LAST.SEGMENT PDU
A_LAST_SEGMENT.req
A_LAST_SEGMENT.ind
'
A_ACK_SECTIONl.req
ACK.SECTION PDU F_AF
A_ACK_SECTIONl.ind
SECTION.READY PDU
A_SECTIONm_READY.req
A_SECTIONm_READY.ind
F SR ■
A_CALL_SECTIONm.req
CALL_SECTION PDU
A_CALL_SECTIONnund
A_SEGMENTl.ind
SEGMENT PDU
jiG_
A_SEGMENTl,req
•
A_SEGMENTn.req
A_SEGMENTnjnd
^3-^—‘ '
LAST_SEGMENT PDU
F_LS
A_ACK_SECTIONm.req
ACK_SECTION PDU
— I*_Ab
A_ACK_SECTIONm.ind
LAST.SECTION PDU
A_LAST_SECTION.req
A_LAST_SECTION.ind
Рисунок 21, лист 2