长途全自动市机配套安装及改造工程竣工

• 作 者: 陈菊铭
• 出 处: 四川邮电技术
• 发表日期: 1989年Z1期
• 关键词: 记发器 达县地区 自动拨号 多频 传号 月市 地区局 调测 经济发展

达县地区局长途全自动直拨电话,经过设计、筹料,市机HJ921型配套及改造工程于1989年5月中旬开始,工程在不中断通信和带电操作下进行,难度大、困难多、要求高。在施工人员和工程技术人员的密切配合下,未发生任何中断通信等事故,安装了长途出中继、记发器、多频共8架,改造了用户记发器72套,入中继记发器24套及出标等设备。长途人工入中继及半自动拨号由四位

Daxian district full automatic direct dial telephone, after design, preparation expected, the city machine HJ921-type supporting and renovation project began in mid-May 1989, the project without interruption in communication and live operation, difficult, more difficult high. In close cooperation with construction personnel and engineering technicians, there was no accident such as interrupting communications. There were 8 long-distance outgoing relays, time recorders and multi-frequency installed, and 72 sets of user loggers were retrofitted. Hair 24 sets and out of standard equipment. Long-distance manpower into the relay and semi-automatic dialing from four