Expandable to 124 doors.
| Make | Honeywell Security |
|---|---|
| Manufacturer | Honeywell |
| Model code | NX4S1 |
| Controller Type | Networkable |
| Max No. of Doors per Controller | 4 |
| Networkable | Yes |
| Communication Type | RS485, RS232 |
| Onboard No/Type of Inputs / Outputs | 4 |
| Physical Specifications | Dimensions mm: 607 x 450 x 102 |
| Environmental Specifications | Operating Temp oC: 0 ~ 49 |
| Additional info | Expandable to 124 doors. |