| 首字母 |
缩写 |
英文全称 |
中文含义 |
| A |
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 |
| ASP |
Administrative Unit Signal Processing |
同步线路管理单元信号处理板 |
| AU |
Administrative Unit |
管理单元 |
| AUG |
Administrative Unit Group |
管理单元组 |
| B |
BA2 |
2 x Booster Amplifier |
双路光功率放大器板 |
| BER |
Bit Error Ratio |
误码率 |
| BIP |
Bit Interleaved Parity |
比特间插奇偶校验 |
| C |
CM |
Connection Matrix |
连接矩阵 |
| CMISE |
Common Management Information Service Element |
公共管理信息业务单元 |
| D |
DCC |
Data Communications Channel |
数据通信通路 |
| E |
ECC |
Embedded Control Channel |
嵌入控制通道 |
| EOW |
Engineering Order-Wire |
工程联络线（公务） |
| ES |
Errored Second |
误码秒 |
| F |
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 |
| G |
GTC |
General Timeslot Cross-connection |
通用时隙交叉连接板 |
| H |
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 |
| L |
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 references |
|
| LUG |
Lower order path Unequipped Generator |
|
| M |
MCF |
Message Communications Function |
消息通信功能 |
| MRTIE |
Maximum Relative Time Interval Error |
|
| MS |
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 Error |
|
| N |
NDF |
New Data Flag |
|
| NE |
Network Element |
网元 |
| NEF |
Network Element Function |
网元功能 |
| NNI |
Network Node Interface |
网络节点接口 |
| O |
OAM |
Operation Administration and Maintenance |
运行、管理、维护 |
| OHP |
Overhead Processor |
开销处理板 |
| OOF |
Out Of Frame |
帧失步 |
| P |
PD1 |
PDH Double 16-line E1 |
32x 2048kbit/s电接口支路板 |
| PDH |
Plesiochrous Digital Hierarachy |
准同步数字系列 |
| PDH |
Plesiochronous Digital Hierarchy |
准同步数字系列 |
| PJE |
Pointer Justification Event |
指针调整事件 |
| PL1 |
PDH Line E1 |
16x 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 |
| POH |
Path OverHead |
通路开销 |
| PPI |
PDH Physical Interface |
PDH物理接口 |
| PSE |
Protection Switch Event |
保护倒换事件 |
| PWS |
Power Supply |
二次电源板 |
| R |
R16 |
Receiver of STM-16 |
2488320kbit/s同步线路光接收板 |
| RMS |
Religion Management System |
区域管理系统 |
| RS |
Regenerator Section |
再生段 |
| RSOH |
Regenerator Section OverHead |
再生段开销 |
| RST |
Regenerator Section Termination |
再生段终结 |
| S |
SBS |
Synchronous information Bone System |
同步信息骨干系统 |
| SBSMN |
SBS Management Network |
SBS网管系统 |
| SCC |
System Control &Communication |
系统通信控制 |
| SD |
Signal Degrade |
信号劣化 |
| SDH |
Synchronous Digital Hierarchy |
同步数字系列 |
| SDH |
Synchronous Digital Hierarchy |
同步数字系列 |
| SDXC |
Synchronous Digital hierarchy Cross-Connect |
同步数字系列交叉 |
| SE2 |
2 x Synchronous Line STM-1 Electrical |
155520kbit/s同步线路双电接口板 |
| 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 |
| 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 |
| SLM |
Signal Label Mismatch |
信号失配 |
| SPI |
SDH Physical Interface |
SDH物理接口 |
| STG |
Synchronous Timing Generator |
同步定时发生器 |
| STM |
Synchronous Transport Module |
同步传输模块 |
| T |
T16 |
Transmitter of STM-16 |
2488320kbit/s同步线路光发送板 |
| TDA |
Tone&Data Access |
音频数据接口板 |
| TMN |
Telecommunications Management Network |
电信管理网 |
| TU |
Tributary Unit |
支路单元 |
| TXC |
Tributary Cross-connection for STM-16 |
2.5G低阶交叉连接板 |
| X |
X16 |
High-order Cross-connection for STM-16 |
2.5G高阶交叉连接板 |
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