Low speed digital signals for use in coal mines. Specification for transformer coupling.
NORMA vydaná dňa 31.1.1985
Označenie normy: BS 6556-2:1985
Dátum vydania normy: 31.1.1985
Počet strán: 22
Približná hmotnosť: 66 g (0.15 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Defines electrical input and output characteristics of intrinsically safe transmitting and receiving circuits forming a low speed digital data transmission link in which data is transmitted using frequency shift keying techniques Status: Confirmed