It is the DC distribution unit or device. It serves for distributing the DC power needed for different power needed devices like RRU, EMUB, BBU and many more. DCDU-12B of Huawei consist of two input terminal blocks and 10 different ports for output. Each port or certain port is assign for its maximum output fuse current.
Pic: Two DCDC-12B installed for powering RRU
Huawei DCDU-12B have following features:
2.Output; -48v-30A in each slot compromising 10 slots
3.working environment: -40degree to +65degree
4.Operating elevation: 0-3000 meter.
Below DCDU-12B is labelled with rated for maximum fused current at 10 different ports.
Pic: Two DCDU-12B installed and showing rated Fused Current at each load/output
Due to its compact and light weight, low temperature working capability, fused protection and embedded installation: this PDU (Power Distribution Unit) is widely famous and is used in Telecom, BTS, Mobile, Electric Power, army, public securities,and many more places.