3-8
Cisco 2900 and 3900 Series Hardware Installation
OL-18712-01
Chapter 3 Installing and Connecting the Router
Installing the Router
Figure 3-7
Bracket Installation for Center-Back Mounting
Attaching Rack-Mount Brackets to Cisco 3900 Series Routers
Attach the mounting brackets to the router chassis as shown in
Figure 3-8
through
Figure 3-11
, using the
screws provided.
Caution
Do not over torque the screws. The recommended torque is 8 to 10 inch-lb (0.9 to 1.12 N-m).
Attach the second bracket to the opposite side of the chassis. Use a number-2 Phillips screwdriver to
install the number-6 bracket screws.
Caution
Your chassis installation must allow unrestricted airflow for chassis cooling.
Figure 3-8
Bracket Installation for Front Mounting
1
23-inch SBC brackets
2
19-inch EIA brackets
DO NO
T REMO
VE DURING
NETWORK OPERA
TION
DO NO
T REMO
VE DURING
NETWORK OPERA
TION
250913
1
2
1
2
1
23-inch EIA brackets
2
19-inch EIA brackets
250923
SYS
ACT
SYS
PWR1
AUX
PWR1
SYS
PWR2
AUX
PWR2
Cisco
3900 Ser
ies
1
2
1
2