6100 BSC Programming Manual

6100 BSC Link and Station Management
S5066-020
DISCONNECTED
CIRCUIT
ASSURANCE
CONTROL
READ
If BSCIDEXCH applies:
• CONTROL CONNECT
• Initial READ, WRITE, WRITEREAD
If BSCIDEXCH does not apply:
• CONTROL CONNECT
• Initial READ, WRITE, WRITEREAD
Make line bid
(WRITE, WRITEREAD)
Accept line bid
(READ)
EOT, Retry errors
(various)
CONTROL DISCONNECT •
Receive DLE EOT •
Lose DSR •
CMI STOP •
Equipment Malfunction •
EOT
Accept and acknowledge
conversational reply
(WRITEREAD to accept,
READ to acknowledge)
Receive ACK
to conv. reply
(WRITEREAD)
WRITE
Figure 2-1. Major BSC States and Transitions
2-3