| |||
| champ d'alarme (transmission equipment, appareil de transmission); champ de signalisation (transmission equipment, appareil de transmission); unité d'alarme (transmission equipment, appareil de transmission); unité de signalisation (transmission equipment, appareil de transmission) | |||
|
alarm unit : 2 phrases in 2 subjects |
| Communications | 1 |
| General | 1 |