Interlogix Simon XT Installation Manual - Manual (Page 12)

6 Simon XT Installation Manual
Hardware Capability
Phone line connection Allows the panel to communicate with the central monitoring
station and/or remote phone.
Inspect the package and contents for visible damage. If any components are
damaged or missing, do not use the unit; contact the supplier immediately. If you
need to return the unit, you must ship it in the original box.