| Brand | Siemens |
| Model Code | SI-DC12 |
| Series | Entro Series |
| Controller Type | Networkable |
| Max No. of Doors per Controller | 1 |
| Networkable | Yes |
| Communication Type | RS-485 |
| Universal / Wiegand Reader Interface | Yes |
| Electrical Specifications | Voltage: 8 ~ 40 V DC Power Consumption: 60 mA |
| Physical Specifications | Dimensions mm: 250 x 128 x 54 |
| Environmental Specifications | Operating Temp oC: -35 ~ +50 |
| Model Info | Connects on the local RS485 bus to SR34i or SR32i. Fits together with any card reader like mag.stripe, proximity, hands-free or keypads. Built in display for status and error information. |