
IEEE Standard Telephone Loop Performance Characteristics
NORMA vydána dne 15.12.1984
    
        Designation standards: IEEE 820-1984
                
                
                
                Note:    NEPLATNÁ
               
                Publication date standards:  15.12.1984
        Approximate weight : 300 g (0.66 lbs)
        Country:          International technical standard
        Kategorie:  Technické normy IEEE