Acroname Blog

Even USB experts can get tripped up by USB cable names   Here's a frustrating example; imagine you are trying to choose among cables with the following descriptions:USB 3.0USB 3.1 Gen 1USB 3.2 Gen 1SuperSpeed USBUSB 5GbpsWhich one is the fastest?  Believe it or not, they all describe…

USB-C ports have to handle a variety of functions including data transfer, power delivery, and DisplayPort (DP) Alt Mode video output.  Device manufacturers need to perform factory End-of-Line (EOL) testing to make sure that their products meet specifications  In this blog post, we'll be…

Learn how to determine the enumeration speed of devices connected to USBHUB3+ and whether they're operating at high or super speeds. Each port on USBHub3+ can operate in High Speed or Super Speed modes. There are three ways to view the speed of a connected port Front panel LED HubTool…

Setting charging port modes on USBHub3+ Port Modes: CDP, SDP, and DCP The USBHub3+ can set each of its downstream ports to several power modes to support a range of devices. The supported modes are part of BC1.2 USB charging specification: Port mode Condition Maximum current(…

If you're trying to figure out how to see USB devices on your Mac or struggling to find that connected jump drive, you've come to the right place. This guide will walk you through the different ways to view, manage, and control USB devices on your Mac. Whether you’re working with macOS Monterey or…

What is this "Alt Mode" you speak of?  USB Alternate Modes are a powerful feature of USB-C technology that allows for the transmission of video, audio, and other data formats outside standard USB across a USB-C connector. These alternate modes, such as Thunderbolt 4 and DisplayPort, are…

In addition to being a full-featured hub, the USBHub3c from Acroname is a powerful tool in testing cables to ensure proper cables are in use.    You get full control over the USB stack and get to see all transactions as well as the details of the E-…

Connectivity and Control of the Acroname USB-C-Switch Acroname’s BrainStem-enabled programmable USB-C-Switch can be very useful to help automate and monitor USB connections in test environments. USB-C-Switch handles USB connections differently than a USB hub and also introduces the MUX entity to…