1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch. Designed for seamless network expansion, this switch offers high-speed connectivity without complex configuration. Please read this manual thoroughly before using the device and retain it for future reference.
2. Package Contents
Please verify that all items listed below are included in your package:
- 1 x keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch
- 1 x Power Adapter
- 1 x User Manual
3. Product Features
The keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch offers the following key features:
- 16 Gigabit Ethernet Ports: Provides 16 10/100/1000Mbps auto-negotiation RJ45 ports for high-speed wired connections.
- Energy-Efficient Design: Optimizes power consumption while significantly expanding network capacity.
- Silent Fanless Operation: Features a high heat dissipation metal casing and a fanless design, making it ideal for noise-sensitive environments.
- Flexible Installation: Supports both desktop placement and wall-mounting options.
- Plug and Play: Requires no software installation or complex configuration, ensuring easy setup and immediate use.
- Versatile Application: Suitable for home networks, small office/home office (SOHO) environments, and various network expansion needs.

Image: Overview of the keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch, highlighting its compact design, high-speed capabilities, energy efficiency, and stable connectivity.

Image: The switch can be placed on a desktop or mounted on a wall for flexible installation.
4. Setup
The keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch is designed for simple plug-and-play setup. Follow these steps to get your network running:
- Connect the Power Adapter: Plug the included power adapter into the switch's power port and then into a standard electrical outlet. The Power LED on the switch should illuminate.
- Connect Network Devices: Connect your network devices (e.g., computers, printers, IP cameras, routers) to any of the 16 RJ45 ports on the switch using standard Ethernet cables.
- Verify Connection: Once a device is connected, the corresponding Link/Act LED on the switch will light up, indicating an active connection. It will blink to show data activity.

Image: Simple plug-and-play setup process: connect power, connect devices, and the network is ready.

Image: Example of network expansion, connecting various devices to the switch for increased connectivity.
5. Operating Instructions
The keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch operates automatically. No manual configuration or software installation is required for its basic function.
- Power On/Off: Simply plug in the power adapter to turn the switch on. Unplug it to turn it off.
- LED Indicators:
- Power LED: Illuminates when the switch is powered on.
- Link/Act LEDs (per port):
- Solid Green: Indicates a stable network link at 1000Mbps.
- Solid Orange: Indicates a stable network link at 10/100Mbps.
- Blinking: Indicates data activity on that port.
- Off: No device is connected or the connected device is powered off.
- Auto-Negotiation: Each port automatically detects the speed (10/100/1000Mbps) and duplex mode (half/full) of the connected device.
- Auto MDI/MDIX: Eliminates the need for crossover cables, allowing you to connect devices using straight-through or crossover cables interchangeably.
6. Maintenance
To ensure optimal performance and longevity of your switch, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the switch. Do not use liquid or aerosol cleaners.
- Ventilation: Ensure that the ventilation slots on the switch are not blocked. Proper airflow is crucial for heat dissipation, especially given its fanless design.
- Environment: Place the switch in a cool, dry location, away from direct sunlight, heat sources, and excessive humidity.
- Cable Management: Keep network cables neatly organized to prevent tangles and accidental disconnections.

Image: The fanless design ensures silent operation and efficient heat dissipation, with specified operating and storage temperature ranges.
7. Troubleshooting
If you encounter issues with your keepLiNK switch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power LED indication. | Power adapter not connected or faulty. | Ensure the power adapter is securely connected to the switch and a working electrical outlet. Try a different outlet or adapter if available. |
| No Link/Act LED for a connected device. |
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| Slow network speed. |
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8. Specifications
Technical specifications for the keepLiNK 16-Port Gigabit Unmanaged Ethernet Switch:
| Brand | keepLiNK |
| Model Number | KP-9000-16G-AC-JP |
| Number of Ports | 16 |
| Data Transfer Rate | 1000 Mbps (Gigabit) |
| Interface | RJ45 |
| Switch Type | Unmanaged / Store-and-Forward |
| Casing Material | Metal |
| Color | Silver |
| Item Weight | 0.7 Kilograms |
| Operating Temperature | -10°C to 55°C (14°F to 131°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Origin | China |
9. Warranty and Support
Warranty: This keepLiNK product comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
Customer Support: For technical assistance, troubleshooting, or warranty claims, please contact keepLiNK customer support through the retailer where the product was purchased. Please have your product model number (KP-9000-16G-AC-JP) and proof of purchase ready when contacting support.