通信基础知识汇集光通信部分.doc

常用缩语 2F MS-SPRing 2-Fiber Multiplex Section-Shared Protection Ring 两纤复用段共享保护环 2F-BLSR 2-Fiber Bidirectional Line Switched Ring 两纤双向链形倒换环 4F MS-SPRing 4-Fiber Multiplex Section-Shared Protection Ring 四纤复用段共享保护环 4F-BLSR 4-Fiber Bidirectional Line Switched Ring 四纤双向链形倒换环 4F-VLSR 4-Fiber Virtual Line Switched Ring 四纤虚拟线路倒换环 AA Account Administrator 账户管理员 ACO Alarm Cutoff 告警截断 ADM Add/Drop Multiplexer 分插复用器 AID Access Identifier 接入标识符 AIS Alarm Indication Signal 告警指示信号 AIS-L Alarm Indication Signal，Line (detected at the line layer) 线路层告警指示信号 AIS-P Alarm Indication Signal，Path (detected at the path layer) 通道层告警指示信号 ALS Automatic Laser Shutdown 自动激光关闭 AMF APS Mode Mismatch Failure APS 模式失配故障 AMI Alternate Mark Inversion 传号交替反转码 ANSI American National Standards Institute 美国国家标准协会 APD Avalanche Photodiode 雪崩光电二极管 API Access Point Identifier 接入点标识 APS Automatic Protection Switching 自动保护倒换 ARC Alarm Reporting Control 报警控制 ASIC Application Specific Integrated Circuit 专用集成电路 ASN Abstract Syntax Notation 抽象句法记法 ASNCP Arbitrary Subnetwork Connection Protection 任意子网连接保护 ASON Automatically Switched Optical Network 自动交换光网络 ATM Asynchronous Transfer Mode 异步转移模式 AU Administrative Unit 管理单元 AU-AIS Administrative Unit-Alarm Indication Signal 管理单元告警指示信号 AUG Administration Unit Group 管理单元组 AU-n Administration Unit level n N 阶管理单元 AU-PTR Administration Unit Pointer 管理单元指针 AU-RFI Administrative Unit-Remote Failure Indication 管理单元远端失效指示 A-VLSR Asymmetric Virtual Line Switched Ring 不对称虚拟线路倒换环 B8ZS Bipolar with 8-Zero Substitution 八连零置换双极性码 BBE Background Block Error 背景误码块 BBE-FE Background Block Error-Far End 远端背景误码块 BBE-NE Background Block Error-Near End 近端背景误码块 BBE-PFE Background Block Error-Path Far End 通道远端背景误码块 BBE-PNE Background Block Error-Path Near End 通道近端背景误码块 BBER Background Block Error Ratio 背景块差错比 BER Bit Error Ratio 误比特率 BITS Building Integrated Timing Source 大楼综合定时供给 BLSR Bidirectional Line Switched Ring 双向链形倒换环 BML Business Management Layer 事务管理层 BOD Bandwidth on Demand 按需带宽分配，