| Abbreviation | Definition |
|---|---|
| SC | Service Class |
| SC | Session Counter |
| SC | Set Cookie |
| SC | Smp Cluster |
| SC | Subscriber Connector |
| SC | Swapped Controller |
| SCA | Send Configure Ack |
| SCA | Systems Communication Architecture |
| SCANR | Stroke National Capital Area Network for Research |
| SCC | Serial Communication Controller |
| SCC | System Console Concentrator |
| SCCP | Signaling Connection Control Part |
| SCIP | Secure Communications Interoperability Protocol |
| SCIU | Synchronous Clock Insertion Unit |
| SCK | Single-Mode Fiber-Optic Consumables Kit |
| SCM | Secure Console Management |
| SCN | Send Configure Nak |
| SCN | System Commit Number |
| SCNA | Send Configure Not AcKnowledged |
| SCNL | Satellite Communications and Networking Laboratory |