BBU–RRU
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Huawei board category illustration
Illustration
Huawei

LMPT

What it does: LTE station control. Interfaces and data rates: 2 × GE combo (is selected on each channel RJ45 10/100/1000 Mbit/s or SFP 100/1000 Mbit/s); GPS.

1 part number: 03020MLG=

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Main specifications

FamilyBBU3900
SlotsBBU3900, LTE FDD: 7 > 6
CapacityLTE FDD: 216000 BHCA; LTE TDD: 180000 BHCA (smart-device traffic); RRC Connected UE: 5400 (datacard traffic) / 1200 (smart-device traffic)
SynchronizationSystem clock signal; GPS via SMA; USB TST — synchronization test output; IEEE 1588v2 and SyncE via S1 with distribution via backplane with appropriate configuration eNodeB; SyncE — frequency synchronization only
ChassisBBU3900
ModulesIntegrated functional switching blocks, synchronization and monitoring; optical SFP
Functional roleConfiguration management, resources and signaling BBU; transport interfaces
Interfaces / connectors2 × RJ45 FE/GE; 2 × SFP; SMA GPS; RJ45 ETH; USB TST; USB
Interfaces and data rates2 × GE combo (is selected on each channel RJ45 10/100/1000 Mbit/s or SFP 100/1000 Mbit/s); GPS
Power supply+12 V DC from backplane when installed in BBU3900 s UPEUa/UPEUc/UPEUd
Additional technical information
Installation environment
In a BBU3900 slot
Technologies
LTE FDD/TDD
Architecture
Field-replaceable board BBU: transport S1, transport protocol and signaling processing, O&M, switching, synchronization and monitoring; connection to backplane
Subtype
Main processing and transmission board LMPT
Details
2 combined GE-channel: selected for each SFP or RJ45; USB-software loading, local maintenance LMT/U2000; USB can be disabled via commands
Connection notes
Transport network; GPS-antenna

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