从428XL地面设备的创新看地震网络数据传输技术的发展

Seeing development of seismic data network transmission technique from bringing fourth new ideas in 428XL ground equipment

地面排列设备是当代网络遥测地震仪器最基础、最关键的设备,而交叉站等又是地震仪器外线排列的关键设备。本文就428XL系统的交叉线、交叉站等地面排列设备在网络数据传输方面的创新进行了详细分析,指出428XL系统在传输性能和电路设计方面进行了重大改进,并从通讯协议、传输速率、采样率和FDU工作电压及线耗等几个方面针对428XL在数传技术方面的革新进行了分析对比。

The surface spread equipment is the most basic and key equipment of current network telemetry seismograph and cross-station is key equipment of cable spread of seismograph.The paper analyzed in detail the new ideas of surface spread equipments such as cross-cable and cross-station in aspect of data network transmission,pointed out the important improvement in aspects of transportation property and circuit design was made in 428XL system and carried out the analysis and correlation of innovation of data transmission in 428XL surface equipment from several aspects such as communication protocol,sampling rate,FDU work voltage and consumption on line.