6100 BSC Programming Manual

6100 BSC Concepts and Context
Transmitting Station:
PAD SYN...SYN STX TEXT ETX BCC PAD
Acknowledgement
PAD SYN...SYN ENQ PAD PAD SYN...SYN ACK1 PAD
1
PAD SYN...SYN ACK0 PAD
S5066-018
Application-Supplied
BSC-Supplied
Receiving Station:
With 6100 BSC, the transmitting station can also send a message at this point.
An acknowledgement means that the other station can keep sending messages;
a message means that the other station must send an acknowledgement (i.e., stay in READ state).
PAD SYN...SYN STX TEXT ETX BCC PAD
Conversational Reply
Legend
1
Figure 1-18. Limited Conversational Mode
Receiving Station:
Transmitting Station:
PAD SYN...SYN STX TEXT ETX BCC PAD
Stations exchange conversational text.
Application-Supplied
BSC-Supplied
S5066-019
PAD SYN...SYN STX TEXT ETX BCC PAD
PAD SYN...SYN STX TEXT ETX BCC PAD PAD SYN...SYN STX TEXT
Figure 1-19. Full Conversational Mode
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