光纤术语

光传输Optical transmission交*连接Cross connect终端复用器TM Terminal multiplexer分插复用器ADM Add & drop multiplexer再生器REG Regenerator时钟板STG unit (synchronous timing generator)主控板SCC unit (system control and communication)公务板Order wire unit点到点Point-to-point光接口Optical interface电接口Electrical interface环回、穿通或交* Loopback, feed-through or cross connection 串并/并串转换Serial-parallel/parallel-serial conversion开销提取/合成Overhead extraction/synthesis虚容器Virtual container映射/解映射Mapping/demapping空分Space division线路单元与支路单元Line unit and tributary unit锁相Phase-lock定时基准Timing reference带电插拔Hot plug铃流Ringing current外同步模式External synchronization mode同步保持模式Synchronous holdover mode内部自由振荡模式Internal free-run mode指针调整Pointer justification抖动Jitter(抑制)漂移(suppress) wonder公务电话Order wire telephone以太网接口Ethernet interface二纤自愈环Two-fiber self-healing ring网元Network element (NE)同轴转接盒Coaxial transit box壁挂Wall-mounted插板Plugboard板位Board position背面板Back panel接线区Wiring area引线Leading wire跳线Jumper平衡接口Balanced interface非平衡接口Non-balanced interface双绞线Twisted pair line卡板槽Card trough平放式安装Horizontal installation前面板Front panel保险管Protective tube指示灯Indicating lamp恢复式通道倒换Revertive path switching非恢复式通道倒换Non-revertive path switching未开工Not in service开工In service一次保安单元Primary protective unit满配置Full configuration单向Unidirectional双向Bi-directional通道保护和复用段保护Path protection and multiplex section protection 倒换Switching开销单元（OHP）Overhead processing unit输出阻抗Output impedance信号标记Signal label开销字节Overhead byte同步源Synchronous source时钟源Clock source正向Positive时隙源Timeslot source时隙宿Timeslot sink反向Negative双向Both-way故障定位Fault localization功能块Functional block危急告警Critical主要告警Major次要告警Minor提示告警Warning15分钟周期15-minute period复选框Check box对象集Object set非零Non-zero不可用时间Unavailable time (UAT)越限Threshold-crossing信号丢失Loss of signal劣化Deterioration光路Optical path对端Opposite terminal帧丢失Loss of frame高阶通道Higher-order path管理单元Administrative unit (AU)误码Bit error连接器Connector衰减Attenuation指针调整记数Pointer justification count (PJC)PJCHIGH（指针正调整）和PJCLOW（指针负调整）Pointer justification high and p ointer justification low光时域反射计OTDR Optical time domain reflectometer尾纤Tail fiber远端自环Remote self-loop配线架MDF (main distribution frame)管理域Management domain光纤连接器Optical connector保护倒换Protection switching双纤单向通道保护环Two-fiber unidirectional path protection ring报表Report网管图标NM icon子网Sub-network子架Sub-rack在线帮助On-line help串口线Serial port line波特率Baud rate常亮Normally on结果码Object code复用段适配Multiplex section adaptation接触不良Poor contact用户手册1跟踪模式、自由振荡和保持模式Locked mode, free-run mode and hold-over mode沟槽Trough静电吸附Electrostatic adherence粒径Particle size一次电源Primary power supply尖峰电压Peak voltage防静电手腕Anti-electrostatic wrist瞬变过程Transient process低通滤波器Low-pass filter滤波电容Filtering capacitance防雷Lightening-protection避雷针Lightening arrestor光衰耗器Optical attenuator光功率计Optical power meter接插件Plug-in unitOOF接收帧失步Out of frame碰线Swinging crossTU指针丢失TU loss of pointer导航树Navigation tree网元图标NE iconLOC收时钟丢失告警Loss of clock未装载Unequipped溢出Overflow失配Mismatch再生段Regenerator section未扰码字节Unscrambled bytesSDH Synchronous Digital Hierarchy 同步数字系列PDH Plesiochrous Digital Hierarachy 准同步数字系列SBS Synchronous information Bone System 同步信息骨干系统STM` Synchronous Transport Module 同步传输模块STG Synchronous Timing Generator 同步定时发生器SCC System Control &Communication 系统通信控制ECC Embedded Control Channel 嵌入控制通道SL1 Synchronous Line STM-1 155520kbit/s同步线路光接口板SL2 2 x Synchronous Line STM-1 155520kbit/s同步线路双光接口板SL4 Synchronous Line STM-4 622080kbit/s同步线路光接口板SLE Synchronous Line STM-1 Electrical 155520kbit/s同步线路电接口板SE2 2 x Synchronous Line STM-1 Electrical 155520kbit/s同步线路双电接口板PL1 PDH Line E1 16x 2048kbit/s电接口支路板PD1 PDH Double 16-line E1 32x 2048kbit/s电接口支路板PL3 PDH Line E3/DS3 3x34368kbit/s、3x44736kbit/s 电接口支路板PL4 PDH Line E4 139264kbit/s电接口支路板TXC Tributary Cross-connection for STM-16 2.5G低阶交*连接板X16 High-order Cross-connection for STM-16 2.5G高阶交*连接板GTC General Timeslot Cross-connection 通用时隙交*连接板R16 Receiver of STM-16 2488320kbit/s同步线路光接收板T16 Transmitter of STM-16 2488320kbit/s同步线路光发送板ASP Administrative Unit Signal Processing 同步线路管理单元信号处理板PWS Power Supply 二次电源板BA2 2 x Booster Amplifier 双路光功率放大器板TDA Tone&Data Access 音频数据接口板OAM Operation Administration and Maintenance 运行、管理、维护OHP Overhead Processor 开销处理板SBSMN SBS Management Network SBS网管系统RMS Religion Management System 区域管理系统AIS Alarm Indication Signal告警显示信号ALS Automatic Laser Shutdown自动激光关断APS Automatic Protection Switching自动保护倒换AU Administrative Unit 管理单元AUG Administrative Unit Group 管理单元组BER Bit Error Ratio 误码率BIP Bit Interleaved Parity 比特间插奇偶校验CM Connection Matrix 连接矩阵CMISE Common Management Information Service Element 公共管理信息业务单元DCC Data Communications Channel 数据通信通路EOW Engineering Order-Wire 工程联络线（公务）ES Errored Second 误码秒FAL Frame Alignment Loss 帧同步丢失FEBE Far End Block Error 远端成块误码FERF Far End Receive Failure 远端接收故障HCS Higher order Connection Supervision 高阶连接监督HOA Higher Order Assembler 高阶组装HOI Higher Order Interface 高阶接口HP Higher order Path 高阶通路HPA Higher order Path Adaptation 高阶适配HPC Higher order Path Connection 高阶通路连接HPOM Higher order Path Overhead Monitor 高阶通路开销监视HPT Higher order Path Termination 高阶通路终结LOF Loss Of Frame 帧失步LOI Lower Order Interface 低阶接口LOM Loss Of Multiframe 复帧丢失LOP Loss Of Pointer 指针丢失LOS Loss Of Signal 信号丢失LP Lower order Path 低阶通路LPA Lower order Path Adaptation 低阶通路适配LPC Lower order Path Connection 低阶通路连接LPOM Lower order Path Overhead Monitor 低阶开销监视LPT Lower order Path Termination 低阶通路终结LTI Loss of all Incoming Timing referencesLUG Lower order path Unequipped GeneratorMCF Message Communications Function 消息通信功能MRTIE Maximum Relative Time Interval ErrorMS Multiplex Section 复用段MSA Multiplex Section Adaptation 复用段适配MSOH Multiplex Section OverHead 复用段开销MSP Multiplex Section Protection 复用段保护MST Multiplex Section Termination 复用段终结MTIE Maximum Time Interval ErrorNDF New Data FlagNE Network Element 网元NEF Network Element Function 网元功能NNI Network Node Interface 网络节点接口OOF Out Of Frame 帧失步PDH Plesiochronous Digital Hierarchy 准同步数字系列PPI PDH Physical Interface PDH物理接口PJE Pointer Justification Event 指针调整事件POH Path OverHead 通路开销PSE Protection Switch Event 保护倒换事件RS Regenerator Section 再生段RSOH Regenerator Section OverHead 再生段开销RST Regenerator Section Termination 再生段终结SD Signal Degrade 信号劣化SDH Synchronous Digital Hierarchy 同步数字系列SDXC Synchronous Digital hierarchy Cross-Connect 同步数字系列交*SEMF Synchronous Equipment Management Function 同步设备管理功能SES Severely Errored Second 严重误码秒SETG Synchronous Equipment Timing Generator 同步设备定时发生器SETPI Synchronous Equipment Timing Physical Interface 同步设备定时物理接口SETS Synchronous Equipment Timing Source 同步设备定时源SLM Signal Label Mismatch 信号失配SPI SDH Physical Interface SDH物理接口TMN Telecommunications Management Network 电信管理网TU Tributary Unit 支路单元。