1. Ro-ràdh
This manual provides comprehensive instructions for the usangreen AX88772B Micro USB to RJ45 LAN Adapter. This device allows you to connect your compatible Micro USB-enabled devices, such as laptops, tablets, or TV boxes, to a wired Ethernet network, providing stable and reliable internet connectivity at speeds of 10Mbps or 100Mbps.
Key features of the adapter include:
- Micro USB 2.0 interface for high-speed data transfer.
- Supports 10Mbps and 100Mbps Ethernet speeds.
- Equipped with the genuine ASIX AX88772B chip for reliable performance.
- Compatible with Linux, Windows 7, Windows XP, and Mac OS X operating systems.
- Dealbhadh teann airson so-ghiùlaineachd.

Figure 1.1: The usangreen Micro USB to RJ45 LAN Adapter, showcasing its compact design and Micro USB connector.

Figure 1.2: The adapter shown held in hand, illustrating its small and portable size.
2. Stiùirich rèiteachaidh
2.1 Susbaint a’ phacaid
Mus tèid thu air adhart, dèan cinnteach gu bheil na pàirtean uile an làthair:
- usangreen AX88772B Micro USB to RJ45 LAN Adapter
- Leabhar-làimhe cleachdaiche (an sgrìobhainn seo)

Figear 2.1: Aghaidh view de phacaigeadh an toraidh.
2.2 A’ ceangal an inneal-atharrachaidh
- Locate the Micro USB port on your device (e.g., laptop, tablet, TV box).
- Insert the Micro USB connector of the adapter firmly into your device's Micro USB port.
- Connect a standard RJ45 Ethernet cable from your router or modem to the RJ45 port on the adapter.

Figear 2.2: Sealladh dlùth view of the adapter, highlighting the Micro USB connector and the RJ45 Ethernet port.

Figure 2.3: Illustration of various USB connector types. Ensure you are using the Micro USB variant for this adapter.
2.3 Driver Installation and Compatibility
The usangreen AX88772B adapter is designed for plug-and-play functionality with most modern operating systems. It is compatible with:
- Windows 7, Windows XP, Windows 11 (and likely other Windows versions)
- Mac OS X
- Linux
- Supported Android devices (requires an "Ethernet" option under "Settings >> WIRELESS & NETWORKS"). Note: Not supported with iOS (iPhone/iPad) devices.
For Windows 11, the device is typically plug-and-play, with appropriate drivers automatically installed by the operating system or via Windows Update. For other operating systems, drivers may be automatically detected and installed upon connection.

Figear 2.4: Example of Android device settings, showing where to find the "Ethernet" option to confirm compatibility.

Figure 2.5: The internal AX88772B chip and a Windows network status window confirming the adapter's recognition and driver status.
3. Stiùireadh Obrachaidh
Once the adapter is connected and drivers are installed (if necessary), your device should automatically detect the wired network connection. You can verify the connection status through your operating system's network settings.
3.1 Network Speed
The adapter supports Ethernet speeds of 10Mbps or 100Mbps. The actual speed will depend on your network infrastructure (router, modem, Ethernet cable) and internet service provider's speed.
3.2 Suidheachaidhean Cleachdaidh
- Coimpiutairean-uchd/Clàran: Provides a stable wired connection for devices lacking a built-in Ethernet port, ideal for online gaming, streaming, or large file tar-chuir.
- TV Boxes/Monitors: Enhances network stability for smart TVs or media players that benefit from a wired connection.
- Embedded Systems: Suitable for industrial controllers, network sensors, and Single Board Computers (SBC) requiring reliable Ethernet connectivity.
4. Cumail suas
To ensure the longevity and optimal performance of your usangreen AX88772B adapter, follow these general maintenance guidelines:
- Glanadh: Use a soft, dry cloth to clean the exterior of the adapter. Avoid using liquid cleaners or solvents.
- Stòradh: Stòraich an inneal-atharrachaidh ann an àite fionnar, tioram air falbh bho sholas dìreach na grèine agus teòthachd anabarrach nuair nach eilear ga chleachdadh.
- Làimhseachadh: Always grasp the plug when connecting or disconnecting the adapter from your device or the Ethernet cable. Avoid pulling on the cable itself, as this can damage internal wiring.
- Suidheachaidhean Àrainneachdail: Do not expose the adapter to water, excessive humidity, or dusty environments.
5. A ’dèanamh trioblaid
If you encounter issues with your usangreen AX88772B adapter, refer to the following common problems and solutions:
5.1 Gun Cheangal Lìonra
- Thoir sùil air ceanglaichean: Ensure both the Micro USB connector and the RJ45 Ethernet cable are securely plugged into the adapter and your device/router.
- Dearbhaich Càball: Test with a different Ethernet cable to rule out a faulty cable.
- Ath-thòiseachadh innealan: Ath-thòisich do choimpiutair/inneal agus do router/modem.
- Sgrùdadh dràibhear: For Windows, go to Device Manager and check if the network adapter is listed and has no error symbols. If needed, try updating the driver or reinstalling it.
- Co-fhreagarrachd an t-siostam obrachaidh: Confirm your device's operating system is supported (e.g., not iOS). For Android, ensure the "Ethernet" option is available and enabled in network settings.
5.2 Ceangal Mall no Neo-sheasmhach
- Check Network Speed: Ensure your router and internet plan support the desired speed (10/100Mbps).
- Càileachd càball: Use a high-quality Ethernet cable.
- Eadar-theachd: Keep the adapter away from strong electromagnetic interference sources.
- Coileanadh Inneal: Ensure your device's hardware and software are not bottlenecking the network speed.
5.3 Chan eil an inneal-atharrachaidh air aithneachadh
- Feuch port USB eile: If available, connect the adapter to a different Micro USB port on your device.
- Deuchainn air inneal eile: If possible, test the adapter on another compatible device to determine if the issue is with the adapter or your original device.
- Cearcall cumhachd: Disconnect the adapter, restart your device, and then reconnect the adapter.
Note: Some users have reported issues with compatibility with specific devices like the Nintendo Wii U. This adapter is not officially supported for gaming consoles unless explicitly stated by the console manufacturer.
6. Sònrachaidhean
| Feart | Mion-fhiosrachadh |
|---|---|
| Modail Àireamh | AX88772B |
| Brand | usangreen |
| Seòrsa ceangail | Micro USB 2.0 to RJ45 |
| Luas Ethernet | 10Mbps / 100Mbps (N-way protocol) |
| Chipset | ASIX AX88772B |
| OS co-chòrdail | Linux, Windows 7/XP/11, Mac OS X, select Android devices |
| Meudan (Pasgan) | 5 x 4.21 x 0.71 òirleach |
| Cuideam nì | 0.704 unnsa |
| Fad Càball | Mu 22 cm a dh'fhaid |
7. Barantas agus Taic
7.1 Taic Bathar
For technical assistance or inquiries regarding your usangreen AX88772B Micro USB to RJ45 LAN Adapter, please refer to the official usangreen brand store or contact their customer service through the platform where the product was purchased.
Visit the official usangreen store for more information and products: usangreen Store
7.2 Fiosrachadh Barantais
Specific warranty details may vary by region and retailer. Please retain your proof of purchase for any warranty claims. Generally, products are covered by a standard return policy, which for this product is 30 days for refund/replacement as per Amazon's policy.