Cisco 6509 - Catalyst Chassis Switch Installation Manual page 163

Chapter 4 Removal and Replacement Procedures
Attach the appropriate lugs to the DC-input wires. The maximum width of a lug is 0.300 inch (7.6 mm).
Step 7
Note
Connect the DC-input wires to the terminal block (see
Step 8
Figure 4-17
Ground
1.
Negative (–)
2.
Positive (+)
3.
Note
After ensuring that all wire connections are secure, reinstall the terminal block cover.
Step 9
To prevent a short circuit or shock hazard after wiring the DC-input power supply, you must reinstall the
Caution
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 should still be available.
Step 10 Remove any safety flag and lockout devices or any 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 on the power switch also
engages a pawl that locks the power supply in the chassis.
Verify the power supply operation by ensuring that the power supply front panel LEDs are in these states:
Step 12
• 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
OL-5781-04
The wire should be sized according to local and national installation requirements and electrical
codes. Use only copper wire. For North American installations of 2500 WDC-input power
supplies, use fine-stranded copper conductors rated for 90°C.
for the 2500 W DC power supply) in this order:
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.
Removing and Installing the DC-Input Power Supplies
Figure 4-16 for the 1300 W DC power supply or
"Identifying Startup Problems" section on page
Catalyst 6500 Series Switches Installation Guide
E-3.
4-23