Huawei RRU3269 Installation Manual page 30

RRU3269
Installation Guide
If an RRU is installed on the bitumen ground, the RRU must be at least 500 mm (700 mm or
more is recommended) away from the bitumen ground. The following describes the space
requirements for installing a single RRU on the non-bitumen ground.
Clearance for a Single RRU in Side-Mounted Mode
Figure 3-21 shows the clearance for a single RRU in side-mounted mode.
Issue Draft B (2018-05-15)
 The recommended clearances ensure normal running and provide appropriate space for operation
and maintenance (O&M). If the installation space is sufficient, leave the recommended clearances
after installing the equipment.

The minimum clearance ensures normal running and heat dissipation, but O&M activities such as
checking indicator status and opening the cabling cavity cannot be properly conducted. If the
installation space is restricted, leave the minimum clearance after installing the equipment.
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