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Hardware Structure. All rights reserved. Upon completion of this course, you will be able to:. System Components. Signal Processing. Antenna and Feeder System. Typical Configuration. Um Interface. MS: Mobile Station. AUC: Authentication Center. VM: Voice Mailbox. Features and Functions. A single cabinet can support up to 12 carriers. It can smoothly evolve into. Hardware structure. Abis Interface. BTS Cabinet and Boards. Double Transceiver Unit. FAN Box. NodeB Fan Controlling and monitoring Board.
Common Subsystem. Functions of DTMU. Two routes are lightning arrester failure alarm detection. Structure of DTMU. Subrack number and clock. Indicators on DTMU. Slow flash 0. OML is blocked. Fast flash at uncertain intervals. BSC data loading. Power failure of the board. Indicates the. Fast flash 4 Hz. Fast flash 1 Hz. Indicates the transmission status of E1 port 1 and. Indicates the transmission status of E1 port 2 and port 6. Indicates the transmission status of E1 port 3 and port 7.
Indicates the transmission status of E1 port 4 and port 8. Indicates handover status of E1. Alarm indicators. No hardware alarm. Hardware alarm. Interface on the DTMU panel. SMB female. Outputs reference testing clock. Near end maintenance network port.
Functions of DEMU. The DEMU is an optional module. There is maximum one DEMU under full configuration. Monitor signal. Functions of DCSU. DCSU is placed in slot 5 of the common subrack, which is located in the lower part of the cabinet.
There is only one DCSU and it is. The interfaces on the DCSU panel. MD64 female. For cable output from the combined cabinet. For cable input to the combined cabinet. Connecting to the DTRB through cables. Connecting to the cabinet top subrack. DB26 female. Switch of DCSU. Functions of DCCU. There is. The interfaces on the DCCU panel. For E1 signal input. Connects to the fan panel through cables. Connects to the cabinet top subrack through cables. For power input of the common unit. Functions of DATU.
It is optional and there are maximum two DATUs. CBUS3 for control and alarm report. Cabinet Top Access Subsystem. Function of DMLC. Function of DELC. Function of DSAC. There is only one DSAC and it is mandatory. Double transceiver subsystem. Functions of DTRU. Converts the basband signals on the two.
TRXs to the RF signals. Supports up-frequency conversion of the signals. Filters, amplifies, and outputs the combined signals. Devides and modulates the RF signals on the. Supports transmit receive and RF frequency hopping. Processes signals. Supports coding and.
Supports voice fax services. Supports transmit diversity and 4-way receive diversity. Amplifies the output power. Functional structure of DTRU. Indicators on DTRU. Indicates the running. There is power supply or the board is faulty. There is no power supply and the board is faulty. The board is starting. The board is running. Fast flash 2. The DTMU is sending configuraiton parameters to the. Indicates the TRX is working.
Hardware Structure. All rights reserved. Upon completion of this course, you will be able to:. System Components. Signal Processing.
One of the most compact indoor macro base stations in the industry, it features large, scalable capacity in a small footprint, and multiple-mode applications that meet the requirements of long-distance railways. The base station cabinet contains a maximum of six RF modules. Distributed base stations at the same sites reduce site deployment costs and customer investment. Original Huawei Carton Package. As customers' requirement. View larger image.
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