R26/R23 Series
Admin Guide
1.2. Connector Introduction
Ethernet (POE): Ethernet (POE) connector, which can provide both
power and network connection.
12V/GND: External power supply terminal if POE is not available.
RS485A/B: RS485 terminal.
DOORA/B: Trigger signal input terminal.
RelayA/B (NO/NC/COM): Relay control terminal.
Note: The general door phone interface diagram is only for
reference.
Figure 1.2-2 General interface
Figure 1.2-1 R26/R23’s interface