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Maximum Door Capacity | Two Door Controller SDC-220: 2 |
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Tag Holder Capacity | Two Door Controller SDC-220: 1 000 |
Robust Isolated RS-485 Reader Connection | Two Door Controller SDC-220: 4 |
Relay Outputs - Can Be Potential-Free or Powered | Two Door Controller SDC-220: 2 |
Digital Inputs | Two Door Controller SDC-220: 4 |
Wiegand Interface Connections | Two Door Controller SDC-220: 2 |
Offline Operation; Full Intelligence At Each Controller | Two Door Controller SDC-220: Yes |
Controller Offline Transaction Buffer Capacity | Two Door Controller SDC-220: 100 000 |
Robust Isolated RS-485 Bus Between Controllers With High Stability And Surge Protection | Two Door Controller SDC-220: No |
Onboard Communication Port | Two Door Controller SDC-220: TCP/IP |
Weatherproof Enclosure With Lockable Hinged Access Door | Two Door Controller SDC-220: Yes |
Integrated Power Supply | Two Door Controller SDC-220: 5A |
Battery Backup | Two Door Controller SDC-220: 7Ah |
Mains Monitoring With A Battery Charging Circuit And A Low-Voltage Cut Off | Two Door Controller SDC-220: Yes |
Rotary-Coded Address Switch For Easy Addressing | Two Door Controller SDC-220: No |
Diagnostic LEDs For Easy Testing | Two Door Controller SDC-220: Yes |