| CSMA/CD | carrier sense multiple access with collision detection |
| DCOM | distributed common object model |
| DIX | Digital Equipment Corp., Intel, Xerox |
| HSE | high-speed Ethernet |
| HTTP | hypertext transfer protocol |
| I/O | input/output |
| IDA | Interface for Distributed Automation |
| IEEE | Institute of Electrical and Electronics Engineers |
| LLC | logical link control |
| ODVA | Open DeviceNet Vendors Association |
| OSI | open systems interconnect |
| PLC | programmable logic controller |
| SFD | start of frame delimiter |
| TCP/IP | transmission control protocol/Internet protocol |
| XML | extensible markup language |
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