BBU–RRU
EN
Huawei board category illustration
Illustration
Huawei

GTMUb

What it does: GSM station control. Interfaces and data rates: 4 × E1/T1 TDM/IP; FE optical 100 Mbit/s; FE electrical 10/100 Mbit/s; 6 × CPRI 1.25/2.5 Gbit/s.

2 part numbers: 03030LPM / 03030LPM=

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Main specifications

FamilyBBU3900; BBU3910
SlotsBBU3900, GSM GBTS/eGBTS: 6
CapacityLegacyOM: 126 carriers (TDM), 60 (IP over FE), 48 (IP over E1); SingleOM: 24 carriers
SynchronizationUSB TST — clock signal test output; IEEE 1588v2 and SyncE via Abis with distribution via backplane with appropriate configuration GBTS/eGBTS; SyncE — frequency synchronization only
ChassisBBU3900; BBU3910
ModulesModules SFP for 6 ports CPRI
Functional roleConfiguration management, resources and signaling BBU; transport interfaces
Interfaces / connectorsDB26 E1/T1; RJ45 FE0; DLC FE1; RJ45 ETH; 6 × SFP CPRI; SFP EXT (reserved); USB TST; USB
Interfaces and data rates4 × E1/T1 TDM/IP; FE optical 100 Mbit/s; FE electrical 10/100 Mbit/s; 6 × CPRI 1.25/2.5 Gbit/s
Power supply+12 V DC from backplane when installed in BBU3900 s UPEUa/UPEUc/UPEUd
Additional technical information
Installation environment
In a BBU3900 / BBU3910 slot
Technologies
GSM
Architecture
Replaceable GSM-board: CPRI, transport Abis, signaling, O&M, switching, synchronization and monitoring; connection via backplane
Subtype
Main processing and transmission board GTMUb
Details
In co-MPT with UMPT operates only as an interface board CPRI to radio modules
Connection notes
Radio units via CPRI; transport network via FE/E1/T1

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