The Ericsson KDU 137 847/11 is the Baseband 6620 (BB 6620) unit used in Ericsson mobile radio access network equipment. It is a 1U indoor baseband processing unit designed to process and distribute baseband signals between the radio units (RRUs) and the transport/network side.
Multiple equipment references identify KDU 137 847/11 specifically as Ericsson Baseband 6620. Ericsson equipment lists also identify KDU137847/11 as BB6620.
The BB 6620 is a multistandard baseband platform supporting GSM, WCDMA and LTE and can be deployed as part of a modular system with external Radio Remote Units
Key Features
- Manufacturer: Ericsson
- Part Number: KDU 137 847/11
- Product: Baseband 6620
- Product Type: Mobile Network Baseband Unit
- Model: BB 6620
- Form Factor: 1U, 19-inch rack-mount
- Technology: Mobile RAN / Baseband Processing
- Supported Standards: GSM, WCDMA and LTE
- Radio Interface: CPRI
- Supported CPRI Rates: 2.5, 4.9, 9.8 and 10.1 Gbps
- Power: -48 VDC nominal
- Typical Consumption: 90 W
- Maximum Consumption: 140 W
Technical Specifications
- Height: 44.45 mm (1U)
- Width: 483 mm (19-inch rack)
- Depth: 350 mm
- Weight: Less than 6.5 kg
- Nominal Input Voltage: -48 VDC
- Operating Voltage: -38 to -58.5 VDC
- Non-destructive Voltage: 0 to -60 V
- Typical Power Consumption: 90 W
- Maximum Power Consumption: 140 W
- CPRI / Radio Interface Rates: 2.5 / 4.9 / 9.8 / 10.1 Gbps
- Dual Baseband Support: No
- Application: Baseband processing and radio interface connectivity
- Associated Fan Unit: Ericsson BKV 106 217/1 can be fitted with the Baseband 6620
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