BCU - Branch Control Unit
The Branch Control Unit BCU is installed inside the following equipment:
MD2010-CU Fire Detection Central Unit (Max 16 BCU)
MD2010-BR Expansion Module (Max 2 BCU)
This Unit is the interface between the Central Unit and the addressable devices connected to dedicated line named Branch, made by a 2–wire cable
Each Unit controls a Branch, and each branch contains up to 180 addressable devices.