1. Introduction
The GREATHTEK GHT-S7211H KVM Switch allows two computers to share one monitor, one set of keyboard and mouse, and other USB 2.0 peripherals. This device is designed to streamline your workspace by eliminating the need for multiple peripherals for each computer, enhancing efficiency and reducing clutter. It supports high-resolution video output up to 4K (3840x2160) at 30Hz, ensuring clear visual enjoyment.
2. Product Overview
2.1 Key Features
- 2-Port KVM Switch: Control two computers with a single set of keyboard, mouse, and monitor.
- High Resolution Support: Supports video resolutions up to 4K (3840x2160) at 30Hz for clear visual output.
- USB 2.0 Sharing: Features 4 USB 2.0 ports for sharing peripherals such as keyboards, mice, U-disks, scanners, and printers between connected computers.
- Easy Switching: Switch between connected computers using a simple push button on the device.
- Plug and Play: No driver installation required for basic functionality.
2.2 Package Contents
Image: Contents of the GREATHTEK KVM Switch package, including the KVM switch unit, user manual, warranty card, and two USB-B cables.
- 1x GREATHTEK GHT-S7211H KVM Switch
- 1x User Manual
- 1x Warranty Card
- 2x USB-B Cables
3. Setup Instructions
Follow these steps to connect your GREATHTEK KVM Switch:
Image: Detailed connection diagram for the KVM switch, showing inputs for two PCs (USB-B and HDMI) and outputs for a monitor (HDMI) and USB 2.0 peripherals.
- Connect PC1: Use one USB-B cable and one HDMI cable to connect your first computer (PC1) to the "USB" and "HDMI IN" ports labeled "PC1" on the KVM Switch.
- Connect PC2: Use the second USB-B cable and HDMI cable to connect your second computer (PC2) to the "USB" and "HDMI IN" ports labeled "PC2" on the KVM Switch.
- Connect Monitor: Use an HDMI cable to connect your monitor or TV to the "HDMI OUT" port on the KVM Switch.
- Connect Peripherals: Insert your keyboard and mouse into the dedicated USB 2.0 input ports on the front of the KVM switch. You can also connect other USB 2.0 devices like U-disks, printers, or gamepads to the remaining USB 2.0 ports.
- Power On: Ensure all connections are secure. The KVM switch typically draws power from the connected USB devices, but some setups might require an external 5V power adapter (not always included, check package contents).
3.1 Visual Setup Guide
Video: A visual demonstration of connecting an HDMI KVM Switch for 1 monitor and 2 computers, showing cable connections for PCs, monitor, and USB peripherals. This video is provided by UGREEN GROUP LIMITED, a seller of similar KVM switches, and illustrates the general connection method.
4. Operating Instructions
Operating the GREATHTEK KVM Switch is straightforward:
- Switching Computers: To switch between PC1 and PC2, simply press the "SWITCH" button located on the front panel of the KVM device. The LED indicators (PC1, PC2) will illuminate to show which computer is currently active.
- Peripheral Sharing: The connected keyboard, mouse, and other USB 2.0 devices will automatically switch to the selected computer.
Image: The front view of the KVM switch highlighting the 4 USB 2.0 ports for peripheral sharing and the switch button.
5. Maintenance
- Keep the device in a cool, dry place away from direct sunlight and heat sources.
- Clean the device with a soft, dry cloth. Avoid using liquid or aerosol cleaners.
- Ensure all cables are securely connected to prevent signal loss or intermittent functionality.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on monitor. | Loose HDMI cable connection; incorrect input selected on monitor; KVM switch not powered. | Check all HDMI cable connections. Ensure the monitor is set to the correct HDMI input. Verify the KVM switch has power (LEDs should be on). |
| Keyboard/Mouse not responding. | Loose USB cable connection; incorrect PC selected on KVM; incompatible peripheral. | Ensure USB cables from PCs to KVM are secure. Press the switch button to select the correct PC. Try connecting the peripheral directly to the PC to check compatibility. |
| Intermittent signal or flickering display. | Poor quality HDMI cable; cable length too long; power issue. | Use high-quality, shorter HDMI cables. Ensure the KVM switch is receiving stable power. |
| 4K resolution not achieved. | Monitor/PC does not support 4K@30Hz; HDMI cable not 4K compatible. | Verify your monitor and PC graphics card support 4K@30Hz. Use a certified high-speed HDMI cable. |
7. Specifications
- Model: GHT-S7211H
- Brand: GREATHTEK
- Product Dimensions: 16.5 x 15.5 x 2.5 cm
- Weight: 320 g
- Connectivity Protocol: USB, HDMI
- Switch Type: Push Button
- Material: Polycarbonate
- Supported Resolution: Up to 4K (3840x2160) @ 30Hz (as per product images)
- USB Ports: 4x USB 2.0 (for peripherals)
- PC Inputs: 2x HDMI IN, 2x USB-B (for PC connection)
- Monitor Output: 1x HDMI OUT
- Power: Typically USB powered (5V DC input may be required for high-power devices)
8. Warranty and Support
The GREATHTEK GHT-S7211H KVM Switch comes with a 2-year warranty from the date of purchase. For technical support, troubleshooting assistance, or warranty claims, please contact GREATHTEK customer service through the retailer where the product was purchased or visit the official GREATHTEK website for contact information.
Manufacturer Contact Information: Shenzhen, Guangdong 518109.CN
