Ericsson bbu category illustration — Illustration

DUS 31 01

Name: Ericsson DUS 31 01
Brand: Ericsson

What it does: Baseband processing. Technologies: LTE; NB-IoT.

2 part numbers: KDU 137 624/3 / KDU137624/3

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Main specifications

TechnologiesLTE; NB-IoT

Additional technical information

Family: PN KDU137624 / 3; RBS 6000 Digital Unit
For PN KDU137624 / 3.
Installation environment: PN KDU137624/3; Installed as a Digital Unit in an RBS 6000 system; model/revision-specific compatible RBS and software restrictions apply
For PN KDU137624/3.
Dimensions: PN KDU137624/3; 350 × 31 × 280 mm (H × W × D)
For PN KDU137624/3.
Interfaces / connectors: PN KDU137624/3; ET20 A −48 V DC; RJ-45 GPS/EC/LMT/TN A; SFP TN B and TN C; SFP+ COMP; HSIO IDL; 6 × SFP/SFP+ radio interfaces
For PN KDU137624/3.
Weight: PN KDU137624/3; <3 kg
For PN KDU137624/3.
Interfaces and data rates: PN KDU137624/3; 6 radio interfaces and optical/electrical Ethernet transport; CPRI 2.5/5/10 Gbps depending on Software Package and Radio Unit type; Inter DU Link; GPS, enclosure-control and maintenance interfaces
For PN KDU137624/3.
Power supply: PN KDU137624/3; −48 V DC via ET20 A; when powered from an 8U Baseband source, the source port must provide at least 10 ms hold-up
For PN KDU137624/3.
Synchronization: PN KDU137624/3; Timing function with external GPS interface on RJ-45
For PN KDU137624/3.
Chassis: PN KDU137624/3; Self-contained warranty-sealed DUS 31 01 enclosure
For PN KDU137624/3.
Modules: PN KDU137624/3; Pluggable SFP/SFP+ optical modules; SFP+ is required for CPRI above 2.5 Gbps
For PN KDU137624/3.
Functional role: PN KDU137624/3; LTE digital/baseband unit providing switching, traffic management, timing, UL/DL baseband processing, transmission handling and radio interfacing
For PN KDU137624/3.
Architecture: PN KDU137624/3; Integrated sealed Digital Unit with processing, transmission, baseband, radio-interface and timing functional blocks; six external radio interfaces
For PN KDU137624/3.
Subtype: PN KDU137624/3; DUS 31 01 LTE Digital Unit
For PN KDU137624/3.
Details: PN KDU137624/3; R1B/R1C only in RBS 6601; R2A and earlier require the stated LTE software when installed in RBS 6101/6102/6201/6202/6301; from R3A it can be a secondary DU; laptop autointegration supported.
For PN KDU137624/3.
Installation conditions: Digital section RBS 6000
Connection notes: RU/RRU; Ethernet-transport; adjacent DU (IDL)