E/R group acous to-optical alarm system is consisted of alarm column and alarmn relay box. Alarm column may be separated into three kinds:large light column, small light column and indication panel. Alarm signal may be indicated in alarm light column by corresponding symbol indicator light of international standard to general alarm, fire alarm, Co2 release, telephone call, telegraph and machinery alarm column etc. And they may be distinguished from large alarm column by different tonality of horn and rotating light, and make a sound in the small alarm light column and indication panel, for catch persons atention.
机舱组合声光报警系统由报警控制箱二大部分组成，报警灯柱以可分成大型灯柱，小型灯柱，指示灯板三种，机舱内的通用紧急报警，火警，CO2施放，电话呼叫，车钟，机器故障等报警信号可在报警灯柱上用相应国际标准符号的指示灯一一显示；并还可在大型报警灯板上可发妯音响，以引起船员足够重视。
The fixed telephone service is global and the interconnection varies from coaxial cable to optical fiber and satellite.
固定电话业务是全球性的，系统的相互采用不同的方式由同轴电缆到光纤和卫星。
With the development of communication industry, many communication systems have been rapidly developed, for example, the satellite communication and optical communication in the microwave communication system field, special telephone in the mobile communication system, digital wireless telephone and special communication network system, and so on.
随着通讯产业的不断发展，例如微波通信系统的卫星通信和光通信，移动通信系统的专用电话，数字无绳电话和专业通信网系统，都获得了迅猛的发展。
Is a company engaged in monitoring of engineering design, monitoring transmission equipment development, production, sales and integration of high-tech enterprise main products have video interference eliminator, RS485 Extender series, a telephone line, leaking Alarm series, Optical and light fittings.
北京明扬石拓科技有限公司是一家从事监控工程设计，监控传输设备开发，生产，销售与一体的高科技企业主要产品有视频干扰消除器，RS485扩展器系列，电话报警系列，漏水报警系列，光端机及光配件系列。
The total length of long-distance optical cable installed increased by 27, 000 sheath km, that of digital micro-wave links by 14, 400 km, and the number of telephone lines by 19.61 million.
邮电通信是基础设施中增长最快，变化最大的领域：新增长途光缆 27，000 皮长公里，数字微波干线 14，400 公里，电话交换机容量 1，961 万门；移动通讯已成为世界上覆盖范围最广的移动电话网之一，用户达到 1，323 万。
I do want to emphasize that I'm fully aware that the mobile telephone access to the Internet is less rich in terms of bandwidth than what you typically get from an optical fiber or cable modem.
我想强调的是，我充分认识到，移动电话进入互联网不太丰富的带宽比你通常从光纤或电缆调制解调器。
Jiangmen one after another has now putthrough Buddha to open, 开阳, west the coast, to be new, in JiangHe, the river, 江珠 and Jiang Zhao and so on the highway, thepassengers and cargo transportation service passable traveler freighttransportation wharf goes directly to Hong Kong, Aomen and thedomestic major and medium city; The communication convenience isquick, take the optical fiber, the digital electric wave, the electriccable has covered the entire island as the skeleton main bodycommunication network, program control service convenience and so ondirect-dial telephone, Internet and special delivery, can relate asnecessary domestic and foreign; In island water and electricity supplysufficient, diet entertainment facility prepared, organization and soon hotel, small-unit residential area, hospital, school, bank, security, tax affairs is complete; The Jiangmen high-levelprofessional technology institute settles down the moist company, mayprovide each kind of talented person and technical training for theenterpris
江门现时已陆续接通佛开、开阳、西部沿海、新台、江鹤、江中、江珠和江肇等高速公路，客货运输业务可通过客货运码头直达香港、澳门和国内大中城市；通讯方便快捷，以光纤、数字电波、电缆为骨架的主体通讯网络已覆盖全岛，程控直拨电话、互联网和特快专递等服务方便，能随时联系国内外；岛内水电供应充足，饮食娱乐设施齐备，酒店、生活小区、医院、学校、银行、保安、税务等机构齐全；江门高级职业技术学院落户潮连，可为企业提供各类人才和技术培训。这里专家的回答会让您满意
Electronic mail: A method of sending data from one place to another, anywhere in the world, using telephone wires, radio waves, optical fibre cable or satellite.
电子邮件：把数据从一地点经电话线、无线电波、光学纤维或卫星送往地球上任何地点的方法。
Application: For delivering wire, cable, telephone cable, optical fiber cable, stay cable and steel rope, especially for export.
用途：供电线、电缆、话缆、光缆、钢缆、钢索包装交货及线缆出口包装交货用。
With respect to the remark of Bao Lan Line, some problems on connection of railroad special telephone with optical fiber communication system are explored in this paper.
介绍了包兰线铁路专用电话与光传输系统组网中的若干问题及解决方法。
Suitable for TV, telephone and data signal distant optical transmission;
适用于电视信号、电话语音和数据信号的远距离光纤传输；
Our company was founded in 1996, is a sale of communications equipment and cable businesses, the company's main products include: Optical series; protocol converter series; optical transceiver; light MODEN; cable boxes and follow-up; telephone cable and a variety of fiber optic cable and related equipment; optical fiber, digital, audio patch panel equipment; photoelectric transfer me; fiber-optic connectors and adapters; photoelectric series products; light, digital measurement instruments, gauges and maintenance; Shrinkable Tube; optical passive device series; crystal top range of communications products.
我公司成立于1996年，是一家销售通信设备及线缆的企业，公司主营产品包括：光端机系列；协议转换器系列；光纤收发器；光MODEN；光缆接续盒及终端盒；市话电缆及各种光缆及相关器材设备；光纤、数字、音频配线架设备系列；光电交接箱；光纤连接器及适配器；光电系列产品；光、数字测量仪器、仪表及维修；热缩管；光无源器件系列；水晶头等一系列通信产品。
The communication extension sends all data to monitor computer which on the floor by optical fiber network or telephone line.
通讯分机将检测分站采集到的数据通过光纤网络或者电话线传送到地面监控计算机。
But transmission with electrical signal can use the existing telephone network, wired television network, electric power network, the cost is much lower than the cost of reconstructing optical fiber network.
但电信号的传输可以应用现有的电话网、有线电视网、电力网，比重新架设光纤节省成本；