Bosch D7412GV4 - Page 37

Specifications | en 37
Bosch Security Systens, Inc. UL Installation Guide 2016.07 | 04 | F.01U.291.483
Notification Appliance Circuit (NAC)
The control panels do not have an onboard NAC.
A D192G can be added to the control panel (or D8129/B308) and is Class B, Style W.