| ATM: Asynchronous Transfer Mode |
IEEE: Institute of Electrical and Electrical Engineers |
SONET: synchonous optical network |
| BRI-ISDN: basic rate interface Integrated Services Digital Network |
ISDN: Integrated Services Digital Network |
SSL: Secure Socket Layer |
| CRC: cyclic redundancy check |
ISO: International Organisation for Standardization |
STP: shielded twisted pair |
| CSMA/CA: Carrier-Sense Multiple Access with Collision Avoidance |
ITU: International Telecomunications Union |
TA: Terminal Adapter |
| CSMA/CD: Carrier-Sense Multiple Access with Collision Detection |
LLC: Logical Length control |
TDM: time division multiplexing |
| CSU: channel service unit |
MAC: Media access control |
TDR: time domain reflectometer |
| DOCSIS: Data Over Cable Service Interface Specification |
MAU: media access unit or multistation access unit |
UDP: User Datagram Protocol |
| DSL: digital subsriber line |
NIC: network interface card |
UTP: unshielded twisted pair cable |
| DSU: data service unit |
POTS: plain old telephone service |
VoIP: Voice over IP |
| ESS topology: extended service set topology |
PVC: permanent virtual circuit |
WNIC: wireless network interface card |
| IBSS topology: independent basic service set topology |
SAP: Service access point |
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