Your machine may be labeled SK160, but if it has the Electronic Carriage it has been upgraded to an SK860. Look for the round connection for a curl cord to connect the carraige to your electronics (EC1 | PE1 | PE10 | DesignaKnit).
To connect to Designaknit, the SilverLink 5 is needed along with a curl cord to connect the carriage to the SilverLink 5