• 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
    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 (...
  • 1页次1/1首页Prev1Next尾页
    回到顶部
    扫描微信二维码
    Scan QR code
    Mailbox mofy@bhcom.in
    +86 0755-36615028 Customer service hotline
    +86 0755-86368383 Customer service hotline
    Any shopping problem contact our online service | Tel:0755-36615028 /0755-86368383| Operating hours:Monday to Friday 9:00-17:30
    电话:+86 0755-2955 6666
    传真:+86 0755-2788 8009
    邮编:330520
    Copyright ©2018 - 2023  SHENZHEN BEIHAICOMM Co., LtdSitemap
    犀牛云提供企业云服务
    X
    5

    电话号码管理

    1

    qq

    6

    二维码管理

    3

    SKYPE 设置

    4

    阿里旺旺设置

    等待加载动态数据...

    等待加载动态数据...

    等待加载动态数据...

    等待加载动态数据...

    展开