论文部分内容阅读
一、概述郑州新郑机场地空通信设备之一是德国R/S公司生产的八信道天线共用系统,它和意大利SITTI公司的内话系统相连,为区调和塔台提供服务。由于内话系统近期工作不稳定,为保证内话故障时地空通信的畅通,决定为区调南扇、北扇的主备频四个频点的VHF收发信机加装遥控盒,即在内话配线架上引接RX一对、TX一对、PIT、SO、24V、地八根线接入遥控盒,遥控盒使用GB409(02)型,收发信机其中三部为XU251型,一部为XU250型,连接图如图一。
I. Overview Zhengzhou Xinzheng airport air-ground communication equipment is one of Germany’s R / S company’s eight-channel antenna sharing system, which is connected with the Italian company SITTI company’s voice system for the district reconcile tower services. Due to the unstable working of the internal voice system in the near future, in order to ensure the smoothness of air-ground communication in the case of internal voice failure, it was decided to install a remote control box for the VHF transceiver at the four frequencies of the main frequency and the standby frequency of the southern sector, The internal distribution frame leads to a pair of RX, TX pair, PIT, SO, 24V, eight lines to access the remote control box, remote control box using GB409 (02) type, transceiver three XU251 type, a Ministry for the XU250 type, the connection diagram shown in Figure one.