常用通信专业缩略语含义

ADM      Add-Drop Multiplexer                      分/插复用器
AIS      Alarm Indication Signal                   告警指示信号
ATM      Asynchronous Transfer Mode                异步传输模式
AU       Administrative Unit                       管理单元
AUG      Administrative Unit Group                 管理单元组
CRC      Cyclic Redundancy Check                   循环冗余校验
CV       Coding Violation                          编码违例
DXC      Digital Cross Connect                     数字交叉连接
FDDI     Fiber Distributed Data Interface          光纤分布式接口
ID       Identifier                                识别符
LOF      Loss Of Frame                             帧丢失
LOS      Loss Of Signal                            信号丢失
OAM      Operation Administration and Maintenance  运行、维护和管理
OOF      Out Of Frame                              帧失步
OW       Order Wire                                公务
PDH      Plesiochronous Digital Hierarchy          准同步数字体系
PSTN     Public Switched Telephone Network         共用电话交换网
RDI      Remote Defect Indication                  远端缺陷指示
SDH      Sychronous Digital Hierarchy              同步数字体系
TUG      Tributary Unit Group                      支路单元组
VC       Virtual Container                         虚容器