Black Box PCW22A-R3 Cable Box User Manual


 
PROTOCOL CONVERTER A/S-2G
4
4.2 Synchronous Device to Asynchronous Device........................................................................22
4.2.1 Line Control...............................................................................................................22
4.2.2 Synchronous Input Data Format...............................................................................22
4.2.3 Data Conversion.........................................................................................................22
4.2.4 Flow Control...............................................................................................................22
4.2.5 Verification of Data Reception..................................................................................22
4.2.6 Line Turnaround .......................................................................................................22
5.0 Conversions and Connections ..........................................................................................................27
5.1 Transparency Mode of Operation...........................................................................................27
5.2 Installing or Replacing PROMs ...............................................................................................27
5.3 RS-232 Cable Chart ..................................................................................................................27
5.4 Code Conversions.....................................................................................................................29
5.5 Printed Circuit Board Layout ..................................................................................................31