Albalá Ingenieros | Manual
IPA3000C01
5. GLOSSARY
1 PPS
One Pulse Per Second. Synchronization signal that consists of one short pulse that is
repeated every second. Typically uses TTL levels.
ASI
Asynchronous Serial Interface. Transmission interface for DVB/MPEG-2 Transport
streams as per EN 50083-9.
BNC
Bayonet Neill-Concelman connector.
DVB
Digital Video Broadcasting. An international organization dedicated to the
standardization of digital video broadcasting. Their webpage is: www.dvb.org
DVB-ASI
Asynchronous Serial Interface. An asynchronous serial interface for DVB streams that is
one of the principal formats for transmission of MPEG-2 streams over cable.
DVB-T
DVB - Terrestrial. The standard created by the DVB for terrestrial television broadcasting.
FEC
Forward Error Correction. This technique corrects errors at the receiving point produced
in a digital transmission channel by including redundant information at the
transmission point in the form of error correction codes.
GPI
General Purpose Input. This is a signaling and control interface that receives
information through detection of the open or closed status of an external circuit. The
information is received from a device at the other end of the line, typically employing a
GPO interface.
GPIO
General Purpose Input/Output. General purpose signaling interface that can operate as
an input (GPI) or output (GPO).
GPO
General Purpose Output. This is a signaling and control interface that transmits
information via closure of a contact. A GPI input is typically used at the other end of the
line.
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