| ANSI | American National Standards Institute |
| ATM | Asynchronous Transfer Mode |
| AWG | American Wire Gauge |
| BNC | Bayonet-Neill-Concelman |
| CP | Consolidation Point |
| CDDI | Copper Distributed Data Interface |
| cULus | Canadian and U.S. listing by Underwriters Laboratories |
| dB | Decibel |
| EIA | Electronic Industry Association |
| ELFEXT | Equal Level Far End Crosstalk |
| EMI | Electro-Magnetic Interference |
| FEXT | Far-End Crosstalk |
| FTP | Foil Twisted Pair |
| HC | Horizontal Cross-Connect |
| Horiz. | Horizontal |
| IC | Intermediate Cross-Connect |
| IDC | Insulation Displacement Connection |
| LAN | Local Area Network |
| MC | Main Cross-Connect |
| MHz | Megahertz |
| Mod. | Modular |
| MM | Multimode |
| MUTOA | Multi-User Telecomminucations Outlet Assembly |
| NEMA | National Electrical Manufacturers Association |
| NEXT | Near End Crosstalk |
| Pos. | Position |
| PSNEXT | Power Sum NEXT |
| RMS | Rack Mount Space |
| SDT | Screw Down Termination |
| ScTP | Screened Twisted Pair |
| SFF | Small Form Factor |
| SM | Singlemode |
| STP | Shielded Twisted Pair |
| TC | Telecommunications Closet |
| TIA | Telecommunications Industry Association |
| TP | Transition Point |
| TP-PMD | Twisted Pair - Physical Medium Dependent |
| TSB | Telecommunications System Bulletin |
| UTP | Unshielded Twisted Pair |
| Vert. | Vertical |
| WA | Work Area |
