Procedure
Step 1 Attach the left (if not pre-installed) and right hinge brackets to the chassis using three screws (M4 thread) for
each bracket (see the below figure). Tighten the screws to a torque of 11 in-lb (1.20 N-m).
Figure 99: Optional Card Cage Door on the Front of the Cisco ASR 9912 Router
Hinge bracket2Card cage door1
Step 2 Align the exhaust air deflector at the top rear of the chassis above the fan trays (see the below figure), and
use a screwdriver to tighten the two screws, one on each side of the deflector.
Unpacking and Installing the Chassis
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Unpacking and Installing the Chassis
Installing Optional Chassis Accessories on the Cisco ASR 9912 Router