Cisco 6509 - Catalyst Chassis Switch Installation Manual page 190

Removing and Installing the DC-Input Power Supplies
Figure 4-39 DC-Input Wire Connections for 4000 W Operation (Right-Side Power Bay)
Terminal
block cover
( ) Ground
Power
switch
Step 12 Using the cable tie provided, place the cable tie through the slot at the top of the right terminal block
cover, and secure the wiring going to the left terminal block.
Step 13 Position and secure the left and right inner terminal block covers.
Secure the outer block cover.
Step 14
Note
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. Statement 1046
To prevent a short circuit or shock hazard after wiring the DC-input power supply, reinstall the terminal
Caution
block covers.
Step 15 After you confirm that all installation steps are completed correctly, remove any safety flags, lockout
devices, or adhesive tape from the source DC circuit breakers, and energize the input circuits to the
power supplies.
Catalyst 6500 Series Switches Installation Guide
4-50
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
Plastic
insulator
I
0
1
Captive
installation
screw
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), and all
three pairs of input wires for the other 4000 W DC-input power supply must come from another
battery system (B feed).
Plastic
Terminal
insulator
block cover
INP UT OK
FAN
OUT PUT
2
3
OK
FAIL
( ) Ground
Chapter 4 Removal and Replacement Procedures
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
OL-5781-04