FOTIC Fiber Optic Transmitter Integrated Circuit 光纤发射机集成电路
FOTN Fiber Optic Transmission Network 光纤传输网络
FOTS Fiber Optic Temperature Sensor 光纤温度传感器
FP Function Processor 功能处理机
FPAD Facsimile Packet Assembly / Disassembly 传真分组组合/拆卸
FPBS Fiber Polarization Beam Spliter 光纤偏振分束器
FPLL Frequency and Phase Locked Loop 锁频/锁相环
FPLMTS Future Public Land Mobile Telecommunication Systems 未来公用陆地移动通信系统
FPM Four Photon Mixing 四光子混合
FPSLA Fabry-Perot Semiconductor Laser Amplifier 法布里-珀罗半导体激光放大器
FPT/FPS Fast Packet Transfer / Switching 快速分组传送/交换
FRA File Relative Address 文件相关地址
FRA Fixed Radio Access 固定无线接入
FRAD Frame Relay Access Device 帧中继接入设备
FRDTS Frame Relay Data Transmission Services 帧中继数据传输业务
FRI Frame Relaying Information 帧中继信息
FRMR FRaMe Reject 帧拒绝
FRP Fast Reservation Protocol 快速保留协议
FRP Fast Resolution Protocol 快速分辨协议