Link Access Procedure, Balanced (LAPB).

Пример дешифрации

LAPB: ITU-T X.25 White book, 1996
      0 00000000 Address field................. 0 Hex
 
     -- Control field
      1 .......0 Format ind.................... I-frame
        ....000. N(S).......................... 0 Dec
        ...0.... Poll bit...................... 0 Dec
        111..... N(R).......................... 7 Dec

Ссылки

• ITU-T Recommendations