Exchange/RJE Manual

Retransmission Rejected (Terminal to Processor)

BSC Line Control

C–10 104698 Tandem Computers Incorporated

Retransmission Rejected

(Terminal-to-Processor)

This figure shows the BSC line-control sequence between a terminal and a processor

during a transmission where the retransmission is rejected by the processor.

006

Transmitting Station Processor Station

ENQ

bid for line

STX

text (odd)

ETB

STX

text (odd)

ETB

Retry “n” times,

count determined by

processor program

STX

text (odd)

ETB

ACK 0

NAK

EOT