ADR's GLOSSARY OF DNC TERMS
| AMI | Advanced Machine Interface - ADR's BTR |
| ATERM | ADR's hand held shop terminal |
| BTR | Abbr. Behind the Tape Reader - interface to CNC originally used by tape readers |
| BUS | DNC wiring scheme without hubs - machines wire in daisy-chain fashion |
| Client | Consumer of a service such as a LanTap using FTP services |
| CNC | Abbr. Computer Numerical Control - Computer inside a machine, controlling its motion |
| DNC | Abbr. Distributed Numerical Control - non centralized processing of numerical control information |
| DNC Server | A computer supplying files to and from shop floor workstations or machines |
| Drip-feed | The process of sending data to a CNC as it runs - block by block |
| EIA | Abbr. Refers to RS244 code format used by older CNC to code stored programs |
| Ethernet | LAN hardware interface - refers to protocol used to communicate |
| Factory Net | Network of machines on the shop floor - refers to connections between machines and computers |
| FTP | Abbr. File Transfer Protocol - protcol used to access files on internet and intranets |
| Hub | A device which connects cables together providing network communication between cabled devices |
| Intranet | TCP/IP network used within a company - using Local Area Network (LAN) |
| Internet | TCP/IP network also known as the World Wide Web. |
| ISO | Refers to RS358 code format used by newer CNC to code stored programs |
| LAN | Abbr. Local Area Network - typically an Ethernet network of computers and devices |
| LanTap | Abbr. LAN TCP/IP Asynchronous serial Port adapter |
| Multi-drop | Multiple devices sharing a single connection - using serial data communications |
| PUNCH | CNC output device - parallel to tape punch or serial output |
| Router | A hub device which selectively sends data between its ports |
| RS232 | Electrical specification: Single ended +/- 12V signals for two party communication |
| RS422 | Electrical specification: Balanced 0-5V signals for multi-party communication |
| READER | CNC input device - originally a tape reader, now BTR |
| Remote | Remote Access of DNC server - file transfers initiated by client |
| Server | Provider of a service - such as an computer supporting FTP service |
| Single-drop | Multiple devices electrically connected to a hub - one device per hub connection. |
| STAR | DNC wiring scheme where a hub connects each machine via radial cables |
| TCP/IP | Abbr. Transmission Control Protocol/Internet Protocol - protocols used to network |