Produkt overview
The R28A Video Doorphone is designed to provide a secure and efficient access control solution for various premises. It combines video and audio communication capabilities with a robust, vandal-resistant design and a numeric keypad for secure entry.

Figur 1: Front view of the R28A Video Doorphone, showing the camera, speaker/microphone array, display screen with call options, NFC/RFID reader area, and numeric keypad.
Nøglefunktioner
- Vandal-Resistant Body with Numeric Keypad: Ensures durability and secure PIN code entry.
- Vidvinkelkamera: 116° (H) x 60° (V) viewing angle for comprehensive entrance coverage.
- PoE Support (IEEE802.3af): Simplifies installation by delivering power and data over a single Ethernet cable.
- To-vejs lydkommunikation: Clear conversations with echo cancellation.
- IP-Based Connectivity: Integrates seamlessly with modern IP security infrastructures.
- SIP Compliant: Compatible with SIP-enabled PBX systems.
Pakkens indhold
Upon opening the package, verify that all items are present and undamaged. The standard package includes:
- R28A Video Doorphone Unit
- Monteringsbeslag
- Installationsskruer og vægankre
- Hurtig startvejledning
Note: Specific accessories may vary. Refer to the packing list for exact contents.
Opsætning og installation
1. Valg af sted
Choose a suitable location for installation, typically near an entrance. Ensure the area is protected from direct harsh weather conditions if not rated for extreme outdoor use. The camera should have an unobstructed view of the visitor's face.
2. Montering af enheden
- Fastgør monteringsbeslaget til væggen med de medfølgende skruer og ankre. Sørg for, at det er i vater og fastgjort.
- Connect the Ethernet cable to the PoE port on the back of the R28A unit.
- Carefully align the R28A unit with the mounting bracket and slide it into place until it clicks securely.
- Secure the unit to the bracket using any retaining screws, if applicable.
3. Netværksforbindelse og strøm
Connect the Ethernet cable from the R28A to a PoE-enabled network switch or PoE injector. The device will power on automatically. If not using PoE, connect a 12V DC power adapter (not included) to the power input port and connect the Ethernet cable to a standard network switch.
4. Indledende konfiguration
Få adgang til enhedens web interface via its IP address. The default IP address can usually be found using a network scanner tool or by checking the device's display if available. Log in with the default administrator credentials (refer to the Quick Start Guide for default username and password). Configure network settings, SIP accounts, and access control parameters as required.
Betjeningsvejledning
1. Foretagelse af et opkald
To initiate a call, visitors can use the numeric keypad to dial a specific room number or extension. Alternatively, they can browse the contact list on the display screen (if configured) and select a recipient.
- Dialing a Room Number: Enter the room number using the keypad, then press the Ring knap (ofte repræsenteret af et telefonikon).
- Using Contacts: If enabled, navigate through the contact list using the up/down arrow keys on the keypad or touch screen, then press the Ring knappen for at forbinde.
- Calling Security Center: Press the dedicated Security Center button on the display (if available) to directly connect to the building's security or reception.
2. Tildeling af adgang
Access can be granted in several ways:
- Fjernoplåsning: During a call, the resident can press a designated key on their indoor monitor or SIP phone to remotely unlock the door.
- PIN Code Entry: Authorized users can enter a pre-configured PIN code on the numeric keypad, followed by the # key, to unlock the door.
- RFID/NFC-kortadgang: Present a registered RFID card or NFC-enabled device to the designated reader area on the doorphone to gain access.
3. Tovejskommunikation
The R28A supports full-duplex two-way audio communication with echo cancellation, ensuring clear conversations between the visitor and the resident.
Opretholdelse
Regular maintenance ensures optimal performance and longevity of your R28A Video Doorphone.
- Rensning: Brug en blød, damp cloth to clean the display screen and the body of the unit. Avoid abrasive cleaners or solvents that could damage the surface.
- Firmwareopdateringer: Kontroller jævnligt producentens webwebsted for firmwareopdateringer. Ved at holde firmwaren opdateret sikrer du adgang til de nyeste funktioner, sikkerhedsrettelser og forbedringer af ydeevnen.
- Kabelinspektion: Annually inspect all connected cables for any signs of wear, damage, or corrosion.
- Miljøtjek: Ensure the installation environment remains within the recommended operating temperature and humidity ranges.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm/Enheden tænder ikke | No PoE power; Faulty power adapter; Loose cable connection. | Verify PoE switch is active; Check power adapter and outlet; Ensure Ethernet cable is securely connected. |
| Intet video-feed | Network issue; Camera malfunction; Incorrect configuration. | Check network connectivity; Restart the device; Verify camera settings in the web interface. |
| Ingen lyd under opkald | Microphone/speaker issue; Network latency; SIP configuration error. | Check audio settings; Ensure stable network connection; Verify SIP audio codecs and settings. |
| Døren låser ikke op | Incorrect PIN/card; Wiring issue to lock; Lock mechanism fault. | Verify PIN/card is registered; Check wiring to electric lock; Test lock mechanism independently. |
Hvis problemet fortsætter efter at have forsøgt disse løsninger, bedes du kontakte teknisk support.
Specifikationer
| Feature | Detalje |
|---|---|
| Model | R28A |
| Kamera | Wide-Angle (116° H x 60° V) |
| Tastatur | Numerisk tastatur |
| Strømforsyning | PoE (IEEE802.3af) or 12V DC |
| Lyd | Two-Way with Echo Cancellation |
| Forbindelse | IP-Based, SIP Compliant |
| Holdbarhed | Vandal-Resistant Body |
| Fabrikant | Akuvox |
Garantioplysninger
The R28A Video Doorphone comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Akuvox webwebstedet for detaljerede vilkår og betingelser vedrørende garantidækning, varighed og reklamationsproces.
Typically, the warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
Kundesupport
For technical assistance, troubleshooting, or product inquiries, please contact Akuvox customer support through the following channels:
- Webwebsted: Visit the official Akuvox website for FAQs, support documentation, and contact forms.
- E-mail: Refer to your product documentation for the specific support email address.
- Telefon: Contact numbers for regional support may be available on the Akuvox webwebsted.
When contacting support, please have your product model (R28A) and serial number ready to expedite the process.



