Brocade Communications Systems NetIron MLXe Series Hardware Installation Manual page 133

7. Attach the air block bracket to the front of the EIA rack. Refer to the following figure.
FIGURE 58 Install the air block bracket
Brocade NetIron MLXe Series Hardware Installation Guide
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Mounting Brocade MLXe Series-4, -8, or -16 routers in a 4-post EIA rack
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