| Acronym | Meaning |
| NSP | Network Service Provider |
| DMCA | Digital Millennium Copyright Act |
| FDM | Frequency Division Multiplexing |
| MCI | Media Control Interface |
| GUID | Globally Unique Identifier |
| JCL | Job Control Language |
| GREP | Globally Search For The Regular Expression And Print |
| PCB | Printed Circuit Board |
| SNMP | Simple Network Management Protocol |
| PQDIF | Power Quality Data Interchange Format |