Nortec LINKS 2 SETC B+ - Manual (Page 19)

15 | Links 2 Retrofit for GSTC / SETC B+, NHTC, NHRS
d Connect the ribbon cable 20 pin side to the Logic Card.
Figure 19: 20 Pin Connection for Ribbon Cable
e Configured dipswitch settings according to MODE1 printed on card (485<>TTL).
Figure 20: Dipswitch Settings for Logic Card
20 pin connection