Akuvox R28 is a SIP-compliant, hands-free and video door phone.
It can be connected with Akuvox indoor monitors for remote access
controlling and monitoring. Users can communicate with visitors via
audio and video calls, and unlock the door if they need. Users can
also use RFID cards to unlock the door (R28A only). It is applicable
in apartments, offices and so on.
1.2. Connector Introduction
Ethernet (POE): Ethernet (POE) connector which it can provide
both power and network connection.
12V/GND: External power supply terminal if POE connector is not
available.
RS485A/B: RS485 terminal.
Figure 1.2-1 R28’s interface
Figure 1.1 Product description
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