The SA/FC bus port on the front of the expansion module is an RJ-12, 6-position modular jack that provides a connection for devices on the SA bus or a ZFR183x Pro Wireless Router depending on which bus the expansion module is operating on.
The SA/FC bus port is connected internally to the SA/FC bus terminal block. See Communications bus and supply power wiring guidelines for more information about communication bus port functions, ratings and requirements. The SA/FC bus port pin assignment is shown in Physical features .
Figure 1. Pin number assignments for sensor, SA bus and FC bus ports on
expansion modules
