D-Link DGS-1008D/B

D-Link 8-Port Gigabit Green Ethernet Switch User Manual

Model: DGS-1008D/B | Brand: D-Link

1. Product Overview

The D-Link DGS-1008D/B is an 8-port 10/100/1000Mbps Gigabit Ethernet Switch designed for small office and home office (SOHO) environments. This unmanaged switch provides a simple, cost-effective, and high-performance solution for expanding your network. It features Green Ethernet technology for energy efficiency and supports plug-and-play installation, requiring no configuration.

Key features include 8 Gigabit Ethernet ports, auto-negotiation for speed and duplex mode, and auto-MDI/MDIX for easy cable connection. Its compact design and silent operation make it ideal for desktop placement.

D-Link DGS-1008D/B 8-Port Gigabit Switch, top view

Figure 1: Top view of the D-Link DGS-1008D/B 8-Port Gigabit Green Ethernet Switch, showing the D-Link logo and a single green LED indicator.

2. Package Contents

Please verify that your package contains the following items:

D-Link DGS-1008D/B 8-Port Gigabit Green Ethernet Switch
Power Adapter (5V 1A)
Quick Installation Guide (This User Manual)

If any of the above items are missing or damaged, please contact your local D-Link reseller for replacement.

3. Setup and Installation

The DGS-1008D/B is a plug-and-play device, meaning no software configuration is required for basic operation. Follow these steps to set up your switch:

Placement: Place the switch on a flat, stable surface, or mount it on a wall using the integrated mounting holes. Ensure adequate ventilation around the device.
Connect Power: Connect the provided power adapter to the power input port on the switch and then plug the adapter into a standard electrical outlet. The Power LED on the front of the switch should illuminate.

D-Link DGS-1008D/B 8-Port Gigabit Switch, power input

Figure 2: Side view of the D-Link DGS-1008D/B, highlighting the 5V 1A power input port.

Connect Network Devices: Connect your network devices (e.g., computers, network printers, network-attached storage, routers) to any of the 8 Ethernet ports on the switch using standard Ethernet cables (Cat5e or higher recommended for Gigabit speeds).

D-Link DGS-1008D/B 8-Port Gigabit Switch, rear view with Ethernet ports

Figure 3: Rear view of the D-Link DGS-1008D/B, showing the eight RJ45 Gigabit Ethernet ports labeled 1 through 8.

Verify Connection: The Link/Act LED for each connected port will illuminate when a valid connection is established and will blink to indicate network activity.

Your DGS-1008D/B switch is now ready for use.

4. Operating the Switch

The DGS-1008D/B operates automatically once connected. It supports auto-negotiation for speed and duplex mode, and auto-MDI/MDIX, eliminating the need for crossover cables.

LED Indicators:

Power LED (Green):
- On: The switch is powered on.
- Off: The switch is powered off.
Link/Act LEDs (Green, per port):
- On: A valid network link is established on the corresponding port.
- Blinking: Data is being transmitted or received on the corresponding port.
- Off: No link is established on the corresponding port.

The Green Ethernet technology automatically detects cable length and link status to adjust power consumption, contributing to energy savings.

5. Maintenance

The DGS-1008D/B is designed for reliable, maintenance-free operation. However, a few simple practices can help ensure its longevity:

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 openings are not blocked. Do not place the switch in an enclosed space without adequate airflow.
Power Cycle: If the switch becomes unresponsive, disconnect the power adapter, wait for 10 seconds, and then reconnect it. This can resolve many minor issues.
Cable Management: Keep network cables organized and avoid excessive bending or crimping to prevent signal degradation.

6. Troubleshooting

If you encounter issues with your DGS-1008D/B switch, refer to the following common problems and solutions:

Problem	Possible Cause	Solution
No Power LED illumination.	No power to the switch.	Ensure the power adapter is securely connected to the switch and a working electrical outlet. Verify the electrical outlet is functional by plugging in another device.
No Link/Act LED for a connected device.	Incorrect cable connection. Faulty Ethernet cable. Device not powered on or not functioning correctly.	Ensure the Ethernet cable is securely plugged into both the switch port and the device's network port. Try a different Ethernet cable. Verify the connected device is powered on and its network adapter is enabled. Try connecting the device to a different port on the switch.
Slow network speed.	Cable quality or length. Network congestion. Device limitations.	Ensure you are using Cat5e or Cat6 Ethernet cables for Gigabit speeds. Check for excessive network traffic from other devices. Verify the network adapter on your device supports Gigabit Ethernet.

7. Specifications

Feature	Description
Model	DGS-1008D/B
Ports	8 x 10/100/1000 Mbps Gigabit Ethernet (RJ45)
Switch Type	Unmanaged
Switching Capacity	16 Gbit/s
MAC Address Table Size	8000 entries
Data Transfer Rate	1000 Megabytes Per Second (per port)
Power Consumption (Typical)	4.5 W
Power Input	12 Volts (via external power adapter)
Dimensions (LxWxH)	5.43 x 3.35 x 1.34 inches (13.79 x 8.51 x 3.40 cm)
Weight	8.8 ounces (250 g)
Case Material	Metal
Green Ethernet	Yes (IEEE 802.3az Energy Efficient Ethernet)

8. Warranty and Technical Support

D-Link provides a limited warranty for this product. For specific warranty terms and conditions, please refer to the warranty information included with your product or visit the official D-Link website.

For technical support, product registration, and software updates, please visit the D-Link support website:

Visit D-Link Support

You can also find FAQs and troubleshooting guides on the support portal.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.