Bosch B6512 Installation Manual page 59

Control Panels
Notice!
You do not need to install the EOL resistor for unused points (Point Index parameter set to 0
[zero]).
UL does not permit normally closed loops for commercial fire applications.
Notice!
Optionally use these points for household fire applications. You can connect four-wire
detectors to these points, for example.
Bosch Security Systems, Inc. Installation Manual
Off-board points | en 59
2017.04 | 15 | F.01U.287.180