Description
F8651X HIMA Processing board module
The NE Control Processing Board (NCP) is an intelligent management control processing unit embedded with a real-time multi-task operating system. It implements the synchronous device management function specified in TU-TG.783
And message communication functions. As the NE level monitoring center of the entire system, the NCP is connected to the subnet Management control center (SMCC) upward and each board management control unit (MCU) downward to receive and receive board monitoring information, and has real-time processing and communication capabilities. The NCP completes the initial configuration of the local NE, receives and analyzes the commands from the SMCC, delivers corresponding operation commands to each board through the communication interface, and forwards the messages reported by each board to the NMS. The NCP also controls the alarm output of the local NE and the alarm input of the monitoring external NE. The NCP can forcibly reset each board.
Hardware structure
1. The S interface
The S interface is used for communication between the NCP board and the system clock board, service board, optical board, cross board, and various electrical branch boards. The NCP board sends configuration commands to each board management control processor (MCU) through the S interface, and collects the performance and alarm information of each board. The S interface of ZXMP-S320NCP adopts TTL level UART master-slave multi-machine communication mode.
2. ECC channels
ECC is the communication channel between SDH nes. It uses DCC(D1 to D3 bytes) in the overhead of SDH segment as the physical i channel of ECC. The data link layer uses HDLC protocol and works in synchronous mode, with a communication rate of 192kbit/s.
3. Qx connection
Qx is a standard Ethernet interface that complies with 10Base-T/100Base-TX and TCP/IP. It is the communication interface between the NE and the subnet Management Control center (SMCC). The NCP can use Qx to report alarms and performance of the local NE and subnet to the SMCC, and receive commands from the SMCC to the local NE and subnet.
4. Port f
Port f is used by engineering maintenance personnel to communicate between an NE and a local management terminal (usually a portable machine). You can configure initial data for an NCP or connect to the monitoring terminal of a local NE through port f. f port meets the RS232 electrical features and the communication rate is 9600bit/s.
5. Board reset
NCP provides reset signals for all MCUS of the local NE. SMCC can reset MCUS through NCP hardware.
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