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ZD-USB Switch

ZD-USBSwitch is an auxiliary device designed to facilitate USB device connection/disconnection and compatibility testing. It provides four host USB ports and four device USB ports, allowing switching between 16 connection possibilities. In addition, the USBSwitch provides four relay interfaces for external device testing. The host-side USB ports can connect to USB hosts such as ZD Box, ECUs, etc., and the device-side USB ports are suitable for flash drives, smartphones, tablets, etc. With ZD-USBSwitch, users can manually or remotely control the switching of USB port connections between the host and device sides for connection and access testing.

Features

Manual or programmatic connection of any one of the 16 USB links that are waiting to be connected
4 relay switches with both normally open and normally closed contacts for intelligent switch control
API and Python SDK
Real-time monitoring of host-side USB, device-side USB, USB power, and relay switch status
Charging USB devices via USB Type-C interface, host USB bus, and 12V vehicle power
On-board LED indicators showing operating mode
Built-in flash stores configurations and maintains control state after a reboot
Built-in USB reverse charge protection, over-current protection and ESD protection circuits
Windows/Linux systems

Application Scenario

ZD-USBSwitch can be used for automatic compatibility testing of up to 4 USB 2.0/3.0 hosts and 4 USB 2.0/3.0 devices. In this scenario, users can manually or automatically monitor and set the connection status of USB ports, simplifying the process of frequently plugging/unplugging USB harnesses and switching USB devices during development debugging and testing. The product also provides 4 sets of relays, enabling intelligent control of switches for scenarios such as simulating power on/off control, line connection/disconnection, etc.

Specifications