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The BSC6900 platform is an important Network Element (NE) of Huawei Single RAN solution. It adopts the industry-leading multiple Radio Access Technologies (RATs), IP transmission mode, and modular design. In addition, it is integrated with the functions of the Radio Network Controller (RNC) and Base Station Controller (BSC), thus efficiently maintaining the trend of multi-RAT convergence in the mobile network. The BSC6900 operates as an integrated NE to access the GSM&UMTS network and integrates the functions of the GSM BSC and the UMTS RNC.
The BSC6900 software, running in the BSC6900 platform, is compatible with GSM and UMTS technologies. Nonetheless, one unique configuration and operation mode of the TOE, the BSC6900 software, is used. This mode belongs to the one obtained from the installation process. So, the configuration of the TOE according to the security features provided is always the same, independently of the technology used in operation (GSM or UMTS).
Functions of the FG2c Board
As an interface board, the FG2c board supports IP over Ethernet transmission.
The FG2c board performs the following functions:
- Provides twelve channels over FE ports or eight channels over FE ports and four channels over GE ports
- Provides the link aggregation function at the MAC layer
- Provides the routing-based backup and load sharing
- Supports the Abis, A, and Gb interfaces
- The FG2c board does not support the 10 Mbit/s or 100 Mbit/s half duplex mode.
- The FG2c board has two CPUs: CPU0 and CPU1. CPU0 mainly performs the management plane functions, such as board management, alarm reporting, traffic statistics reporting, as well as transmission port management and maintenance. CPU1 mainly performs the control plane functions, such as establishment and clearing of channels for data flows.
Panel of the FG2c Board
There are LEDs and ports on the panel of the FG2c board.
Figure 1 shows the panel of the FG2c board.
Figure 1 Panel of the FG2c board
LEDs on the FG2c Board
Among all the LEDs on the FG2c board, RUN, ALM, and ACT indicate the status of the FG2c board, and other LEDs indicate the status of Ethernet ports. There are two LEDs at each Ethernet port: LINK and ACT.
Table 1 describes the LEDs on the FG2c board.
Table 1 LEDs on the FG2c board
||ON for 1s and OFF for 1s
||The board is functional.
|ON for 0.125s and OFF for 0.125s
||The board is in loading state.
||There is power supply, but the board is faulty.
||There is no power supply, or the board is faulty.
||There is no alarm.
|ON or blinking
||There is a fault alarm.
||The board is in active mode.
||The board is in standby mode.
|LINK (at the Ethernet port)
||The link is well connected.
||The link is disconnected.
|ACT (at the Ethernet port)
||There is no data transmission over the Ethernet port.
||There is data transmission over the Ethernet port.
Ports on the FG2c Board
There are four 100/1000BASE-T ports and eight 100BASE-T ports on the FG2c board.
Table 1 describes the ports on the FG2c board.
Table 1 Ports on the FG2c board
||100M Ethernet ports, used to transmit 100M signals
||100M/1000M Ethernet ports, used to transmit 100/1000M signals
Technical Specifications of the FG2c Board
The technical specifications of the FG2c board consist of hardware specifications and specifications of the board processing capability. The hardware specifications consist of the dimensions, power supply, power consumption, weight, operating temperature, and relative humidity.
Table 1 describes the hardware specifications of the FG2c board.
Table 1 Hardware specifications of the FG2c board
||248 mm x 32.3mm x 395.4 mm
||Two inputs of -48 V DC working in active/standby mode. The backplane of the subrack is responsible for the power supply.
|Operating temperature (long-term)
||0°C to 45°C
|Operating temperature (short-term)
||-5°C to +55°C
|Relative humidity (long-term)
||5% to 85%
|Relative humidity (short-term)
||5% to 95%
Table 2 describes the specifications of the board processing capability.
Table 2 Specifications of the board processing capability
||Speech service in the CS domain
||Maximum payload throughput (physical layer)