| |||
Hauptkoppelfeld n (System 12); Teilkoppelfeld n (exchange) | |||
Gruppenkoppler m; Gruppenschalter m | |||
Bündelweiche f |
group switch: 6 phrases in 5 subjects |
Communications | 1 |
Measuring instruments | 1 |
Optics branch of physics | 1 |
Technology | 2 |
Telecommunications | 1 |