Description
The Rhombus DC20 Door Controller is the backbone of Rhombus Access Control. It manages up to four doors from a single unit, connecting to DR20 readers, DR40 video intercoms, or certified third-party readers using OSDP protocol. Cloud-managed permissions let you lock, unlock, and schedule doors from anywhere. The DC20 continues operating during network or power outages with onboard decision-making and battery backup support. Manage credentials, view entry logs, and configure lockdown procedures from the Rhombus console. Requires a door license per door (sold separately).
Dimensions: 330mm x 313mm x 113mm (13.0in x 12.3in x 4.4in).
Door relays: 4. Auxiliary relays: 2. Inputs: 4 REX, 4 DPI (supervised), 1 AUX (unsupervised).
Connectivity: Ethernet 10/100Mbps RJ45.
Reader compatibility: Rhombus DR20, DR40, OSDP third-party readers via RS-485, Wiegand.
In the box: module, enclosure, and power cables.
Compliance: FCC, CE, UL.
Warranty: 10 years.
