Internet Fax Glossary :
- Paper capacity
- Indicates the maximum number of sheets held by the unit's standard cassettes, trays or drawers.
- Paper source
- Indicates the number of cassettes, trays or drawers the machine is equipped with in its standard configuration and the size of the cassettes, trays or drawers (ltr=letter, lgl=legal, ldg=ledger and adj=adjustable); if the machine does not use cut-sheet paper, the type of paper used (thermal roll) is indicated.
- PC interface
- Indicates type of interface offered, either serial or parallel, and whether it's available as an option. When connected, a PC interface enables the fax unit to allow scanning, printing and PC-based faxing.
- Polling
- A feature that permits a facsimile machine to call another machine and request it to transmit documents.
- Print speed
- The speed, expressed in pages per minute or seconds per page, at which a facsimile machine prints pages.
- Programmable Communication Interfaces (PCIs)
- This is the term used by the ITU-T for a family of programmable interfaces (see the definition for API above) between different layers of application and communications programs. For example, T.611 Appli/Com is an example of a PCI at the application program level and there are other versions of PCIs for lower level communications functions which establish telephone network connections.
- PSTN
- This is the Public Switched Telephone Network (PSTN) which supports analog voice and fax calls. It is also sometimes called the General Switched Telephone Network (GSTN).
- Question
- This is the term used by ITU-T for active projects within a Study Group.
