International Organization for Standardization (ISO) ISO is a worldwide federation of national standards bodies (ISO National Bodies). The work of preparing international standards is normally carried...
I-MAC isonchronous media access controller IDN integrated digital network IEC International Electrotechnical Commission Impairments Impairments is the (e.g., transmission channel and signal impairment...
Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i...
补充： Gateway - A system that translates incompatible networks or applications. Gateway is also commonly used to refer to any system that provides access to another system. GMSS - General Manager,...
Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit...
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar...
Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor...
补充： FAQ - An acronym for Frequently Asked Questions. FAQs are online documents that list and answer the most common questions on a particular subject. Federal Excise Tax - A 3% tax mandated by t...
Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so...
Fade - This is a reduction in the received signal. It is caused by absorption, refraction, or reflection. Fax - This is a shortening of Facsimile, and it refers to one fax machine sending a digital re...
