24 Supervised Input & 8 Relay Output Extension Board
| No | Item | Features |
| 1. | Supervised Inputs |
24 Able to detect line being bypassed, cut or triggered |
| 2. | Relay Output |
8 Relay Rating : 1A |
| 3. | On board surge suppressor | Yes |
| 4. | Power Requirement | 12V @ 2A |
| 5. | Communication to Base Board | RS485 |
| 6. | LED Indicator | Yes |
