Product Name Ericsson DUS 4102 Part Number DUS 4102 Manufacturer ERICSSON Application BTS Condition New ERICSSON DUS 4101/DUS 4102 /5212 /5216 BBU Ericsson DUS 4102 / DUS 4101 / 5212 / 5216 BBBBU ERICSSON DUS 4101 / DUS 4102 / 5212 / 5216 BBU The Control Unit, often part of the BBU, manages and controls the operation of the base station. It handles tasks such as system configuration, software management, performance monitoring, fault detection, and alarm handling. The KDU is an interface module used for interacting with and configuring the base station. It typically consists of an LCD display, a keypad, and navigation buttons, allowing operators to input commands, view system information, and monitor the network's status.