ONT (Optical Network Terminal) Management Control Interface

ONT (Optical Network Terminal) Management Control Interface

A global radionavigation system that enables user with special receivers to obtain position information by measuring phase difference between precisely timed signals radiated by a network of eight transmitting stations deployed worldwide.
Note: The transmitted signals time-share transmission on frequencies of
1
0. 2,
1
1. 05,
1
1. 33, and
1
3. 6 kHz. Since the transmissions are coordinated… (Read More →)

Object Management Group

An antenna that has a radiation pattern that is nondirectional in azimuth.
Note: The vertical radiation pattern may be of any shape.

A radionavigation land station in the aeronautical radionavigation service providing direct indication of the bearing (omnibearing) of that station from an aircraft. [NTIA]

See on-line. Alternate spellings: on-line, online.
Note: These alternate spellings are inconsistent with convention, but are widely used in computer technology.

A low-powered mobile station in the maritime mobile service intended for use for internal communications on board a ship, or between a ship and its lifeboats and liferafts during lifeboat drills or operations, or for communication within a group of vessels being towed or pushed, as well as for line handling and mooring instructions. [NTIA] [RR]

1. In telephony, the condition that exists when an operational telephone, or other user instrument, is not in use.
Note: On-hook originally referred to the storage of an idle telephone receiver, i.e., separate earpiece, on a hook that extended from a vertical post that supported the microphone also. The hook was mechanically connected to a switch that automatically disconnected the… (Read More →)

In telephony, of a circuit, a signal indicating a disconnect, unanswered call, or an idle condition.