Cisco Catalyst 2960-L Getting Started Manual page 12

Installing the Switch
Mounting an 8-Port or 16-Port Switch in a Rack
Step 1 Use the four Number-12 or Number-10 Phillips machine screws to attach the brackets to the rack.
Step 2 Use the black Phillips machine screw to attach the cable guide to the left or right bracket.
Figure 7: Mounting an 8-Port or 16-Port Switch in a Rack with 19-Inch and 23-Inch Brackets
1 19-inch rack-mounting bracket
2 Number-12 or Number-10 Phillips machine
screws
Cisco Catalyst 2960-L Switch Getting Started Guide
12
3 23-inch rack-mounting bracket
Getting Started with the Switch