TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

TWO ASPECT SIGNAL [2 records]

Record 1 2009-05-14

English

Subject field(s)
  • Signalling (Rail Transport)
  • Railroad Safety
CONT

A two aspect signal can either be yellow or green, or red and green. As with other colour light signal formations, a yellow aspect means the next section is clear but there is a train in the following one. A green indicates the next two sections are clear.

French

Domaine(s)
  • Signalisation (Transport par rail)
  • Sécurité (Transport par rail)
CONT

La signalisation de fin de double voie est composée de 2 signaux à 3 aspects sur la voie directe et d'un signal à deux aspects utilisé pour les trains rejoignant la voie principale.

Spanish

Save record 1

Record 2 2007-01-13

English

Subject field(s)
  • Audio Technology
DEF

An interconnection between audio components in which there are two conductors, signal and ground.

OBS

The ’unbalanced’ aspect of this connection is that, since ground is the reference, each of the two signal leads has a very different(unbalanced) impedance relationship to the reference. This is of no consequence unless there are noises or hum potentials in the grounding of the interconnected components. Commonly employs a coaxial cable, in which the outer cylindrical shield serves as the ground connection.

French

Domaine(s)
  • Électroacoustique
DEF

Interconnexion entre des composants audio comportant deux conducteurs : le signal et le son.

OBS

Le caractère «dissymétrique» de cette connexion tient au fait que la terre étant utilisée comme référence, chacune des deux extrémités du signal présente un rapport d'impédance très différent (dissymétrique) avec la référence. Cette différence est sans effet, excepté en présence de bruits ou de bourdonnements dans la mise à la terre des composants interconnectés. Cette connexion utilise en général un câble coaxial, dont le blindage cylindrique extérieur sert de connexion à la terre.

Spanish

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