Exchange/RJE Manual

Normal Message Transmission
BSC Line Control
C–6 104698 Tandem Computers Incorporated
BSC Line-Control
Sequence Examples
The following examples illustrate typical BSC line-control sequences.
Normal Message
Transmission
This figure shows the BSC line-control sequence during transmission of a normal
message.
001
Transmitting Station Receiving Station
ENQ
bid for line
STX
text (odd)
ETB
STX
text (even)
ETB
STX
text (odd)
ETB
STX
text (even)
ETX
EOT
ACK 0
ACK 1
ACK 0
ACK 1
ACK 0