- Connecting dry contact into GST addressable system
- Loop powered
- Selectable input type N/O (default) or N/C by programmer
- Coding by handhold programmer P-9910
- Surface mount
FMM-101 is a miniature monitor module (a mere 1.3" (3.302 cm) H x 2.75" (6.985 cm) W x 0.5" (1.270 cm) D) used to supervise a Class B (Style B) circuit of dry-contact input devices.