5 Door Extension Board
| No | Item | Features |
| 1. | Max Door | 5 |
| 2. | Relay Output |
8 (5 for Door Relay + 3 General Purpose) Relay Rating : 1A |
| 3. | Sensor Input | 16 |
| 4. | On Board Surge Suppressor | Yes |
| 5. | Power Requirement | 12V @ 5A |
| 6. | Communication to Base Board | RS485 |
| 7. | LED Indicator | Yes |
