tone loss -16, 1% in either direction 3) Signal to noise ratio 24 Db level 4) White noise C message Dbrnco 5) Envelope delay measurement 6) Phase jitter not to exceed 10% 7) Impulse noise test minimum 15 minute count Don't worry if you do not understand what all these tests mean, the telephone company knows. These standards are all available from the FCC upon request. When the lines provided to
