Envoy ACP/XF Application Programming Manual

Normal Response Mode (NRM) Protocols
EnvoyACP/XF Application Programming Manual–132179
3-49
SDLC and ADCCP-NRM Nonswitched Multipoint
Operation
<————————— A,I-Nr(0),Ns(1),F
line turnaround ——————>
[A,RR,Nr(2),P] ———————>
<————————— line turnaround
<————————— [A,RR,F]
line turnaround ——————>
[B,RR,P] —————————————>
<————————— line turnaround
<————————— [B,RR,F]
line turnaround ——————>
B,I-Nr(0),Ns(0) ——————>
B,I-Nr(0),Ns(1) ——————>
B,I-Nr(0),Ns(2) ——————>
B,I-Nr(0),Ns(3) ——————>
B,I-Nr(0),Ns(4),P ————>
<————————— line turnaround
<————————— [B,RR,Nr(5),F]
[C,RR,P] —————————————>
<————————— line turnaround
<————————— [C,RR,F]
For information on errors and error recovery, see Appendix A, File-System Errors.