BOSCH FLM-325-2I4The FLM3252I4 Dual Input Monitor Module provides two independent contact monitoring circuits while only utilizing one address on the SLC loop. The module can be programmed to monitor Normally Open (NO) or Normally Closed (NC) dry contact types of fire alarm and supervisory devices such as pull stations or water flow devices. It fits into a standard 4inch square or doublegang electrical back box.