ATEN VS481C
Manuale utente dello switch HDMI True 4K a 4 porte ATEN VS481C
Model: VS481C
1. Introduzione
The ATEN VS481C is a 4-Port True 4K HDMI Switch designed to connect up to four HDMI source devices to a single HDMI display. It supports True 4K resolutions (4096 x 2160 @ 60Hz 4:4:4), 18 Gbps data rates, 3D, Deep Color up to 12-bit, and HD lossless audio formats. This device offers reliable video transmission and flexible control options for various applications.
2 Caratteristiche
- Allows up to 4 HDMI sources to be connected to one HDMI display.
- HDMI 2.0 compliant (supports 3D, Deep Color, 4K).
- Conforme a HDCP 2.2.
- Superior video quality with True 4K resolutions of 4096 x 2160 @ 60 Hz (4:4:4).
- Built-in bi-directional RS-232 serial port for high-end system control.
- Supports Auto Switching modes for automatic port selection.
- Features Instant Switching for smooth video transitions.
- Includes IR for remote device control.
3. Contenuto della confezione
La confezione deve contenere i seguenti elementi:
- 1x ATEN VS481C 4-Port True 4K HDMI Switch
- 1x adattatore di alimentazione
- Telecomando IR 1x
- 1x ricevitore IR
- 1x Istruzioni per l'uso
Nota: In caso di articoli mancanti o danneggiati, contattare immediatamente il rivenditore.
4. Prodotto finitoview
4.1. Pannello frontale
The front panel of the VS481C features input selection buttons and status indicators.

Figura 1: Front Panel of the ATEN VS481C HDMI Switch. This image displays the front of the black HDMI switch, highlighting the four input selection buttons labeled 1 through 4, an HDMI input port labeled "HDMI IN 4", and the ATEN logo. An IR receiver window is also visible on the right side.
- Input Selection Buttons (1-4): Press to manually select the corresponding HDMI input source.
- LED di stato degli ingressi: Indica quale ingresso HDMI è attualmente attivo.
- Finestra ricevitore IR: Receives signals from the included IR remote control.
- HDMI IN 4 Port: An additional HDMI input port located on the front for convenient access.
4.2. Pannello posteriore
The rear panel provides the main connectivity ports for power, HDMI inputs, HDMI output, and control interfaces.

Figura 2: Rear Panel of the ATEN VS481C HDMI Switch. This image shows the back of the black HDMI switch, featuring the DC power input, HDMI output port, HDMI input ports 1-3, and an RS-232 serial port for advanced control.
- Presa di alimentazione CC: Si collega all'adattatore di alimentazione fornito.
- Porta di uscita HDMI: Connects to your HDMI display (e.g., TV, monitor, projector).
- HDMI Input Ports (1-3): Connects to your HDMI source devices (e.g., Blu-ray player, game console, PC).
- Porta RS-232: For serial control from a computer or control system.
4.3. Dimensions and Scale
The ATEN VS481C is a compact device, designed to fit easily into various setups.

Figura 3: ATEN VS481C Size Comparison. This image illustrates the compact dimensions of the HDMI switch, showing it in relation to a human figure, with a width measurement of 3.3 inches (8 cm) indicated.
5. Installazione hardware
Follow these steps to install your ATEN VS481C HDMI Switch:
- Spegnimento dei dispositivi: Ensure all devices, including the HDMI sources and the display, are powered off and unplugged.
- Collegamento dell'uscita HDMI: Connect one end of an HDMI cable to the HDMI Output port on the VS481C and the other end to the HDMI input of your display device.
- Collegare gli ingressi HDMI: Connect your HDMI source devices (e.g., Blu-ray player, game console, PC) to the HDMI Input ports (1-4) on the VS481C using HDMI cables.
- Connetti alimentazione: Plug the provided power adapter into the DC Power Jack on the VS481C, then plug the adapter into an AC power outlet.
- Accendi i dispositivi: Power on your display device first, then power on your HDMI source devices. The VS481C will power on automatically when connected to power.
- Verifica connessione: The active input LED on the front panel will illuminate, and the video from the selected source should appear on your display.
Nota: For optimal performance, use high-quality HDMI 2.0 certified cables, especially for 4K resolutions and longer cable runs.
6. Funzionamento
The ATEN VS481C offers multiple methods for switching between HDMI input sources.
6.1. Front Panel Pushbuttons
To switch inputs using the front panel:
- Simply press the corresponding input selection button (1, 2, 3, or 4) on the front panel to switch to the desired HDMI source.
- The LED for the selected input will light up.
6.2. Telecomando IR
Use the included IR remote control to switch inputs from a distance:
- Point the IR remote control towards the IR Receiver Window on the front panel of the VS481C.
- Press the button corresponding to the desired input (1, 2, 3, or 4) on the remote.
Nota: Assicurarsi che non vi siano ostacoli tra il telecomando e il ricevitore IR.
6.3. RS-232 Serial Control
For advanced control and integration into a control system, the VS481C can be controlled via its bi-directional RS-232 serial port. Refer to the detailed RS-232 command set in the complete user manual for specific commands and protocols.
- Baud Rate: 19200 bps
- Bit di dati: 8
- Bit di stop: 1
- Parità: Nessuno
- Controllo del flusso: Nessuno
Example command to switch to input 1: sw i01
6.4. Auto Switching Modes
The VS481C supports automatic switching features:
- Scansione automatica: The switch can automatically scan for active HDMI sources and switch to the first detected active input.
- Cambio automatico: When the currently active source is turned off, the switch can automatically detect and switch to the next available active source.
Refer to the full user manual for instructions on enabling and configuring these auto-switching modes, typically done via RS-232 commands or specific button combinations.
7. Manutenzione
To ensure the longevity and optimal performance of your ATEN VS481C HDMI Switch, follow these maintenance guidelines:
- Pulizia: Utilizzare un panno morbido e asciutto per pulire l'esterno del dispositivo. Non utilizzare detergenti liquidi o spray.
- Ventilazione: Assicurarsi che il dispositivo sia posizionato in un'area ben ventilata per evitare il surriscaldamento. Non ostruire le aperture di ventilazione.
- Ambiente: Avoid exposing the device to extreme temperatures, humidity, or direct sunlight. Keep it away from sources of vibration or shock.
- Gestione dei cavi: Assicurarsi che tutti i cavi siano collegati saldamente e non sottoposti a sollecitazioni. Evitare di piegare bruscamente i cavi.
- Energia: Utilizzare sempre l'adattatore di alimentazione fornito. Scollegare l'alimentazione durante i temporali o quando non si utilizza il dispositivo per lunghi periodi.
8. Risoluzione Dei Problemi
If you encounter issues with your ATEN VS481C, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessuna uscita video sul display. |
|
|
| Video flickering or intermittent signal. |
|
|
| Il telecomando a infrarossi non funziona. |
|
|
| Auto switching not functioning as expected. |
|
|
9. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Numero di modello | VS481C |
| Marca | ATEN |
| Ingressi | 4 x HDMI tipo A femmina |
| Produzione | 1 x HDMI tipo A femmina |
| Porte di controllo | 1 x RS-232 (DB-9 Female), 1 x IR Receiver Jack |
| Risoluzione video | Up to True 4K (4096 x 2160 @ 60Hz 4:4:4) |
| Velocità dati | 18 Gbps |
| Conformità HDMI | HDMI 2.0 (3D, Deep Color, 4K) |
| Conformità HDCP | Conformità HDCP 2.2 |
| Supporto audio | Formati audio HD senza perdita di dati |
| Dimensioni (L x P x A) | 20 x 8.2 x 2.5 pollici (circa 50.8 x 20.8 x 6.35 cm) |
| Peso | 1.82 libbre (circa 0.82 kg) |
Nota: Specifications are subject to change without notice. For the most up-to-date information, please refer to the official ATEN webdocumentazione del sito o del prodotto.
10. Garanzia e supporto
ATEN products are designed for reliability and performance. For information regarding warranty coverage and technical support, please refer to the following:
- Informazioni sulla garanzia: ATEN provides a standard warranty for its products. Details regarding the warranty period and terms can be found on the official ATEN websito o nella scheda di garanzia inclusa con il prodotto.
- Supporto tecnico: For technical assistance, troubleshooting, or product inquiries, please visit the official ATEN support website or contact their customer service. ATEN aims to respond to customers within 4 hours for support inquiries.
- Extended Services: Extended warranty services and variable value-added service packages may be available. Contact ATEN or your authorized dealer for more information.
- Localized Repair: ATEN offers localized repair centers for RMA (Return Merchandise Authorization) service.
Puoi trovare maggiori informazioni e recapiti sul sito Negozio ufficiale ATEN.
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