Glossary
error control
A variety of techniques that check the reliability of characters (parity) or blocks of data. V.42 and MNP
facsimile
A method for transmitting the image on a page from one point to another. This is commonly referred to as fax.
fax mode
The mode in which the faxmodem is capable of sending and receiving files in a facsimile format. See definitions for V.17, V.27ter, V.29.
flow control
A mechanism that compensates for differences in the flow of data into and out of a modem or other device. See commands &Hn, &In, &Rn.
frame
A data communications term for a block of data with header and trailer information attached. The added information usually includes a frame number, block size data,
full duplex
These signals will flow in both directions at the same time. In microcomputer communications, may refer to the suppression of the on- line local echo.
half duplex
These signals will flow in both directions, but only one way at a time. In microcomputer communications, may refer to activation of the online local echo, which causes the modem to send a copy of the transmitted data to the screen of the sending computer.
Hz
Hertz is a frequency measurement unit used internationally to indicate one cycle per second.
46 56K Voice Faxmodem Internal - User’s Guide