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2x4 USB 3.2 Gen1 Switcher with 5Gbps and Current Protection
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PT-SW-U324

2x4 USB 3.2 Gen1 Switcher with 5Gbps and Current Protection

The PT-SW-U324 is a USB 3.2 Gen1 switcher featuring two independently switchable USB-B host ports and four device ports—two USB-C and two USB-A—with support for data rates up to 5Gbps. Each device port provides …

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Chapter 1 of 10

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.

Chapter 2 of 10

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)
Chapter 3 of 10

Panel Description

No.NameFunction Description
1USB 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.
2USB 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.
3Power LEDThe green LED will be on when the unit is powered on.
4PC1 LEDThe green LED will be on when the uplink PC1 is selected.
5PC2 LEDThe green LED will be on when the uplink PC2 is selected.
6Auto LEDThe 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.
7Select buttonPress this button to select the uplink PC1 or PC2 circularly.
8USB HOST (PC1/PC2)Uplink USB-B HOST ports, connected to PC or host.
9RS-232RS-232 serial port, with baud rate 19200. Supporting API commands input and MCU firmware update.
10DC 12VDC 12V/3A power input port.
Chapter 4 of 10

Specification

Technical
USB ProtocolUSB 3.2 Gen 1
Transfer Rate5Gbps
Transmission Distance1.5m/4.9ft over USB cable
ESD ProtectionIEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge)
Connection
Input2× USB HOST [USB 3.2 Gen 1 Type B, 9-pin female, USB tier 1]
Output2× 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]
Control1× RS-232 [3pin-3.5mm phoenix connector, firmware upgrade port]
Mechanical
HousingMetal Enclosure
ColorBlack
Dimensions125mm (W) × 80mm (D) × 30mm (H)
Weight317g
Power SupplyInput: AC 100-240V 50/60Hz, Output: DC 12V/3A (US/EU standard, CE/FCC/UL certified)
Power Consumption30W (Max)
Operation Temperature32 ~ 104°F / 0 ~ 40°C
Storage Temperature-4 ~ 140°F / -20 ~ 60°C
Operating Humidity20%~80% relative humidity, non-condensing
Storage Humidity10%~90% relative humidity, non-condensing
Chapter 5 of 10

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>”

CommandFunctionExampleFeedbackDefault
?Get the list of all commands?
helpGet the list of all commandshelp
get fw versionGet firmware versionget fw version1.0.0
set rebootReboot the deviceset rebootReboot... System Initializing... Initialization Finished! FW: 1.0.0
set resetReset to factory defaultsset resetSure to RESET to default settings? Type "Yes" after next prompt to confirm... Input 1
get statusGet system statusget statusPlease refer to the note at the end of the list.
set key on/offSet front panel key on/offset key on set key offSet key on. Set key off.on
get keyGet front panel key on/off statusget keyKey on.
set input xSet USB host input (x=1~2) x=1: USB host input 1 x=2: USB host input 2set input 1Set USB host input 1.1
get inputGet USB host input portget input1
get usb5vGet USB host input 5Vget usb5vHost 1: 5V Host 2: none
set autoswitch xSet auto-switching on/off (USB 5V detection) x=On, Offset autoswitch xSet autoswitch on.on
get autoswitchGet auto-switching statusget autoswitchAutoswitch on.
set output x usb5v ySet 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 outputset output 0 usb5v 1Set all USB device output 5V:follow host.1
get output x usb5vGet USB device output (x=0~4) 5V statusget output 0 usb5vUSB-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
=======================================

Chapter 6 of 10

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.
Chapter 7 of 10

Firmware Upgrade

Please follow the steps as below to upgrade firmware via the RS-232 port.

  1. Prepare the PC tool (.exe) and the latest upgrade file (.bin) on PC.
  2. Connect the RS-232 port on the switcher to the PC.
  3. Connect the power supply to the switcher and power on.
  1. Run GTool.exe on PC.
  2. Select the connection port and baudrate, and then click "Connect". "13 Bytes" must be checked.
  1. Click "Open" to select the prepared upgrade file, and then click "Upgrade".
  1. Upgrade is completed.
Chapter 8 of 10

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.

  1. 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.
  2. 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.
  1. 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.
Chapter 9 of 10

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
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