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    • 1. 发明申请
    • TRANSMISSION APPARATUS, TRANSMISSION SYSTEM AND FAILURE DETECTION METHOD
    • 传输装置,传输系统和故障检测方法
    • US20110058807A1
    • 2011-03-10
    • US12796927
    • 2010-06-09
    • Rei SUZUKIToshiyuki ATSUMIKoji TAKATORIKazutaka SAKAI
    • Rei SUZUKIToshiyuki ATSUMIKoji TAKATORIKazutaka SAKAI
    • H04B10/08
    • H04L12/40045
    • To detect a transmission path cut-off or deterioration depending on the presence or absence of receiving a packet signal at a fixed time interval without transferring an OAM packet. At a transmitting side, a conversion section periodically sends a main signal without including a maintenance operation signal packet. At a receiving side, a transmission path failure detection device judges that a transmission path failure is detected if it is determined that the next main signal is not received for a preset time after receiving the main signal. An OAM processing section detects a state where the main signal is not transmitted to the opposed transmission apparatus or an idle state, based on the detection of the transmission path failure by the transmission path failure detection device, and sends a maintenance operation signal for notifying the transmission path failure to the opposed transmission apparatus when in the idle state.
    • 根据存在或不存在以固定时间间隔接收分组信号而不传输OAM分组来检测传输路径切断或劣化。 在发送侧,转换部周期性地发送主信号而不包括维护操作信号分组。 在接收侧,如果在接收到主信号之后确定在预设时间内未接收到下一个主信号,则传输路径故障检测装置判断检测到传输路径故障。 基于由传输路径故障检测装置的传输路径故障的检测,OAM处理部分检测主信号不发送到相对传输装置或空闲状态的状态,并发送维护操作信号,以通知 当处于空闲状态时,相对的传输装置的传输路径故障。
    • 3. 发明授权
    • Optical cross connect apparatus and network
    • 光交叉设备和网络
    • US07756045B2
    • 2010-07-13
    • US12212888
    • 2008-09-18
    • Toshiyuki AtsumiMasatoshi ShibasakiTeruhisa Takano
    • Toshiyuki AtsumiMasatoshi ShibasakiTeruhisa Takano
    • H04L1/00
    • H04J3/12H04J3/085H04J3/1617H04J14/0227H04J14/0241H04J14/0283H04L41/08H04L41/12
    • An optical signal connection apparatus comprising a first node and a second node connects first and second optical signal transmission lines to respective first and second routers. The first node includes a first port coupled to the first router via the first optical signal transmission line, and is configured to handle a first type of optical signals associated with the first router. The second node includes a second port coupled to the second router via the second optical signal transmission line, and is configured to handle a second type of optical signals associated with the second router. The information regarding the first type of optical signal is compared with information regarding the second type of optical signal to determine whether or not the first and second optical signal transmission lines are compatible to each other.
    • 包括第一节点和第二节点的光信号连接装置将第一和第二光信号传输线连接到相应的第一和第二路由器。 第一节点包括经由第一光信号传输线耦合到第一路由器的第一端口,并且被配置为处理与第一路由器相关联的第一类型的光信号。 第二节点包括经由第二光信号传输线耦合到第二路由器的第二端口,并且被配置为处理与第二路由器相关联的第二类型的光信号。 将关于第一类型的光信号的信息与关于第二类型的光信号的信息进行比较,以确定第一和第二光信号传输线是否彼此兼容。
    • 7. 发明授权
    • Optical cross connect apparatus and network
    • 光交叉设备和网络
    • US07433371B2
    • 2008-10-07
    • US11043389
    • 2005-01-24
    • Toshiyuki AtsumiMasatoshi ShibasakiTeruhisa Takano
    • Toshiyuki AtsumiMasatoshi ShibasakiTeruhisa Takano
    • H04J3/00
    • H04J3/12H04J3/085H04J3/1617H04J14/0227H04J14/0241H04J14/0283H04L41/08H04L41/12
    • An optical signal connection apparatus includes first and second routers configured to handle optical signals and electrical signals. A first node includes a first port coupled to the first router and is configured to handle a first type of optical signals associated with the first route; a first line-setting unit configured to couple the first and second nodes for data communication between the first and second nodes; a first control unit to control setting an optical communication link between the first and second nodes; and a first signal-type storage unit. A second node includes a second port coupled to the second router and configured to handle a second type of optical signals, wherein the first information is compared with second information on the second type of optical signal to determine whether the first and second communication links are compatible to each other.
    • 光信号连接装置包括配置成处理光信号和电信号的第一和第二路由器。 第一节点包括耦合到第一路由器的第一端口,并且被配置为处理与第一路由相关联的第一类型的光信号; 第一线路设置单元,被配置为耦合第一和第二节点,用于在第一和第二节点之间进行数据通信; 第一控制单元,用于控制设置第一和第二节点之间的光通信链路; 和第一信号型存储单元。 第二节点包括耦合到第二路由器并被配置为处理第二类型的光信号的第二端口,其中将第一信息与第二类型的光信号的第二信息进行比较,以确定第一和第二通信链路是否兼容 对彼此。