Alxum SJW-KM201B
Alxum 2-in-1 Out 4K HDMI KVM Switch User Manual
Model: SJW-KM201B
Introducción
The Alxum 2-in-1 Out 4K HDMI KVM Switch allows you to control two computers using a single set of keyboard, mouse, and monitor. This device supports 4K@60Hz resolution, 5Gbps USB 3.0 data transfer, and offers dual switching modes for efficient workflow management. It is compatible with Windows, macOS, and Linux operating systems.
Contenido del paquete

Image: Contents of the Alxum 2-in-1 Out 4K HDMI KVM Switch package.
- 1 x Alxum 2-in-1 Out 4K HDMI KVM Switch (Model: SJW-KM201B)
- Controlador de mano 1 x
- 1 adaptador de corriente de 5 V 2 A
- 2 x USB 3.0 A to USB A Cables
- 1 x Manual de usuario en inglés
Producto terminadoview y puertos
Familiarize yourself with the KVM switch's ports and indicators before setup.

Imagen: delantera y trasera view of the Alxum KVM Switch with labeled ports and connections.
- Panel frontal:
- Botón INTERRUPTOR: Press to switch between PC1 and PC2.
- PC1/PC2 LED Indicators: Show which computer is currently selected.
- EXTEND Port: For connecting the handheld controller.
- USB 1-4 Ports (USB 3.0): For connecting keyboard, mouse, USB drives, printers, etc.
- Panel trasero:
- HDMI 1 IN / HDMI 2 IN: Connect to the HDMI output of PC1 and PC2 respectively.
- USB 1 / USB 2 (PC IN): Connect to the USB 3.0 ports of PC1 and PC2 respectively. These transmit USB data for shared peripherals.
- SALIDA HDMI: Conéctese a su monitor.
- Puerto DC 5V: Conecte el adaptador de corriente 5 V 2 A incluido.
Instrucciones de instalación
- Conexión de energía: Connect the included 5V 2A power adapter to the DC 5V port on the KVM switch and plug it into a power outlet. This is essential for stable performance, especially with high-power USB devices.
- Conexión del monitor: Conecte su monitor a la SALIDA HDMI port on the KVM switch using an HDMI cable. Ensure your monitor supports 4K resolution if you intend to use 4K@60Hz.
- Computer 1 Connection:
- Connect an HDMI cable from your first computer's HDMI output to the ENTRADA HDMI 1 puerto en el conmutador KVM.
- Connect one of the included USB 3.0 A to A cables from your first computer's USB 3.0 port to the USB 1 (entrada de PC) puerto en el conmutador KVM.
- Computer 2 Connection:
- Connect an HDMI cable from your second computer's HDMI output to the ENTRADA HDMI 2 puerto en el conmutador KVM.
- Connect the second included USB 3.0 A to A cable from your second computer's USB 3.0 port to the USB 2 (entrada de PC) puerto en el conmutador KVM.
- Conexión Periférica: Connect your keyboard, mouse, USB drives, printer, or other USB peripherals to the USB 1-4 ports on the front panel of the KVM switch.
- Handheld Controller (Optional): Connect the handheld controller to the EXTENDER port for remote switching.
- Encendido inicial: Once all connections are secure, power on your computers. The KVM switch is plug-and-play; no drivers are required.

Image: The KVM switch connected to a laptop and a desktop, demonstrating plug-and-play setup and compatibility with Windows, Mac, and Linux.
Instrucciones de funcionamiento
The Alxum KVM switch offers two methods for switching between connected computers:
- Botón del panel frontal:
Presione el CAMBIAR button on the front panel of the KVM device to toggle between PC1 and PC2. The corresponding LED indicator (PC1 or PC2) will illuminate to show which computer is active.
- Controlador portátil:
If connected, press the button on the handheld controller to switch between PC1 and PC2. This provides convenient remote switching.

Image: Demonstrates switching between computers using the device button and the handheld controller. Note: All ports for PC1 and PC2 must be connected for LED indicators to light up.
Nota importante: When switching between computers, there may be a brief delay (2-3 seconds) for the display to synchronize. This is normal operation for KVM switches.
Características principales
- Resolución 4K Ultra HD: Supports resolutions up to 3840x2160@60Hz, HDCP, and HDMI 2.0/1.4 for clear and vibrant visuals. A 4K-compatible HDMI cable and monitor are recommended for optimal performance.
- Ultra-Fast USB 3.0 Data Transfer: Features USB 3.0 ports with speeds up to 5Gbps, allowing quick transfer of large files and efficient use of peripherals. Backward compatible with USB 2.0 devices.
- Modos de conmutación duales: Seamlessly switch between two computers using either the button on the KVM device or the included handheld remote control.
- Simplicidad plug-and-play: No driver installation required. The device is ready to use upon connection.
- Built-in ESD Protection: Integrated Electrostatic Discharge (ESD) protection helps prevent damage to connected equipment, ensuring system safety.
- Automatic Signal Optimization: Ensures stable and flicker-free visuals across different devices.
- Indicadores LED: Provide clear status updates on which computer is currently active.
- Amplia compatibilidad: Works with Windows, macOS, and Linux operating systems.

Image: Comparison of display resolutions, highlighting the 4K Ultra HD capability of the KVM switch.

Image: Illustration of 5Gbps high-speed file Transferencia a través de puertos USB 3.0.

Image: Diagram detailing the built-in ESD protection circuit and its various safety features.
Presupuesto
| Característica | Especificación |
|---|---|
| Número de modelo | SJW-KM201B |
| Dimensiones del producto | 14 x 6 x 2 cm |
| Peso | 460 gramos |
| Material | Aluminio |
| Entrada de vídeo | 2 x HDMI (HDMI 2.0/1.4, HDCP) |
| Salida de vídeo | 1 x HDMI |
| Resolución máxima | 4K@60Hz (3840x2160@60Hz) |
| Puertos de datos USB | 4 x USB 3.0 (up to 5Gbps) |
| USB PC Input | 2 x USB 3.0 A to A |
| Modos de conmutación | Button on device, Handheld Controller |
| Adaptador de corriente | 5 V CC, 2 A |
| Vol de funcionamientotage | 5 voltios |
| Calificación actual | 2 Amps |
| Sistema operativo compatible | Windows, macOS, Linux |
| Certificaciones | Certificaciones CE, FCC y UL |
| País natal | Porcelana |
Solución de problemas
- Sin pantalla/Pantalla parpadeante:
- Ensure all HDMI cables are securely connected and are 4K compatible if using 4K resolution.
- Verify the KVM switch is powered by the included 5V 2A adapter.
- Check if the monitor input is set to the correct HDMI port.
- Try restarting the KVM switch and both connected computers.
- Remove any transparent protective film from the KVM switch if present, as it can affect display quality.
- El teclado y el mouse no responden:
- Ensure the USB 3.0 A to A cables are securely connected from both computers to the KVM switch's PC IN ports.
- Intente conectar el teclado/mouse directamente a la computadora para confirmar que funcionan.
- Connect the keyboard/mouse to different USB ports on the KVM switch.
- Some specialized gaming keyboards/mice may require direct connection to the computer or specific drivers.
- Dispositivos USB no detectados:
- Confirm the KVM switch is powered by the 5V 2A adapter, especially for high-power USB devices like external hard drives.
- Ensure the USB 3.0 A to A cables are correctly connected to both computers.
- Intente conectar el dispositivo USB a un puerto USB diferente en el conmutador KVM.
- Retardo de conmutación:
- A brief delay (2-3 seconds) during switching is normal as the display and USB connections re-establish.
- If the delay is excessive, check cable quality and ensure all connections are firm.
- KVM Switch Not Working After Some Time:
- Perform a power cycle: Disconnect the power adapter from the KVM switch, wait 10 seconds, then reconnect.
- Ensure the KVM switch is placed in a well-ventilated area to prevent overheating.
Mantenimiento
- Limpieza: Use a soft, dry cloth to clean the surface of the KVM switch. Avoid using liquid cleaners or abrasive materials.
- Almacenamiento: Guarde el dispositivo en un lugar fresco y seco, alejado de la luz solar directa y de temperaturas extremas.
- Sistema de organización de cables: Ensure cables are not excessively bent or tangled to prevent damage and maintain signal integrity.
- Fuente de alimentación: Always use the original 5V 2A power adapter provided with the device to ensure proper operation and prevent damage.
Garantía y soporte
The Alxum 2-in-1 Out 4K HDMI KVM Switch (Model SJW-KM201B) comes with a Garantía de 1 años a partir de la fecha de compra.
For technical support, troubleshooting assistance, or warranty claims, please contact Alxum customer service. You can typically find contact information on the Alxum official websitio o a través del minorista donde se compró el producto.
When contacting support, please have your product model number (SJW-KM201B) and purchase details ready.
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