Safety precautions
To ensure the best from the product, please read all instructions carefully before using the device. Save this manual for further reference.
Unpack the equipment carefully and save the original box and packing material for possible future shipment.
Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons.
Do not dismantle the housing or modify the module. It may result in electrical shock or burn.
Using supplies or parts not meeting the products’ specifications may cause damage, deterioration or malfunction.
To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water.
Do not put any heavy items on the extension cable in case of extrusion.
Refer all servicing to qualified service personnel.
Product Introduction
Introduction
This is a 2/4-port USB 3.2 Gen1 peripheral sharing device that allows users to share 4 USB devices between 2 different general computers by using USB 3.2 Gen 1 Type-B to Type-A cables. It allows for a neat and tidy installation. It is USB 3.2 Gen1 compliant, which can support data transfer rate up to 5Gbps, and backwards compatible with USB 2.0 and USB 1.1. It is perfect for high-bandwidth devices, such as USB docking stations or USB 3.x cameras. In addition, It also features RS-232 command port and select buttons for simple control. With its compact and all-in-one design, you can create a space saving, convenient and productive work environment.
Features
- Over-current protection
- 5V/1.5A out for USB-C device port , 5V/1A out for USB-A device port
- USB device ports compliant with USB 3.2 Gen1, USB 2.0 and USB 1.1
- Support USB Multiple Transaction Translator architecture
- Multiplatform support – Windows, Linux and Mac
- Auto switching (last in gets priority)
- Switching via front panel button or RS-232
- Plug and Play – no drivers or external power adapter needed
- Enables 2 computers to share 4 USB 3.2 Gen1 devices
- USB 3.2 Gen1 compliant, supporting data transfer rates of up to 5Gbps
- LED indicates which computer is active
Package List
- 1× 2x4 USB 3.2 Gen 1 Switcher
- 1× 12V/3A Power Supply with EU Conversion Plug
- 1× User Manual
- 2× Mounting Ear
- 4× Machine Screw (M3*6)
Panel Description
| No. | Name | Function Description |
|---|---|---|
| 1 | USB DEVICES (1/2) | Downlink USB-C ports, with output power 5V/1.5A. Connect to USB devices such as USB 3.x camera or hard disk. |
| 2 | USB DEVICES (3/4) | Downlink USB-A ports, with output power 5V/1A. Connect to USB devices such as USB 3.x camera or hard disk. |
| 3 | Power LED | The green LED will be on when the unit is powered on. |
| 4 | PC1 LED | The green LED will be on when the uplink PC1 is selected. |
| 5 | PC2 LED | The green LED will be on when the uplink PC2 is selected. |
| 6 | Auto LED | The green LED will be on when the auto switching mode is enabled. Note: The default mode is auto switching. It can be set via API command. |
| 7 | Select button | Press this button to select the uplink PC1 or PC2 circularly. |
| 8 | USB HOST (PC1/PC2) | Uplink USB-B HOST ports, connected to PC or host. |
| 9 | RS-232 | RS-232 serial port, with baud rate 19200. Supporting API commands input and MCU firmware update. |
| 10 | DC 12V | DC 12V/3A power input port. |
Specification
| Technical | |
|---|---|
| USB Protocol | USB 3.2 Gen 1 |
| Transfer Rate | 5Gbps |
| Transmission Distance | 1.5m/4.9ft over USB cable |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge) |
| Connection | |
| Input | 2× USB HOST [USB 3.2 Gen 1 Type B, 9-pin female, USB tier 1] |
| Output | 2× USB-C DEVICE [USB Type C, 24-pin female, USB tier 3]; 2× USB-A DEVICE [USB Type A, 9-pin female, USB tier 2] |
| Control | 1× RS-232 [3pin-3.5mm phoenix connector, firmware upgrade port] |
| Mechanical | |
|---|---|
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 125mm (W) × 80mm (D) × 30mm (H) |
| Weight | 317g |
| Power Supply | Input: AC 100-240V 50/60Hz, Output: DC 12V/3A (US/EU standard, CE/FCC/UL certified) |
| Power Consumption | 30W (Max) |
| Operation Temperature | 32 ~ 104°F / 0 ~ 40°C |
| Storage Temperature | -4 ~ 140°F / -20 ~ 60°C |
| Operating Humidity | 20%~80% relative humidity, non-condensing |
| Storage Humidity | 10%~90% relative humidity, non-condensing |
API Commands
The product also supports RS-232 command control. Connect the RS-232 port to the appropriate cable and your control device. Then open a Serial Command tool on PC to send ASCII commands to control the product.
The ASCII command list of the product is shown below.
Note: DB9 port RS-232 communication protocol (Connect to control system)
Baud rate: 19200 (Fixed) Data bit: 8 Stop bit: 1 Parity bit: none
The end mark of command is “<CR><LF>”
| Command | Function | Example | Feedback | Default |
|---|---|---|---|---|
| ? | Get the list of all commands | ? | ||
| help | Get the list of all commands | help | ||
| get fw version | Get firmware version | get fw version | 1.0.0 | |
| set reboot | Reboot the device | set reboot | Reboot... System Initializing... Initialization Finished! FW: 1.0.0 | |
| set reset | Reset to factory defaults | set reset | Sure to RESET to default settings? Type "Yes" after next prompt to confirm... Input 1 | |
| get status | Get system status | get status | Please refer to the note at the end of the list. | |
| set key on/off | Set front panel key on/off | set key on set key off | Set key on. Set key off. | on |
| get key | Get front panel key on/off status | get key | Key on. | |
| set input x | Set USB host input (x=1~2) x=1: USB host input 1 x=2: USB host input 2 | set input 1 | Set USB host input 1. | 1 |
| get input | Get USB host input port | get input | 1 | |
| get usb5v | Get USB host input 5V | get usb5v | Host 1: 5V Host 2: none | |
| set autoswitch x | Set auto-switching on/off (USB 5V detection) x=On, Off | set autoswitch x | Set autoswitch on. | on |
| get autoswitch | Get auto-switching status | get autoswitch | Autoswitch on. | |
| set output x usb5v y | Set USB device output (x=0~4) 5V to y x=[0...4]:0:All, 1:USB-C 1, 2:USB-C 2, 3:USB-A 3, 4:USB-A 4 y=0: Disable 5V output y=1: Follow host y=2: Force 5V always output | set output 0 usb5v 1 | Set all USB device output 5V:follow host. | 1 |
| get output x usb5v | Get USB device output (x=0~4) 5V status | get output 0 usb5v | USB-C 1 5V: follow host USB-C 2 5V: follow host USB-A 3 5V: follow host USB-A 4 5V: follow host | |
Note: The feedback of the command of “r status” is as follow.
=======================================
Status Info 2x4 USB 3.2 Gen1 Switcher
FW 1.0.0
Key AutoSwitch Input
On On 01
Input Cable
01 Connected
02 None
Output USB_5V
01 Follow_host
02 Follow_host
03 Follow_host
04 Follow_host
=======================================
System Diagram


The following diagrams illustrate typical input and output connections that can be utilized with this device:
- USB DEVICES
- Power Supply DC 12V
- RS-232
- USB HOST PC 2
- USB HOST PC 1
- U Disk
- USB Camera
- Microphone
- USB Tier 1 Host PC
- USB Tier 2
- USB Tier 3
Usage Precaution
- Make sure all components and accessories included before installation.
- System should be installed in a clean environment with proper temperature and humidity.
- All of the power switches, plugs, sockets, and power cords should be insulated and safe.
- All devices should be connected before power on.
Firmware Upgrade
Please follow the steps as below to upgrade firmware via the RS-232 port.
- Prepare the PC tool (.exe) and the latest upgrade file (.bin) on PC.
- Connect the RS-232 port on the switcher to the PC.
- Connect the power supply to the switcher and power on.


- Run GTool.exe on PC.
- Select the connection port and baudrate, and then click "Connect". "13 Bytes" must be checked.
- Click "Open" to select the prepared upgrade file, and then click "Upgrade".

- Upgrade is completed.

After-Sales Service
If there appear some problems when running the product, please check and deal with the problems referring to this user manual. Any transport costs are borne by the users during the warranty.
- Product Limited Warranty: This product will be free from defects in materials and workmanship for three years (The purchase invoice shall prevail). Proof of purchase in the form of a bill of sale or receipted invoice which is evidence that the unit is within the Warranty period must be presented to obtain warranty service.
- What the warranty does not cover (servicing available for a fee):
- Warranty expiration.
- Factory applied serial number has been altered or removed from the product.
- Damage, deterioration or malfunction caused by:
- Normal wear and tear.
- Use of supplies or parts not meeting our specifications.
- No certificate or invoice as the proof of warranty.
- The product model showed on the warranty card does not match with the model of the product for repairing or had been altered.
- Damage caused by force majeure.
- Servicing not authorized by distributor.
- Any other causes which does not relate to a product defect.
- Delivery, installation or labor charges for installation or setup of the product.
- Technical Support: For any questions or problems, contact your distributor or reseller and tell them the respective product name and version, the detailed failure situation as well as the formation of the cases.
Asking for Assistance
Technical Support
| Technical Support Hours: | 8:30 AM to 5:00 PM Monday thru Thursday 8:30 AM to 4:00 PM Friday |
|---|---|
| Write to: | PureLink GmbH Von-Liebig-Straße 10 D - 48432 Rheine |
| Phone: | +49 5971 800299 - 0 |
| Fax: | +49 5971 800299 – 99 |
| Website: | www.purelink.de |
| Email: | info@purelink.de |
Legal & Compliance
Product identification
Model: PT-SW-U324 – manual version 1.0
Trademarks and disclaimer
Product model and logo are trademarks. All other company and product names mentioned are trademarks of their respective owners. All rights reserved. No part of this publication may be copied or reproduced without prior written permission. We reserve the right to make changes to the device, packaging or manual and accept no liability for misprints.
EU conformity
PureLink hereby declares that this product PureTools PT-SW-U324 complies with Directives 1907/2006/ EU and 2011/65/EU. PureLink GmbH hereby declares that this product PureTools PT-SW-U324 complies with Directives 2014/30/EU and 2014/35/EU.
| Directive / Regulation |
|---|
| 2011/65/EU |
| 2014/30/EU |
| 2014/35/EU |
| 1907/2006/EU |
The full text of the EU Declaration of Conformity is available at: www.purelink.de
Disposal of electrical and electronic equipment
WEEE reg. no.: DE 93847290
The crossed-out wheelie bin symbol on the product, packaging or in this manual means that electrical and electronic equipment must not be disposed of with household waste at the end of its life. Hand in old devices free of charge at a public collection point or return them to a distributor obliged to take them back. Remove batteries and lamps that can be removed without destroying the device before handing it in, and delete any personal data stored on the device. Details are regulated by national law. By returning old devices you help protect the environment.
Packaging
Dispose of packaging separately by material (paper/cardboard, plastics) via the local collection systems. Keep packaging material away from children – risk of suffocation. Packaging register LUCID: DE5958616449295.
