| Abbreviation | Definition |
|---|---|
| SCP | Short Circuit Protection |
| SCPWG | Signal Control and Prioritization Working Group |
| SCR | Send Configure Request |
| SCRM | System Center Reporting Manager |
| SCRT | Sub-Capacity Reporting Tool |
| SCS | Site Caching Services |
| SCS | Structured Cabling System |
| SCSI | Small Computer System Interface |
| SCSN | Social Care Support Network |
| SD | Same Domain |
| SD | SCSI (Small Computer System Interface) Device |
| SD | Service Director |
| SD | Session Directory |
| SD | Speed Download |
| SDA | Serial Data Acquisition |
| SDAN | Software-Defined Access Network |
| SDC | Shared Domain Controller |
| SDCN | Software Driven Cloud Networking |
| SDCP | Serial Data Control Protocol |
| SDD | SOPAS Device Driver |