DM-20 provides secure door control of up to four doors via encrypted communication and also contains two wiegand reader interfaces for use with 3rd party readers. A wide variety of I/O interfaces allows DM-20 to be a part of diverse system configurations.
Combined with a Suprema Device, DM-20 provides ability to design and implement a centralized access control system with up to 32 doors and up to 8 biometric devices through daisy chain configuration.
| Model Name | DM-20 | |
|---|---|---|
| HW | CPU | 32MHz |
| Memory | Flash 128KB, SRAM 20KB | |
| LED | Multi-color | |
| Operating Temperature | -20° ~ 60°C | |
| Storage Temperature | -40°C ~ 70°C | |
| Operating Humidity | 0% ~ 80%, non-condensing | |
| Storage Humidity | 0% ~ 90%, non-condensing | |
| Dimension (WxHxD, mm) | 130 x 90.5 x 35.8 | |
| Tamper | Not supported | |
| Certificates | CE, FCC, KC, RoHS, REACH, WEEE | |
| Interface | RS-485 | 1 ch |
| Wiegand | 2 ch | |
| TTL Input | 4 ch | |
| Relay | 4 relays | |
| RS-485 Communication Protocol | OSDP | |
| Supervised Input | 4 ch | |
| TTL Output | 6 ch | |
| Electrical | Power | DC 12 V |
