（单词翻译:单击）
| 中文 | 英文 | 缩写 |
| 放大 | zoom in | |
| 放大的随机发射 | Amplified Spontaneous Emission | ASE |
| 放大自辐射噪声 | Amplified Spontaneous Emission Noise | ASEN |
| 放电 | discharge | |
| 放号 | number distribution/number assignment | |
| 放弃/重试/失败 | Abort ， Retry ， Fail | |
| 放弃的呼叫 | abandoned call | |
| 放弃的试呼 | abandoned call attempt | |
| 放弃的业务 | abandoned traffic （ =lost traffic ） | |
| 放弃的业务/损失的话务 | lost traffic | |
| 放弃呼叫尝试/未接通的呼叫尝试 | abandoned call attempt | |
| 放弃连接 | abandon connection | |
| 飞弧 | flashover | |
| 非GPRS告警标识 | Non-GPRS Alert Flag | NGAF |
| 非本征损耗 | extrinsic loss | |
| 非对称结构 | asymmetric structure | |
| 非对应的信令模式 | non-corresponding signaling mode | |
| 非对应方式 | nonassociated mode | |
| 非法接入/访问 | unauthorized access | |
| 非分组终端 | Non-Packet Terminal | NPT |
| 非服务状态 | not in service/out-of-service | |
| 非工作状态的 | inactive | |
| 非归零码 | Non-Return-to-Zero code | NRZ |
| 非衡重杂音 | unweighted noise | |
| 非话业务 | non-voice service/non-telephony service | |
| 非话终端 | non-voice terminal | |
| 非恢复式通道倒换 | non-revertive path switching | |
| 非恢复性保护 | non-revertive protection | |
| 非回绕 | non-rewinding | |
| 非活动链 | inactive link | |
| 非计划性维护 | unscheduled maintenance | |
| 非坚持式协议 | non-persistent protocol | |
| 非介入式监控 | non-intrusive monitoring | |
| 非金属件 | non-metallic component | |
| 非连续的 | discontinued | |
| 非零色散位移光纤 | Non-Zero Dispersion Shifted Fiber | NZDSF |
| 非平衡接口 | non-balanced interface | |
| 非屏蔽双绞线 | Unshielded Twisted Pair | UTP |
| 非填充缆心 | non-filling cable core | |
| 非同步网 | asynchronous network | |
| 非现场维护 | off-site maintenance | |
| 非相干光 | incoherent light | |
| 非相邻频率 | non-adjacent frequency | |
| 非选择性衰落 | non-selective fading | |
| 非循环的/非周期的 | acyclic | |
| 非循环信号流图 | acyclic signal flow graph | |
| 非要害故障 | non-critical fault | |
| 非要害缺陷 | non-critical defect | |
| 非要害失效 | non-critical failure | |
| 非易失随机读写存储器 | Non-Volatile Random Access Memory | NVRAM |
| 非主用信号 | non-active signal | |
| 非自持放电 | non-self-maintained discharge | |
| 费率 | tariff | |
| 费率索引值 | CHarge rate indeX | CHX |
| 费率修改索引 | Rate updating InDex | RID |
| 分/插复用器 | Add & Drop Multiplexer | ADM |
| 分包管理 | subcontract management | |
| 分贝 | deciBel | dB |
| 分辨率 | resolution | |
| 分布布拉格反射器 | Distributed Bragg Reflector | DBR |
| 分布反馈激光器 | Distributed FeedBack | DFB |
| 分布反馈激光器二极管 | Distributed FeedBack Laser Diode | DFB-LD |
| 分布反馈式（DFB）激光器 | Distributed FeedBack Laser | DFB Laser |
| 分布功能平面 | Distributed Function Plane | DFP |
| 分布函数 | distribution function | |
| 分布式测试管理器 | Distributed Test Manager | DTM |
| 分布式处理 | distributed processing | |
| 分布式队列双总线 | Distributed Queue Dual Bus | DQDB |
| 分布式交换网络 | distributed switching network | |
| 分布式人工智能 | Distributed Artificial Intelligence | DAI |
| 分布事务管理 | distributed transaction management | |
| 分布业务逻辑 | Distributed Service Logic | DSL |
| 分层结构 | layered architecture/layered structure | |
| 分层模块设计 | layered design/modular design | |
| 分层网 | hierarchical network | |
| 分插 | Add/Drop | A/D |
| 分插复用器 | Add/Drop Multiplexer | ADM |
| 分插复用器 | add and drop multiplexer | |
| 分插设备/光分路机 | add/drop equipment | |
| 分出/插入/分路/插 入/分/插 | D/I=drop/insert | |
| 分段和重组子层 | Segmentation And Reassembly sub-layer | SAR |
| 分段类型 | Segment Type | ST |
| 分段与重组 | Segmentation And Reassembly | SAR |
