Specifications

Cable Connections
Installation Handbook, Autroprime Interactive Fire Detection System, 116-P-APRIME-INSTALL/DGB Rev. E, 2011-08-16,
Autronica Fire and Security AS
Page 43
9.12 Ground Fault
A) Normal situation, there shall be approximately 12VDC between
GND and 0V.
B) Ground fault to +24V, if there is less than 50kohm between GND
and +24V.
C) Ground fault to 0V, if there is less than 50kohm between GND
and 0V.