| Acronym | Meaning |
| POSIX | Portable Operating System Interface For UNIX |
| WNIU | Wireless Network Interface Unit |
| ERP | Enterprise Resource Planning |
| ANSI | American National Standards Institute |
| XT | Extended |
| RARP | Reverse Address Resolution Protocol |
| PMML | Predictive Modeling Markup Language |
| SPX | Sequenced Packet Exchange |
| RTSP | Realtime Streaming Protocol |
| DMA | Direct Memory Access |