Innovative Technology BV20 - Cctalk des Encryption; Setup Example Drawing;S

GA02118 User Manual BV20
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Copyright © Innovative Technology Ltd 2018 Doc: GA02118/1 User Manual BV20
Version: 1.0
Page 25 of 60
+12VDC and 0V (GND) must
always be connected, also when
using USB connections.
5.3.3 ccTalk
®
DES Encryption
When using ccTalk
®
DES encryption, the BV20 and host machine must exchange a
secret key which forms the basis of the communication encryption. This exchange is
performed in a Trusted Mode maintaining security. The Trusted Mode can only be
entered by a physical access to the BV20. Please refer to Appendix XYZ for details.
5.3.4 Setup Example Drawing/s
Same scheme could be used as for SSP connection: