Hardware components and installation

AAU and Baseband Installation

Hardware installation follows a strict sequence to ensure safety and proper operation. AAU mounting: each Active Antenna Unit is secured to the mounting frame at the planned azimuth and mechanical tilt using manufacturer-specified brackets. Torque all bolts to specification and verify weather sealing. BBU/DU installation: the Baseband Unit (4G) or Distributed Unit (5G) is mounted in the equipment cabinet — rack-mounted in indoor shelters or wall-mounted in outdoor enclosures. Connect DU to AAU via fiber fronthaul cables (typically 25G SFP28 modules). For CU-DU split architectures, the…