Introdução
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Akuvox R28A IP Video Intercom. The R28A is a wall-mounted video intercom system featuring a main body, keypad, and card reader, designed for secure and convenient access control and communication.

Figura 1: Frente view of the Akuvox R28A IP Video Intercom. This image displays the device's camera, integrated display screen, and illuminated numeric keypad, along with the Akuvox logo at the bottom.
Configuração e instalação
The Akuvox R28A is designed for wall-mounted installation. Proper setup ensures optimal performance and security.
1. Conteúdo da embalagem
- Akuvox R28A Main Unit
- Suporte de montagem
- Parafusos e âncoras de parede
- Conectores de fiação
- Guia de início rápido
2. Montagem do dispositivo
- Select a suitable wall location, ensuring it is at an appropriate height for user interaction and camera visibility.
- Utilize o suporte de montagem como gabarito para marcar os pontos de perfuração na parede.
- Faça furos e insira buchas de parede, se necessário.
- Fixe o suporte de montagem na parede utilizando os parafusos fornecidos.
- Connect necessary cables (Ethernet for network and PoE, or separate power supply and network cable) to the R28A unit.
- Carefully attach the R28A unit to the mounted bracket, ensuring it clicks securely into place.

Figura 2: Lateral view of the Akuvox R28A IP Video Intercom. This image highlights the device's slim profile and how it sits flush against a wall when mounted, indicating its suitability for wall installation.
3. Conexão de rede e energia
The R28A supports Power over Ethernet (PoE) for simplified installation. If PoE is not available, a separate 12V DC power adapter (not included) is required.
- Conexão PoE: Connect an Ethernet cable from a PoE-enabled switch or injector to the R28A's LAN port.
- Conexão sem PoE: Connect an Ethernet cable from your network switch/router to the R28A's LAN port. Connect a 12V DC power adapter to the power input port.
4. Configuração inicial
Upon first power-up, the device will obtain an IP address via DHCP. You can access the device's web interface for detailed configuration using its IP address. Refer to the Quick Start Guide for default login credentials.
Instruções de operação
The Akuvox R28A offers multiple methods for communication and access control.

Figura 3: Angulado view of the Akuvox R28A IP Video Intercom. This perspective highlights the user interface, including the touch display with menu options and the backlit keypad, demonstrating its interactive capabilities.
1. Fazendo uma ligação
- Call by Room Number: On the display, select "Call: Room Number +" and enter the desired room number using the keypad, then press the call button (green phone icon).
- Call from Contacts: Select "Contacts" on the display. Use the up/down arrows on the keypad to navigate through the contact list, then press the call button to initiate a call.
2. PIN Entry for Access
If configured, access can be granted by entering a valid PIN code.
- Select "PIN Entry" on the display.
- Enter your designated PIN using the keypad.
- Press the '#' key after entering the PIN to confirm.
3. Card Reader Usage
The R28A includes an integrated card reader for convenient access.
- Present your registered RFID access card or fob to the card reader area (indicated by the NFC/RFID symbol on the display).
- A successful read will typically be indicated by an audible tone and/or a visual confirmation on the display, granting access.
4. Accessing Security Center
The "Security Center" option on the display may provide access to additional security functions or direct communication with a central security desk, depending on system configuration.
- Select "Security Center" on the display.
- Press the call button to connect.
Manutenção
Regular maintenance ensures the longevity and optimal performance of your Akuvox R28A intercom.
1. Limpeza
- Use um pano macio e macioamp cloth to clean the display and keypad.
- Avoid abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface.
- Não borrife líquidos diretamente no dispositivo.
2. Atualizações de software
Periodically check the Akuvox official website for firmware updates. Updates can provide new features, performance improvements, and security enhancements. Refer to the device's web interface for instructions on applying firmware updates.
Solução de problemas
This section addresses common issues you might encounter with your Akuvox R28A intercom.
| Problema | Possível causa | Solução |
|---|---|---|
| Device has no power/display is off. | Sem alimentação elétrica; cabo defeituoso; problema com o PoE. | Check power connection (PoE or DC adapter). Ensure cables are securely connected. Verify PoE switch/injector is active. |
| Não consigo fazer nem receber chamadas. | Network connectivity issue; incorrect SIP registration; firewall blocking. | Check network cable connection. Verify network settings (IP address, gateway, DNS). Ensure SIP account is correctly registered in the device's web interface. Check firewall rules. |
| Card reader not working. | Card not registered; faulty card; reader malfunction. | Ensure the access card is properly registered in the system. Try a different, known-working card. Contact support if issue persists. |
| Teclado não responde. | Falha de software; dano físico. | Restart the device by power cycling. Inspect for any visible physical damage. |
If the problem persists after attempting these solutions, please contact Akuvox technical support or your system integrator.
Especificações
Key technical specifications for the Akuvox R28A IP Video Intercom.
- Modelo: R28A
- ASIN: B081YY12Z1
- Language (Manual): Inglês
- Tipo: Intercomunicador de vídeo IP
- Montagem: Montado na parede
- Mostrar: Integrated touch display (specific size/resolution not provided in source, but implied by images)
- Teclado: Numeric, backlit physical keypad
- Leitor de cartão: Integrated RFID/NFC reader
- Câmera: Integrated camera (specific resolution not provided in source)
- Poder: PoE (Power over Ethernet) ou 12V DC (adaptador não incluído)
- Rede: Ethernet (RJ45)
- Material: Metal casing (implied by images)
Garantia e Suporte
Akuvox products typically come with a standard manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Akuvox webConsulte o site para obter os termos e condições detalhados da garantia específicos para a sua região.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact your authorized Akuvox dealer or visit the Akuvox official support portal:





