Instruction manual

Appendix A - Pin Connections
For minimum system interconnection, pins no. 1,2,3,7 should be connected as follows:
Figure A1. Minimum System Interconnection
For a regular connection, pins no. 1,2,3,7 should be connected as described above. In addition, pins no.
6,20 should be connected as follows:
Figure A2. Standard Connection
:
Figure A3. RS-232 Connector