Alcatel-Lucent 3EC16687AA AACU-C Alarm Control Unit HD ACU Module is a replacement hardware module for the 7300 ASAM family, designated as the AACU-C alarm control unit within the shelf. In 7300 ASAM catalogs and refurbisher listings, the part is identified as 3EC16687AA and is commonly labeled AACU-C, confirming its role as the system’s dedicated alarm controller. This module handles alarm signaling and status reporting within the 7300 ASAM platform in service-provider deployments that rely on the 7300 series, making it a targeted spare part for maintaining alarm management across the Alcatel-Lucent access/telecom architecture.
