�1���� Scope
������� 1.3���� Operation of DTE-DCE interface after failure to establish
error-correcting (Recommen�dation V.42) operation
�2����
Data signalling rates
�3����
Signalling rate ranges of the start-stop characters at the converter
input
�4����
Start-stop character format
�5����
Margin of the converter input
�6����
Selection of synchronous or asynchronous modes of operation
�7����
Async-to-sync conversion method
������� 7.1���� Transmitter
������� 7.2���� Receiver
������� 7.3���� Break signal
������� 7.4���� Tandem operation
������� 7.5���� Testing facilities
Annex A � Inclusion of an async-to-sync converter into a synchronous DCE