KDU137624/3
Ericsson DUS 31 01 KDU137624/3. Digital Unit / BBU for the Digital Units / Modules. Supported standards: GSM/EDGE, WCDMA, LTE/LTE-A and 5G NR depending on hardware, licenses and software release. Compatible radio/AAU families: Radio 2212/2217/2219/2238, Radio 4415/4428/44xx/66xx/88xx and AIR families subject to software and interface support. Required modules and boards: Processing unit is the listed BBU/DU/RAN Processor. Add Ethernet transport, CPRI/eCPRI optics, synchronization/GNSS where required, alarm interface and -48 V DC power distribution. Transport/fronthaul: SFP cages for CPRI; transport ports depend on the module. Power: Powered through Ericsson subrack/backplane from -48 V DC site supply. Installation: 19-inch rack or Ericsson cabinet/subrack. Verification status: Family-level; Standard rack installation; exact chassis hardware requires product manual.
| Product Type | Digital Unit / BBU |
|---|---|
| Platform / Generation | Digital Units / Modules |
| Priority | A — launch priority |
| Supported Standards | GSM/EDGE, WCDMA, LTE/LTE-A and 5G NR depending on hardware, licenses and software release |
| Compatible Radio / AAU Families | Radio 2212/2217/2219/2238, Radio 4415/4428/44xx/66xx/88xx and AIR families subject to software and interface support |
| Required Modules & Boards | Processing unit is the listed BBU/DU/RAN Processor. Add Ethernet transport, CPRI/eCPRI optics, synchronization/GNSS where required, alarm interface and -48 V DC power distribution. |
| Compatible Cabinet / Subrack | 19-inch telecom rack, Ericsson subrack/cabinet or compatible indoor/outdoor site enclosure |
| Transport / Fronthaul Interfaces | SFP cages for CPRI; transport ports depend on the module |
|---|---|
| Optical Form Factor | SFP / SFP+ / SFP28 depending on BBU/RAN Compute generation |
| Optical Speed / Interface | CPRI, eCPRI, GE/10GE/25GE |
| Optical Connector | LC duplex |
| Optical Reach | 300 m MMF; 10–40 km SMF depending on transceiver |
| Known Optical Part Numbers | Ericsson-approved optics for the selected RAN Compute/Baseband port and connected radio. |
| Power Supply | Powered through Ericsson subrack/backplane from -48 V DC site supply |
|---|---|
| Power Connector Type | Power through the board connector / subrack backplane; no separate external DC connector on the module |
| Required Power Cable | No separate cable to the module is required; power is supplied through a compatible Ericsson subrack |
| Power Consumption | Estimated maximum 180 W |
| Cooling / Airflow | Outdoor enclosure cooling; preserve all heat-sink and airflow clearances |
| Mounting / Rack | 19-inch rack or Ericsson cabinet/subrack |
| Rack / Form Factor | 19-inch or vendor-specific form factor; verify exact chassis |
| Required Mounting Hardware | 19-inch rack ears/rails or Ericsson shelf kit; exact hardware depends on Baseband/RAN Processor chassis |
| Cables & Connections | DC or AC input cable as specified; Ethernet backhaul; CPRI/eCPRI optical fiber to radios; grounding cable; alarm cable; GNSS/coax or PTP/SyncE synchronization connection; console/service cable |
| Synchronization / Management | RJ45 O&M; clock/synchronization and alarm interfaces depend on the module |
| Dimensions | 50 × 400 × 300 mm |
| Weight | 2.9 kg net |
| Operating Temperature | -5 to +55 °C (host-subrack dependent) |
| Data / Compatibility Status | Family-level; Standard rack installation; exact chassis hardware requires product manual |
|---|---|
| Region | Global / band-neutral |
| Representative Countries | All countries where the compatible vendor platform and connected radio units are deployed |
| Battery Information | No removable backup battery documented; External site battery backup. A board-level RTC backup component, if fitted, is revision-dependent and not publicly specified |
Frequency compatibility is shown separately from documented deployment or regulatory approval.
Each relation retains its evidence level. Family-level, platform-level and engineering-selection relations are not displayed as exact part-number compatibility.
Target part number(s): Exact rack-kit PN not confirmed publicly
Interface / role: Mechanical hosting
Conditions: Loaded mass, rack depth, cooling and power distribution must be checked
Target part number(s): Ericsson-approved optics for the selected RAN Compute/Baseband port and connected radio.
Interface / role: CPRI, eCPRI, GE/10GE/25GE
Conditions: Select optics and fiber for each radio link
Target part number(s): See individual radio part numbers in the category tables
Interface / role: Baseband processing and radio control
Conditions: Hardware generation, RAT, software, licenses and interface speed must match
Send the manufacturer, model, part number, quantity and destination country. Requests may include equipment not yet listed in the catalog.