The CTA 160i provides an interface between a desktop PC to the Norstar system. The CTA 160i automatically determines correct settings, eliminating the need to set dip switches. The CTA 160i is an excellent alternative for customers who prefer the aesthetics of an internal solution and for anyone that does not have an available serial or USB port on their PC. The CTA160i package includes: CTA160i device Norstar Personal Productivity Suite all necessary cables CTA 160i is compatible with the following systems: 3x8 DR5.1 616 DR5.1 824 DR5, 5.1 CICS 1.0 & higher MICS 1.0 & higher