• fiercetelecom | Posted: 22 Aug 2017, 09:58Ciena and Cisco are reaping the benefits as service providers shift spending from long haul to metro WDM (wave-division multiplexing) network builds.As a result of double-digit year-over-year North America growth in metro WDM, Cignal Al said in its second-quarter 2017 Optical Hardware Report that that Cisco and Ciena grew market share. The research firm said that Ciena’s North American optical equipment revenue increased by 21% year-over-year. Interestingly, the growth in metro WDM spending is creating greater demand for higher speed coherent ports, which are evolving from 200G to speeds as high as 400G later this year. Outside of North America, growth in China is notable as optical revenue rose 13% year-over-year for the first half ...
    2018 - 10 - 10
  • 发布日期: 2014 - 07 - 01
    Digital Public Address System including:The Main line Broadcast System, Depot /Parking Lot Broadcast SystemThe Main line Broadcast System includes Central Broadcast System and Station Broadcast System. The broadcast system is connected to Ethernet transmission network in control centers, stations, depots / parking lots, and realizes the dynamic exchange of all kinds of information through TCP/IP protocol.System Device Topological GraphPublic Address System can provide the following functions:Central Broadcast FunctionStation Broadcast FunctionAutomatic Inbound Broadcast Aut...
  • 发布日期: 2014 - 07 - 01
    The vehicle passenger information system adopts distributed PIS system. The main equipment include: driving cab broadcasting cabinet, passenger car broadcasting cabinet, broadcast control box, passenger emergency alarm box, terminal station LED display screen, dynamic map, loudspeaker and so on.Passenger Information System makes a flexible and diversified forms of broadcast model come true. It can help you with the following:Digital Auto - announceMaster/Slave Console SettingThe system has an Operating Control Center to broadcast on the train.The dialogue between the driver and the passenger (...
  • 发布日期: 2014 - 07 - 01
    The CCTV monitoring system is used to complete the real-time monitoring in the vehicle and store the monitoring video information files in the video server at the same time. It is mainly composed of 12 inch LCD touch display, 360 degree panoramic camera, and hard disk recorder.  Closed-Circuit Television System can provide the following functions:CameraVideo RecordingImage Label technologyStorage and Separation of Operating System and Video ImageSecurity of Network Image and Video RecordersVideo management software
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