CB-U320GNA - Network card / adapter Vantec - Free user manual and instructions
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| Product Type | USB 3.0 to Gigabit Ethernet Adapter |
| Brand | Vantec |
| Model | CB-U320GNA |
| Interface | USB 3.0 (backward compatible with USB 2.0/1.1) |
| Network Standard | IEEE 802.3, 802.3u, 802.3ab |
| Data Transfer Rate | 10/100/1000 Mbps (auto-negotiation) |
| Connector | RJ-45 female |
| LED Indicators | Link/Activity, Speed |
| Operating Systems Supported | Windows 10/8/7/Vista/XP, macOS 10.6+, Linux kernel 2.6+ |
| Dimensions | 2.8 x 1.4 x 0.6 inches (71 x 36 x 15 mm) |
| Weight | 1.1 oz (31 g) |
| Power Source | USB bus-powered (no external power adapter required) |
| Power Consumption | Max 2.5W |
| Compliance | FCC, CE, RoHS |
| Advanced Features | Wake-on-LAN, Jumbo Frame (up to 9K), VLAN tagging, IPv4/IPv6 |
| Full Duplex Support | Yes, with flow control |
| Cable Length | USB cable integrated (approx. 6 inches) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Storage Temperature | -4°F to 158°F (-20°C to 70°C) |
| Humidity | 10% to 90% non-condensing |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - CB-U320GNA Vantec
Does the Vantec CB-U320GNA support Wake-on-LAN?
Yes, the adapter supports Wake-on-LAN (WoL) functionality. You may need to enable it in your operating system's network settings.
Is this adapter compatible with USB 2.0 ports?
Yes, the CB-U320GNA is backward compatible with USB 2.0 and USB 1.1 ports, but performance will be limited to USB 2.0 speeds (480 Mbps).
What operating systems are supported?
It supports Windows (10/8/7/Vista/XP), macOS (10.6 and later), and Linux (kernel 2.6+). Drivers are often built-in; manual installation may be required for older systems.
How do I install the driver on Windows?
On most Windows versions, the driver installs automatically via Windows Update. If not, download the driver from Vantec's support website and run the installer.
What is the maximum data transfer speed?
The adapter supports up to 1000 Mbps (1 Gbps) when connected to a Gigabit network and a USB 3.0 port.
Does it support jumbo frames?
Yes, the CB-U320GNA supports jumbo frames up to 9K bytes. Enable it in the adapter's advanced properties.
Can I use this adapter with a Nintendo Switch or game console?
The adapter is designed for computers. Compatibility with game consoles like Nintendo Switch is not guaranteed, though some users have success with certain USB Ethernet adapters.
How do I clean the adapter?
Unplug the adapter and wipe it with a soft, dry cloth. Do not use liquids or abrasive cleaners.
What is the warranty period?
Vantec offers a 1-year limited warranty against defects in materials and workmanship. Check the product packaging for details.
Does the adapter support VLAN tagging?
Yes, VLAN tagging (802.1Q) is supported. You can configure it in the advanced network settings of your operating system.
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