Cisco 6509 - Catalyst Chassis Switch Installation Manual page 173

Chapter 4 Removal and Replacement Procedures
Remove the two screws securing the outer terminal block cover, and remove the cover from the power
Step 3
supply. (See
Remove the two screws securing the left inner terminal block cover, remove the cover, and set it aside.
Step 4
Remove one screw securing the right inner terminal block cover, remove the cover, and set it aside.
Note
Remove the plastic insulator from over the terminal area. (See
Step 5
Disconnect the DC-input wires from the terminal block in this order:
Step 6
Positive (+)
1.
Negative (-)
2.
Ground
3.
You must remove all DC-input wiring from both terminal blocks.
Note
Figure 4-25 DC-Input Wire Connections for 4000-W DC-Input Power Supply
(+) Positive
( - ) Negative
(+) Positive
( - ) Negative
OL-5781-04
Figure 4-24.)
You must remove three terminal block covers for the 4000 W DC-input power supply. The
left-side inner terminal block cover has two securing screws, and the right-side inner terminal
block cover has one securing screw.
You must remove DC-input wires from two terminal blocks for the 4000 W DC-input power
supply (if both terminal blocks are used).
Power leads
attached to
Plastic insulator terminal block
( ) Ground
Power
switch
Removing and Installing the DC-Input Power Supplies
Power leads
attached to
terminal block
(+) Positive
Plastic
( - ) Negative
insulator
I
0
INP UT OK
FAN OUT PUT
1
2
3 OK
Captive
installation
screw
Catalyst 6500 Series Switches Installation Guide
Figure 4-25.)
FAIL
( ) Ground
4-33