StarTech US1GC30B2

Download PDFFree PDF. The Save button below keeps a bookmark and private notes in your account.

StarTech USB-C to Gigabit Ethernet Adapter (US1GC30B2) Instruction Manual

Model: US1GC30B2

1. Introduction

This manual provides instructions for the StarTech USB-C to Gigabit Ethernet Adapter (Model: US1GC30B2). This adapter allows you to add a Gigabit Ethernet port to your computer via a USB-C connection, supporting network speeds of 10/100/1000 Mbps. It is designed for reliable wired network connections and is compatible with various operating systems.

StarTech USB-C to Gigabit Ethernet Adapter

Image 1.1: StarTech USB-C to Gigabit Ethernet Adapter. The adapter features a silver-gray housing with a black USB-C cable and connector, and an RJ45 Ethernet port on one end.

2. Package Contents

  • 1 USB-C Network Adapter (US1GC30B2)

3. Product Features

The StarTech USB-C to Gigabit Ethernet Adapter offers the following features:

  • Adds a Gigabit Ethernet port to your computer via USB-C.
  • Supports 10/100/1000 Mbps BASE-T Networks with auto-sensing.
  • Integrated 11.8 inch (30 cm) cable for extended reach and reduced connector strain.
  • USB bus-powered, requiring no external power adapter.
  • Utilizes the ASIX AX88179A Chipset for broad compatibility.
  • Supports 9K Jumbo Frames, VLAN Tagging, Wake-on-LAN, and Energy Efficient Ethernet (EEE).
  • Plug-and-play functionality on supported operating systems.
StarTech USB-C to Gigabit Ethernet Adapter Features

Image 3.1: Detailed view of the adapter's features. This image highlights the Gigabit Ethernet port, USB Type-C connector, and lists features such as USB bus power, full-duplex Ethernet, Auto-MDIX, VLAN tagging, Wake-on-LAN, and 9K jumbo frames.

4. Setup and Installation

The USB-C to Gigabit Ethernet Adapter is designed for plug-and-play operation on most supported operating systems, requiring no driver installation.

4.1 Connecting the Adapter

  1. Connect the USB-C connector of the adapter to an available USB-C port on your computer (laptop, desktop, or 2-in-1 device).
  2. Connect a standard RJ45 Ethernet cable from your network router, switch, or wall jack to the RJ45 port on the adapter.
Connecting the USB-C to Ethernet Adapter

Image 4.1: Illustration of the adapter connected to a laptop and an Ethernet wall jack. The USB-C end is plugged into the laptop, and an Ethernet cable connects the adapter to the network.

4.2 Operating System Compatibility

The adapter offers broad compatibility with various operating systems:

  • Windows: Versions 7, 8, 10, 11, and Server (2003, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022).
  • macOS: Versions 10.14 (Mojave), 10.15 (Catalina), 11.0 (Big Sur), 12.0 (Monterey), 13.0 (Ventura). Note: VLAN tagging is currently not supported in macOS.
  • Linux: Kernel versions 2.6.14 and up (LTS Versions only).
  • Chrome OS
  • Android
Operating System Compatibility

Image 4.2: Visual representation of the adapter's wide compatibility, showing logos for Windows, macOS, Linux, and Chrome OS, along with a list of supported versions.

5. Operation

Once connected, the adapter should be automatically recognized by your operating system, providing immediate wired network access. The adapter functions as a standard network interface card (NIC).

5.1 Advanced Features

The adapter supports several advanced networking features:

  • VLAN Tagging: Allows for network segmentation and management. (Note: Not supported in macOS.)
  • Wake-on-LAN (WoL): Enables a computer to be woken up by a network message.
  • Energy Efficient Ethernet (EEE): Reduces power consumption during periods of low data activity.
  • 9K Jumbo Frames: Supports larger Ethernet frames for improved network efficiency.

5.2 StarTech.com Connectivity Tools (Windows Compatible)

For Windows users, StarTech.com offers additional software tools that can enhance the adapter's functionality:

  • MAC Address Passthrough: Replaces the MAC address of the adapter with that of the connected host device, enabling network access only to authorized devices.
  • Wi-Fi Auto-Switch: Allows users to access faster network speeds by automatically switching to a wired LAN connection when using the USB Ethernet adapter.
StarTech.com Connectivity Tools

Image 5.1: Overview of StarTech.com Connectivity Tools, including MAC Address Passthrough and Wi-Fi Auto-Switch, both compatible with Windows operating systems.

6. Maintenance

To ensure optimal performance and longevity of your adapter:

  • Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
  • Avoid exposing the adapter to extreme temperatures, humidity, or direct sunlight.
  • Do not bend or strain the cable excessively.
  • Store the adapter in a safe place when not in use to prevent physical damage.

7. Troubleshooting

If you encounter issues with your USB-C to Gigabit Ethernet Adapter, refer to the following common solutions:

  • No Network Connection:
    • Ensure both the USB-C connector and the Ethernet cable are securely plugged in.
    • Verify that your network router/switch is powered on and functioning correctly.
    • Check your computer's network settings to ensure the Ethernet adapter is enabled and configured for DHCP (automatic IP address) or a correct static IP.
    • Try connecting the adapter to a different USB-C port on your computer.
    • Test with a different Ethernet cable.
  • Slow Network Speed:
    • Ensure your network infrastructure (router, switch, cables) supports Gigabit Ethernet speeds.
    • Check for conflicting software or background processes consuming bandwidth.
    • Update your computer's operating system to the latest version.
  • Adapter Not Recognized:
    • Restart your computer.
    • Ensure your operating system is listed as compatible in Section 4.2.
    • Check your device manager (Windows) or system information (macOS/Linux) to see if the adapter is detected.

8. Specifications

Model NumberUS1GC30B2
Hardware InterfaceUSB 3.2 Gen 1 (5 Gbps) Type-C
Data Link ProtocolEthernet, Gigabit Ethernet, USB
Data Transfer Rate10/100/1000 Mbps
Chipset IDASIX AX88179A
Cable Length11.8 inches (30 cm)
ColorSpace Gray
Product Dimensions1.1 x 6.8 x 0.6 inches (Adapter body)
Item Weight0.8 ounces (0.05 lbs)
Compatible Operating SystemsWindows, macOS, Linux, Chrome OS, Android
Special Features9K Jumbo Frames, VLAN Tagging, Wake-on-LAN, Energy Efficient Ethernet (EEE)

9. Warranty and Support

StarTech.com products are designed and built for IT professionals, offering reliable performance. This product includes a risk-free performance warranty. For technical assistance, StarTech.com provides free 24-hour support from experienced technical advisors.

For detailed warranty information and support resources, please visit the official StarTech.com website or contact their customer service.

The StarTech.com Advantage

Image 9.1: The StarTech.com Advantage highlights key benefits including design for IT professionals, risk-free performance warranty, rigorous testing, and 24-hour support.

10. Safety Warnings

Please observe the following safety warnings to prevent damage to the product or injury:

  • Electrical Hazards: Do not use damaged or frayed cables. Exposed wires can lead to electric shocks. Ensure all cables are fully inserted and properly connected.
  • Heat Buildup: Overloaded or tightly bundled cables can overheat and pose a fire hazard. Ensure adequate ventilation and avoid bundling too many cables.
  • Damage: Always unplug adapters by holding the plug, not the cable. Pulling by the cable can expose live wires, which could lead to electrical shocks or burns.
Safety Warnings

Image 10.1: A warning label detailing electrical hazards, heat buildup, and proper handling to prevent damage.

© 2023 StarTech.com. All rights reserved.

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.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.