Cisco 4000 Series Hardware Installation Manual page 78

Install the Router
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Attach the mounting brackets to the router chassis as shown in
Step 1
screws provided.
Do not over-torque the screws. The recommended torque is 15 to 18 inch-lb (1.7 to 2.0 N-m).
Caution
Attach the second bracket to the opposite side of the chassis. Use a number-2 Phillips screwdriver to
install the number-8 bracket screws.
Your chassis installation must allow unrestricted airflow for chassis cooling.
Caution
Figure 3-2 Bracket Installation for Front Mounting (Cisco 4451-X ISR shown)
1
1
1 23-inch SBC brackets
1. Southwestern Bell Corporation (SBC)
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
3-8
Center-back mounting: Brackets attached in the center back of the chassis with only the back panel
facing forward.
Front mounting: Brackets attached at the front of the chassis with the front panel facing forward.
Back mounting: Brackets attached at the back of the chassis with the back panel facing forward.
2
2 19-inch EIA brackets
Chapter 3 Install and Connect Cisco 4000 Series ISRs
Figure 3-2 through Figure
1
2
3-5, using the
OL-32185-02