... of G. 704(6) Testing pattern: 26-1, 29-1, 211-1, 215-1, 220-1, 223-1, and artificial code(7) Error code insertion: Bit ... Ω, up to G.703(5) Testing pattern: 26-1, 29-1, 211-1, 215-1, 220-1, 223-1, and artificial code(6) Bit error, pattern ... , 14.4, 19.2, 38.4, 48, 56(kbps), N×64kbps (N=1~32)Error: ±15ppm (ppm: parts per million)(2.2) ASYNCH ...