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For Troubleshooting and Testing USB 2.0 ports.
By simply plugging in the Loopback plug, you can quickly confirm if the USB port is correctly powered.
The Red, Green and Yellow LED’s on the device provides a quick visual indication of I/O activity and if the USB bus is powered.
Dramatically improve the troubleshooting and diagnostic ability of computer technicians and system integrators, who previously had no way to confirm the actual output of the USB port.
Can also be used to test self-powered USB hubs
In benchmark mode (Windows only), the device is capable of reaching the maximum defined transfer speed for USB2.0 (480Mbit/sec). Note: Testing has shown that most PCs cannot attain speeds much above 300Mbits/sec and performance will vary depending on your motherboard, CPU and other USB devices connected to the PC.
Measure the level of recovered data (retransmitted frames)
Check that data can be sent and received from the port
Check USB errors rates and transmission speed (up to 5Gbits/sec ) in Windows
Benchmark your PC’s USB port
Check if your PC ports are high speed 480Mbits/sec (USB 2.0), or full speed 12Mbits/sec (USB 1.x) via a LED
Verify that the system remains stable under long periods of load
Up to 32 of these USB test plugs can be simultaneously connected to a PC providing that free USB ports are available on the PC or on a downstream hub and sufficient power is available.
They do not require an external power supply and do not require a connection to any other port on a PC. Each plug also has its own serial number stored in EPROM on the plug, so they can be individually identified when multiple plugs are connected.
Each plug also contains its own CPU and executes its own firmware.
This is a demonstration on how to use PassMark USB 3.0 Loopback Plugs to test, troubleshoot, and benchmark USB ports.
Quickly check if a USB port is powered, check for errors, and bencmark transmission speeds using PassMark USB 3.0 Loopback Plugs.