
Chapter 3 Power Supply and Fan Module Installation
Installing a DC Power Supply
Step 5 Use the ground screw to attach the 
Step 6 Using a ratcheting torque screwdriver, torque the 
Step 7 Connect the other end of the grounding wire to an appropriate grounding point at your site or to the rack.
Figure 3-10  Attaching the Ground Lug and Wire Assembly
1
CONSOLE

 AUX
 AUX
STACK 1
RESET
STACK 2
2
OLE

 AUX
 AUX
STACK 1
RESET
STACK 2
253161
1
2
Installing the DC Power Supply in the Switch
See the Installation Guidelines, page 3-5. 
Step 1 Turn off DC power. To ensure that power is off, change the circuit breakers to the OFF position, and tape the 
Step 2 Remove the plastic safety cover from the power supply terminal blocks (Figure 
Step 3 Use a 
Step 5 Insert the power supply in the 
| 
 | Catalyst  | 
