| Abbreviation | Definition |
|---|---|
| FR | Frame Relay |
| FRAD | Frame Relay Assembler Disassembler |
| FRAME | Florence Recording And Music Enterprise |
| FRAP | Frame Relay Access Probe |
| FRBS | Frame Relay Bearer Service |
| FRC | Frame Rate Control |
| FRED | Foto Realistic Electronic Delivery |
| FRF | Frame Relay Forum |
| FRGP | Front Range GigaPop |
| FRQ | FReQuency |
| FRR | Fast Reroute |
| FRR | Fast Retransmit and Recovery |
| FRSW | Frame Relay Switch |
| FRTS | Frame Relay Traffic Shaping |
| FRUUG | Front Range Unix User's Group |
| FS | File Server |
| FSAN | Full Service Access Network |
| FSBM | Fixed Size Block Matching |
| FSC | Fast Service Consulting |
| FSP | File Server Protocol |