leads
attached to
terminal block
(   ) Ground Input power
module
( - ) Negative
(+)  Positive
( - ) Negative
(+)  Positive
( - ) Negative
(+)  Positive
( - ) Negative
(+)  Positive Captive 
installation
screw
Power
switch 
						

							1-74
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing the DC-Input Power Supplies
b.From the right side of the power supply, connect each of the DC-input wires to the terminal block 
(Figure 1-47 and Figure 1-53) in this order:
Negative (-) 
Positive (+) 
NoteWhen you tighten the terminal nuts, make sure they are snug. Do not over tighten them. 
Recommended torque strength is 20 inch-pounds. Over tightening the terminal nuts can break 
the terminal block (Maximum torque: 36 inch-pounds).
NoteFor proper 6000W DC-input redundant power configuration, all four pairs of input wires for one 
6000W DC-input power supply must come from the same battery system (A feed); all four pairs 
of input wires for the other 4000W DC-input power supply must come from another battery 
system (B feed).
NoteFor multiple DC input power supply, each DC input must be protected by dedicated circuit 
breaker or fuse. The circuit breaker or fuse should be sized according to the power supply input 
rating and local or national electrical code requirements.
WarningWhen installing the unit, always make the ground connection first and disconnect it last. Statement 42
CautionTo prevent a short circuit or shock hazard after wiring the DC-input power supply, reinstall the terminal 
block covers.
Step 12If you are installing a previously-wired IPM, insert the IPM firmly into the power supply and tighten the 
IPM captive screws. (See Figure 1-54.)
Figure 1-54 Inserting Previously-Wired IPM (2700W DC-input shown)
191292
RUNINSTALL
CISCO SYSTEMS, INC1
2
34
INPUT OKFAN
OKOUTPUT
FAIL 
						

							1-75
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
Step 13After confirming all installation steps are correctly completed, safety flags and lockout devices can be 
removed, and the input circuits to the supplies can be energized. 
Step 14Use the power switch to turn the power supply on.
Step 15Verify power supply operation by checking that the power supply front panel LEDs are in the following 
states:
INPUT OK LED is green
FAN OK LED is green
OUTPUT FAIL LED is not lit
Removing and Installing PEMs
This section describes how to remove and install the Power Entry Modules (PEMs) for the Catalyst 6503 
and Catalyst 6503-E switches. There are three PEM models:
950 W AC-input PEM—PEM-15A-AC
1400 W AC-input PEM—PEM-20A-AC+
950 W DC-input PEM—PEM-DC/3
NoteThe PEM is used on the Catalyst 6503 and Catalyst 6503-E switches only.
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.
See Figure 1-55 for the location of the PEM; see Figure 1-56 for the location of the power supplies. 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.
Figure 1-55 Catalyst 6503—PEM Location
SUPERVISOR2 WS-X6K-SUP2-2GESTATUSSYSTEMCONSOLEPWR MGMTRESETC
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63191
PEM 1 PEM 2 
						

							1-76
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
Figure 1-56 Catalyst 6503 Switch—Power Supply Location
Required Tools
Use a flat-blade or number 2 Phillips-head screwdriver to perform these procedures. Additionally, wire 
cutters may be necessary to cut cable tie wraps.
Removing the AC-Input PEM
To remove an AC-input PEM, follow these steps:
Step 1Turn the power switch to the off (0) position on the PEM that you are removing. (SeeFigure 1-55.) 
Step 2Disconnect 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 3Remove the power cord from the power connection on the PEM. Do not touch the metal prongs 
embedded in the PEM.
Step 4Loosen the two captive installation screws. (See Figure 1-57.)
Step 5Grasp 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 1-58, and slide it completely out of the chassis.
Step 6If 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.
63031 
INPUT
OKFA N
OKOUTPUT
FA I L
INPUT
OKFA N
OKOUTPUT
FAIL
Power supply 2
(redundant)
Power supply 1 
						

							1-77
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
Figure 1-57 AC-Input PEM (PEM-20A-AC+ Shown)
Figure 1-58 Handling a PEM
Captive installation screwsIEC 60320 C19 connector
AC power
switch130057
PEM-20A-AC+50-60 Hz 120-240V  15A
SUPERVISOR2 WS-X6K-SUP2-2GESTATUSSYSTEMCONSOLEPWR MGMTRESETC
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63301 
						

							1-78
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
Installing the AC-Input PEM
To install an AC-input PEM, follow these steps:
Step 1Ensure that the system (earth) ground connection has been made. 
For ground connection instructions, see the “Establishing the System Ground” section on page 1-52.
Step 2If 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. Retain the blank PEM filler plate for future use.
Step 3Grasp the PEM with one hand. Place your other hand underneath the PEM, as shown in Figure 1-58. 
Slide the PEM into the PEM bay. Make sure that the PEM is fully seated in the bay.
Step 4Tighten the PEM captive installation screws. (SeeFigure 1-57.)
Step 5Plug the power cord into the PEM. 
NoteSee Appendix A for a list of supported AC power cords.
Step 6Connect the other end of the power cord to an AC-input power source.
CautionIn 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 7Turn the power switch to the on (|) position on the PEM.
Removing the DC-Input PEM
WarningBefore performing any of the following procedures, ensure that power is removed from the 
DC circuit. Statement 1003
WarningHazardous voltage or energy is present on the backplane when the system is operating. Use 
caution when servicing. Statement 1034
WarningWhen installing or replacing the unit, the ground connection must always be made first and 
disconnected last. Statement 1046 
						

							1-79
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
To remove a DC-input PEM, follow these steps:
Step 1Verify that power is off to the DC circuit for the PEM that you are removing. As an added 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 2Loosen the two captive installation screws on the PEM. (See Figure 1-59.)
Step 3Slide the PEM part way out of the chassis so that you have access to the PEM terminal block screws. 
(See Figure 1-60.)
Step 4Disconnect the DC-input wires from the PEM terminal block in this order:
1.Positive (+)
2.Negative (–)
NoteIt is not necessary to disconnect the system ground connection.
Step 5Grasp the PEM with one hand, and place your other hand underneath the PEM, as shown in Figure 1-61, 
and slide the PEM completely out of the chassis. Set the PEM aside.
Step 6If 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 in place with the two captive installation screws. 
Figure 1-59 DC-Input PEM
Captive installation screws
Catalyst 6503 DC PEM
79980 
						

							1-80
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
Figure 1-60 DC-Input PEM Terminal Block Screws
Figure 1-61 Handling a DC-Input PEM
Installing the DC-Input PEM
WarningBefore performing any of the following procedures, ensure that power is removed from the 
DC circuit. Statement 1003 
WarningWhen installing or replacing the unit, the ground connection must always be made first and 
disconnected last. Statement 1046
SUPERVISOR2 WS-X6K-SUP2-2GESTATUSSYSTEMCONSOLEPWR MGMTRESETCO
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68154
DC PEM 1Cable clips
DC PEM 1
terminal block
screwsDC PEM 2
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68155 
						

							1-81
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing PEMs
To install a DC-input PEM, follow these steps:
Step 1Ensure that the system (earth) ground connection has been made. For ground connection installation 
instructions, see the “Establishing the System Ground” section on page 1-52.
Step 2Verify that power is off to the DC circuit for the PEM that you are installing. As an added 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 3Install the PEM partially into the chassis so that you still have access to the PEM terminal block screws. 
(See Figure 1-62.)
Figure 1-62 DC-Input PEM Terminal Block Screws
Step 4
Connect the DC-input wires to the terminal block in this order:
1.Negative (–)
2.Positive (+)
Step 5After ensuring that all wire connections are secure, install the PEM in the bay. 
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68154
DC PEM 1Cable clips
DC PEM 1
terminal block
screwsDC PEM 2 
						

							1-82
Catalyst 6500 Series Switches Installation Guide
OL-5781-08
Chapter 1      Removal and Replacement Procedures
  Removing and Installing the Fan Tray
Step 6Tighten the power supply captive installation screws. (SeeFigure 1-63.)
Figure 1-63 DC-Input PEM 
CautionIn 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 7Remove the safety flag, lockout devices, or tape from the circuit breaker switch handle, and restore 
power by moving the circuit breaker switch handle to the on (|) position.
Step 8Verify the power supply operation by ensuring that the power supply front panel LEDs are in the 
following states:
INPUT OK LED is green
FAN OK LED is green
OUTPUT FAIL LED is not lit
If the LEDs indicate a power problem, see the “Identifying Startup Problems” section on page A-3.
Removing and Installing the Fan Tray
This section describes how to remove and install fan trays for the Catalyst 6500 series switches.
NoteIf your Catalyst 6506, Catalyst 6509, or Catalyst 6509-NEB chassis is equipped with a Supervisor 
Engine 2 and you using the fan tray removal and replacement procedure to upgrade the chassis from a 
fan tray 1 (low-speed) to a fan tray 2 (high-speed), you must first check the chassis configuration using 
the hw-module fan-tray version 2 command to check for configuration problems, such as power supply 
compatibility and power sufficiency. If the system does not detect any configuration issues, a message 
is displayed saying that it is OK to change the fan trays. This command applies to Catalyst 6500 series 
switches that are configured with a Supervisor Engine 2 only. This command is not required in systems 
that are configured with either a Supervisor Engine 720 or a Supervisor Engine 32.
Required Tools
You might need a flat-blade or number 2 Phillips-head screwdriver to loosen or tighten the captive 
installation screws on the fan tray.
Captive installation screws
Catalyst 6503 DC PEM
79980