2. Install two floating nuts on each side of the rack. The AR150/200 chassis is 1 U high. The
mounting holes located on the rack-mounting brackets will be fixed to two mounting holes
on the rack.
Floating nut 
mounting bar
3. Raise and hold the chassis by hands and move the chassis into the cabinet. Insert the panel
screws into the below floating nuts and keep a 2 mm space between the screws and mounting
bar. Insert the rack-mounting ear pre-installation holes into the space. Fix panel screws into
two floating nuts and keep 2 mm space between the screw and mounting rail. Raise and
hold the chassis and move the chassis into the cabinet or rack, and place mounting holes
of rack-mounting brackets into the space between the floating nut and panel screw.
4. Hold the chassis with one hand while using the other hand to secure the lower panel screw
and then the upper one with a screwdriver.
Huawei AR150&200 Series Enterprise Routers
Quick Start Guide 2 Product Installation
Issue 03 (2012-06-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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