（单词翻译:单击）
| 序号 | 中 文 | 英 文 | 术语解释 | 缩写 | 来源 |
| 41 | OADM公共控制信道 | ODAM Common Control Channel | OCCCH | ||
| 42 | 正交信道噪声仿真器 | Orthogonal Channel Noise Simulator | OCNS | ||
| 43 | 操作员确定闭锁 | Operator Determined Brring | ODB | ||
| 44 | ODMA专用控制信道 | ODMA Dedicated Control Channel | ODCCH | ||
| 45 | ODMA专用信道 | ODMA Dedicated Channel | ODCH | ||
| 46 | 总额定响度 | Overall Loudness Rating | OLR | ||
| 47 | 对象定义语言 | Object Definition Language | ODL | ||
| 48 | 驱动多接入机会 | Opportunity Driven Multiple Access | ODMA | ||
| 49 | 光分配网络 | Optical Distribution Network | ODN | ||
| 50 | 光域业务内部连接 | Optical Domasin Service Interconnect | ODSI | ||
| 51 | 分布式开放的电信结构 | Open Distribution Telecom Architecture | ODTA | ||
| 52 | ODMA专用业务信道 | ODMA Dedicated Traffic Channel | ODTCH | ||
| 53 | 正交频分复用 | Orthogonal Furequency Division Multiplexity | OFDM | ||
| 54 | 正交频分复用论坛 | Orthogonal Freqency Division Multiplexing Forum | OFDMF | ||
| 55 | 对象组 | Object Group | OG | ||
| 56 | 运营者融合组 | Operators Harmonization Group | OHG | ||
| 57 | 光因特网论坛 | Optical Internetworking Forum | OIF | ||
| 58 | 光线路放大器 | Optical Line Amplifier | OLA | ||
| 59 | 光线路终端 | Optical Line Terminal | OLT | ||
| 60 | 重叠模式 | Overlay Model |
