Glossary:

ATIS Telecom Glossary

Search Keyword By: N

Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

negative-acknowledge character (NAK)

A transmission control character sent by a station as a negative response to the station with which the connection has been set up.
Note 1: In binary synchronous communication protocol, the NAK is used to indicate that an error was detected in the previously received block and that the receiver is ready to accept retransmission of that block.
Note 2:… (Read More →)

NENA

National Emergency Numbering Association

NEP

Abbreviation for noise equivalent power.

neper (Np)

1. A unit used to express ratios, such as gain, loss, and relative values.
Note 1: The neper is analogous to the decibel, except that the Naperian base
2. 71828182
8. . . is used in computing the ratio in nepers.
Note 2: The value in nepers, Np, is given by Np = ln(x1/x2), where x1 and x2 are the… (Read More →)

net

Synonym communications net.

Showing 71–80 of 314 results