
Digital data transmission. Basic mode control procedures; conversational information message transer
出版:British Standards Institution

专家解读视频
Allows two stations connected by a data link and operating within the control procedures of BS 4505-1 to reverse their master/slave status and to interchange messages in a fast conversational manner.
© British Standards Institution 2013
General notes:
This standard has been re-declared as obsolescent following the reinstatement of ISO 2629 from withdrawn status to current status
ISO 2629:1973 - Identical