HOCHIKI FNP1127US00RS120 Analog Addressable 1 Loop No Dialer Not Expandable RedThe basic FireNET 2127 4127 control panel includes two SLC (Signaling Line Circuit) loops. Each loop is capable of supporting 127 analog addressable points (can be any combination of sensors and modules) for a total of 254 analog addressable points on the basic panel. Two additional SLC loops can be added to the panel increasing the analog addressable point capacity to 508. When analog sounder bases are used, the upper addresses 128 254 are allocated