Acroname Blog

2 years ago
Did you unplug it and plug it back in? Turning ports on and off with Python It shouldn't have to happen, but sometimes you need to plug and unplug a USB device. Maybe the device needs to power cycle, maybe you need to enable devices one-by-one so they enumerate correctly.  Rather than…
2 years ago
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 Mode description Condition Maximum current (device limited) SDP…
2 years ago
Between backward compatibility and future-proofing, working with technology sometimes feels like it requires both a history degree and a crystal ball. But predicting the future of USB power delivery technology isn't a guessing game. Here at Acroname, we've noticed some clear trends in where the…
2 years ago
If you're looking for a guide to power delivery connector types, look no further. We're going to take a deep dive into the world of USB power delivery and explore different types of connectors. Different USB PD applications have different needs, so a USB-C PD connector will look a lot different…
2 years ago
What's a USB device tree, and why is it important for conference room A/V? Understanding the USB Device Tree Acroname's ControlRoom web-based software works with our intelligent USB hubs to visualize the USB device tree of the host. USB has the concept of tiers: the host and root hub are on…
2 years ago
We've been following Jan Zoetemelk's YouTube channel, where he provides insightful demonstrations of the Poly A/V universe. Here, he showcases the practical application of our USBHub3p, facilitating seamless USB switching between Microsoft Teams Rooms (MTR) PCs and Bring Your Own Device (BYOD)…
2 years ago
USB-C functional tests involve a lot of cable plugging and unplugging, connector flipping, and device swapping.  Acroname's USB-C-Switch handles those connections for you, providing control through our HubTool GUI application or BrainStem API, even remotely!For this article, we'll look at…
2 years 1 month ago
The problem with USB TESTING Suppose you’re a test engineer working on USB compliance testing.  You have a well-equipped lab with some high-end test equipment.  But you’d rather be in your office doing other work than in the lab plugging, unplugging, and flipping cables while…
2 years 1 month ago
 Acroname's USBHub3c Pro plus the right add-on software features becomes a comprehensive USB power delivery (USB-PD) testing rig.  Build out your in-house USB-PD test lab and know what your devices are doing with complete control!  Interactively debug or automate USB-PD validation…
2 years 3 months ago
USB cables can be a huge headache. They're deceptively simple, with huge amounts of variation underneath the same broad categories — and that's not even touching on cables that are labeled incorrectly.We're going to look at some of the top USB cable blunders that test engineers make: mistakes can…