BBU–RRU
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Ericsson

Baseband 6648

What it does: Baseband processing. Technologies: NR; LTE; NR + LTE Mixed Mode.

1 part number: KDU1370015/11

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Main specifications

FamilyBaseband 6648
TechnologiesNR; LTE; NR + LTE Mixed Mode
CapacityHardware-prepared: 10.000 users; NR+LTE mixed mode; maximum throughput DL 10-15 Gbps, UL 3 Gbps; band-processing capacity: high band 4800 MHz (3 sectors, 2 layers, 800 MHz carriers), mid band 9600 MHz (3 sectors/16 layers/200 MHz carriers or 6 sectors/16 layers/100 MHz carriers), low band 4800 MHz (20 MHz, 4T4R carriers)
SynchronizationRJ-45 SYNC interface for a GNSS receiver; synchronization over the transport network supported on TN/IDL
Chassis1U, 19-inch
Modules1 fan module; pluggable SFP/SFP+/SFP28 transceiver modules as required by interface rate
Functional roleSwitching, traffic management, timing, baseband processing, and radio interfacing
Interfaces and data rates12 × SFP/SFP+/SFP28 radio interfaces, all CPRI/eCPRI; CPRI 2.5/4.9/9.8/10.1/24.3 Gbps; eCPRI 10.3/25 Gbps; Ethernet 1/10/25 Gbps and 4 × 10/4 × 25 Gbps
Interfaces / connectors12 × SFP/SFP+/SFP28 radio interfaces; SFP/SFP+/SFP28 and RJ-45 transport/LMT/SYNC/alarm interfaces; −48 V DC power connector
Power supply−48 V DC (−38.0 to −58.5 V operating); ≈310 W typical, ≈340 W maximum with fan
Additional technical information
Installation environment
Indoor, temperature-controlled enclosed location; standalone in a 19-inch rack/enclosure or installed in an RBS
IP rating
IP20
Dimensions
44.45 × 483 × 352 mm (1U × 19-inch × depth)
Weight
≈ 7.5 kg
Architecture
Integrated 19-inch baseband unit with one fan module; twelve CPRI/eCPRI interfaces connect external radios
Subtype
Integrated 1U 19-inch baseband unit
Details
Integrated 1U hardware; air intake requires annual inspection/cleaning; normal temperature depends on hardware revision (general 0 to +55 °C, R2C/R2D 0 to +45 °C)
Installation conditions
19″ rack/cabinet or RBS
Connection notes
External AIR/RRU/Radio; IRU; IP-transport

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