Hi dear,
The main boards that supportd by BBU3910 contain UMPTb2, LMPT, CNPUb, CNPU, LBBPd4, UBBPd4/d6, USCUb22, UPEU and so on.
tThe function of the port of these main boards as follows:
Board or module
| Port
| Quantity
| Connector
| Function
|
UMPTb2
| FE/GE0
| 1
| RJ45
| FE/GE electrical port
l If there is CNPUb, this port connect to FE/GE0 port of CNPUb.
l This port connects transmission network to core network as an S1 service port if there is not CNPUb.
|
FE/GE1
| 1
| SFP
| FE/GE optical port connecting transmission network to core network as an S1 service port.
|
USB
| 1
| USB
| Used for the software loading. This port also functions as a commissioning port.
l When the USB port used for the software loading, the security is ensured by encryption, and no user information is involved during the process.
l When the USB port functions as a commissioning port, ensure that an OM port has been enabled and the user has obtained required authorities for accessing the base station through the OM port before accessing the base station through the USB port.
|
CLK
| 1
| USB
| Port for clock signal outputs. The clock signals are used for testing.
|
E1/T1
| 1
| DB26 female connector
| Reserved in current version.
|
GPS
| 1
| SMA
| Connecting to the GPS antenna
|
CI
| 1
| SFP
| This port is reserved in current version.
|
LMPT
| SFP0
| 1
| SFP
| FE/GE electrical port
l This port is not used if there is CNPU.
l This port connects transmission device or gateway only in the Ethernet link aggregation or active/standby IP route scene if there is notCNPU,
|
SFP1
| 1
| SFP
| FE/GE optical port connecting transmission network to core network
|
FE/GE0
| 1
| RJ45
| FE/GE electrical port
l If there is CNPU, this port connect to FE/GE0 port of CNPU.
l This port connects transmission device or gateway only in the Ethernet link aggregation or active/standby IP route scene if there is not CNPU,
|
FE/GE1
| 1
| RJ45
| FE/GE electrical port connecting transmission network to core network
|
USB
| 1
| USB
| Software loading port. The security of the USB port is ensured by encryption, and no user information is involved during the process.
|
TST
| 1
| USB
| Testing port. This port is used for commissioning the base station rather than importing or exporting the base station configuration.
|
ETH
| 1
| RJ45
| Commissioning serial port. Before accessing the base station through the ETH port, ensure that an OM port has been opened and the user has obtained required authorities for accessing the base station through the OM port.
|
GPS
| 1
| SMA
| GPS port connecting to the GPS antenna.
|
CNPUb
| FE/GE0
| 1
| RJ45
| FE/GE electrical port. In the current version, this port is used to connect an FE/GE0 of UMPTb2 as an S1 service port.
|
FE/GE1
| 1
| SFP
| the port is reserved in current version.
|
USB
| 1
| USB
| Used for the software loading. This port also functions as a commissioning port.
|
CLK
| 1
| USB
| Receiving TOD signals and tests clock signals
|
E1/T1
| 1
| DB26
| Unused in current version.
|
GPS
| 1
| SMA
|
CI
| 1
| SFP
|
CNPU
| FE/GE0
| 1
| RJ45
| FE/GE electrical port. In the current version, this port is used to connect an FE/GE0 of LMPT as an S1 service port.
|
FE/GE1
| 1
| RJ45
| Unused in current version
|
SFP0
| 1
| SFP
|
SFP1
| 1
| SFP
|
USB
| 1
| USB
| Loading software
|
TST
| 1
| USB
| Testing port
|
ETH
| 1
| RJ45
| Commissioning serial port
|
GPS
| 1
| SMA
| Unused in the current version
|
LBBPd4
| CPRI
| 6
| SFP
| They are the data transmission ports connecting the BBU3910 to eRRU, and support the input and output of optical and electrical transmission signals.
|
HEI
| 1
| QSFP
| Reserved
|
UBBPd4/UBBPd6
| CPRI
| 6
| SFP
| They are the data transmission ports connecting the BBU3910 to eRRU, and support the input and output of optical and electrical transmission signals.
|
HEI
| 1
| QSFP
| Reserved
|
USCUb22
| GPS
| 1
| SMA
| Receiving the GPS and GLONASS clock signals
|
RGPS
| 1
| PCB welded wiring terminal
| The RGPS port is reserved, and it cannot receive RGPS signals.
|
TOD0
| 1
| RJ45
| Receives or transmits 1PPS+TOD signals.
|
TOD1
| 1
| RJ45
| Receives or transmits 1PPS+TOD signals, and receives TOD signals from the M1000.
|
BITS
| 1
| SMA
| Receives BITS clock signals, and supports adaptive input of 2.048 MHz and 10 MHz reference clock.
|
M-1PPS
| 1
| SMA
| Receives 1PPS signals from the M1000.
|
UPEU
| -48V
| 1
| 3V3
| Introducing -48 V DC power
|
EXT-ALM0
| 1
| RJ45
| Ports for Boolean signal inputs 0 to 7, connecting to external alarm devices.
|
EXT-ALM1
| 1
| RJ45
|
MON0
| 1
| RJ45
| Ports for RS485 signal input 0 to 1, connecting to external monitoring devices.
|
MON1
| 1
| RJ45
|
NOTE:
l SFP0 and FE/GE0 ports on theLMPT are used for one GE input. Therefore, they are not used simultaneously.
l SFP1 and FE/GE1 ports on theLMPT are used for another GE input. Therefore, they are not usedsimultaneously.
