UT-6311C-EU 1 Port Serial Device Server

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Product Information

Specifications

• Model: UT-6311C-EU

• Product Name: 10/100M to 1-Port RS-232 Serial device
  Server

• Brand: UTEK TECHNOLOGY (SHENZHEN) CO., LTD.

• Address: Room1001, Building 7, Skyworth Innovation Valley, No.
  8, Tangtou No.1 Road, Shiyan Street, Shiyan Old Street, Bao ‘an
  District, Shenzhen

• Contact: Tel +86-755-81202008, Fax +86-755-27886083, Website:
  www.uotek.com

Product Usage Instructions

1. Serial Device Server Overview

This section provides an overview of the serial device
server.

1.1 Product Description

Details about the product and its functionality.

1.2 Main Features

List of key features of the product.

2. Serial Device Server Installation Instructions

2.1 Software Installation Instructions

Step-by-step guide on how to install the required software for
the device.

2.2 LED Indicator Description

Explanation of the LED indicators on the device and their
meanings.

2.3 Pin Definition Description

Description of pin definitions for proper setup.

3. Serial Device Server Technical Parameter

3.1 Product Technical Parameter

Detailed technical specifications of the product.

3.2 Product Configuration (based on a set of equipment)

Instructions on configuring the product with other
equipment.

FAQ

Q: How do I troubleshoot server issues?

A: Please refer to the “Server Troubleshooting Instruction”
section in the manual for detailed troubleshooting steps.

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Model: UT-6311C-EU
(Product Name: 10/100M to 1-Port RS-232 Serial device Server)
User Manual

UTEK TECHNOLOGY (SHENZHEN) CO., LTD.
Add: Room1001, Building 7, Skyworth Innovation Valley, No. 8, Tangtou No.1 Road, Shiyan Street, Shiyan Old Street, Bao ‘an District, Shenzhen Tel+86-755-81202008 Fax+86-755-27886083 Httpwww.uotek.com

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Contents

1 .Serial Device Server Overview…………………………………………………………………………………………………. 4

1.1 Product Description……………………………………………………………………………………………………………… 4

1.2 Main Features……………………………………………………………………………………………………………………… 4

1.2.1 Hardware Feature………………………………………………………………………………………………………………. 4 1.2.2 Software Feature…………………………………………………………………………………………………………………5 1.2.3 Security Feature…………………………………………………………………………………………………………………. 5 1.3 Product Application Mode…………………………………………………………………………………………………….. 5

2. serial device server installation instructions……………………………………………………………………………… 6

2.1 Software installation instructions…………………………………………………………………………………………… 6

2.2 LED indicator description……………………………………………………………………………………………………….6

2.3 pin definition description……………………………………………………………………………………………………….7

3 Serial Device Server Technical Parameter……………………………………………………………………………………8

3.1 Product Technical Parameter…………………………………………………………………………………………………. 8

3.2 Product configuration (based on a set of equipment)………………………………………………………………. 8

4.serial device server Web operation instruction……………………………………………………………………………8

4.1 System Login……………………………………………………………………………………………………………………….. 8

4.2 System Setting………………………………………………………………………………………………………………………9

4.3 Serial port parameter setting………………………………………………………………………………………………….9

4.4 Serial port work mode settingSerial port work mode setting…………………………………………………… 10

4.4.1 Datasocket–TCP Server Mode……………………………………………………………………………………………. 10 4.4.2 Datasocket–TCP Client Mode…………………………………………………………………………………………….. 11 4.4.3 Datasocket–UDP Client Mode…………………………………………………………………………………………. 12 4.4.4 VCOM virtual serial mode…………………………………………………………………………………………………..12 4.4.5 MCP Virtual Serial Mode…………………………………………………………………………………………………….13 4.4.6 Modbus–TCP Server Mode…………………………………………………………………………………………….. 13 4.4.7 Modbus–TCP Client Mode………………………………………………………………………………………………….14 4.5 System Status Inquiry…………………………………………………………………………………………………………..15

4.5.1 TCP Status………………………………………………………………………………………………………………………15 4.5.2 UDP Status………………………………………………………………………………………………………………………..15 4.5.3 Serial Port status………………………………………………………………………………………………………………. 15 4.6 System Management………………………………………………………………………………………………………….. 15

4.7 Security Setting………………………………………………………………………………………………………………….. 16

4.8 User Setting………………………………………………………………………………………………………………………..16

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5 Server Troubleshooting Instruction…………………………………………………………………………………………. 17
5.1 Virtual serial software can not search the IP address of the serial server……………………………….. 17
5.2 Cannot open serial port……………………………………………………………………………………………………. 17
5.3 Cannot transmit or receive data………………………………………………………………………………………… 17
5.4 Forget the password you set before…………………………………………………………………………………… 18
5.5 Transmiting and receiving data is garbled…………………………………………………………………………… 18
5.6 Cannot be connected when acting as a TCP server……………………………………………………………….18
6 VCOM software operating instruction……………………………………………………………………………………18
6.1 Device Remote Management…………………………………………………………………………………………….. 18 6.1.3 Jump to web login………………………………………………………………………………………………………20
6.2 Communication port mapping……………………………………………………………………………………………….21 6.2.1 Create virtual serial port…………………………………………………………………………………………….. 21 6.2.2 Delete the virtual serial port……………………………………………………………………………………. 22 6.2.3 Modify virtual serial port……………………………………………………………………………………………. 22 6.2.4 Enable virtual serial port……………………………………………………………………………………………..23 6.2.5 Disable virtual serial port………………………………………………………………………………………….23 6.2.6 Importing virtual serial port list…………………………………………………………………………………23 6.2.7 Exporting virtual serial port list………………………………………………………………………………… 24
6.3 Options………………………………………………………………………………………………………………………………. 25 6.4 About……………………………………………………………………………………………………………………………….26 6.5 End…………………………………………………………………………………………………………………………………..26 6.6 Switch between Chinese and English………………………………………………………………………………….. 26

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1 .Serial Device Server Overview
1.1 Product Description UT-6311C serial communication server, also called terminal server or serial server, is a converter
between asynchronous serial port RS232and Ethernet. It is a standalone intelligent device with CPU and embedded OS and complete TCP/IP protocol stack. It completes transparent data transmission between RS232 and Ethernet in both directions, and allows RS232 serial devices to connect to the network immediately.
Product features: Support dynamic IP (DHCP) and static IP, support gateway and proxy server, can transfer data through Internet. Provide two-way transparent data transmission, realize serial port to TCP/IP function, users do not need to make any modification to the original system. Internal integration of ARP, IP, TCP, HTTP, ICMP, SOCKET, UDP, MODBUS and other protocols. And the device supports secondary development, providing interfaces for custom protocol access. All procedures, there is a setup wizard, as long as you can use the computer can be used.

UT-6311C-EU Serial Device Server

1.2 Main Features
1.2.1 Hardware Feature
Support virtual COM driver software for Windows With serial port, it can be connected to various serial devices such as terminal, Modem, barcode
machine, cash register, ISDN, terminal adapter, serial printer and PC to realize remote control function.
With Reset key to force reset when the machine is dead. With 10/100M adaptive Ethernet port. Each serial port provides 5 signals, including RXD, TXD, RTS, CTS, GND. 32-bit embedded 120MHz CPU with powerful overall performance. Independent indicator lights for network port and power supply, convenient to indicate working
status

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1.2.2 Software Feature Support ARP, IP, ICMP, UDP, TCP, HTTP, DHCP, MODBUS Support Windows extended serial mode
A complete set of extended serial port (com) drivers for Windows-based platforms and a simple and easy-to-use Windows-based hypervisor that can drive up to 1024 serial ports under Windows. In this mode, each serial port of the serial port server can be mapped to the local COM port of the Windows host. This means that using these serial ports is just like using the local COM ports on the host computer, and it also means that all existing software or communication modules applied to the existing serial devices can be used directly without modification. Terminal server parameters configuration Web connection to the terminal server for configuration makes it extremely easy to put the serial server to work. Support software upgrade Supports software upgrades, protecting the user’s investment. Support for status monitoring On the device, not only indicators are provided to analyze the working status of the server, but also statistics on the input/output data of the network port and each port, which can be analyzed by the system administrator.
1.2.3 Security Feature
UT-6311C serial device server adopts the following kinds of security mechanisms to ensure that users can use this product safely enough. The server management password can be set to prevent unauthorized persons from making
arbitrary changes to the serial server to ensure the security of the serial server configuration. The host name to which the port is to be logged in can be qualified, and users of hosts that have
not been backed up through the qualified port will not be able to access the server to ensure secure access to the server. The possibility to restrict the hosts or network segments allowed to access the server, unauthorized users who are not backed up in the host list and the network segment list will not be able to access the server through the network. Serial server Factory IP address 192.168.1.125 Subnet code 255.255.255.0
1.3 Product Application Mode 1.Virtual serial port mode

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2. P2P Mode

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3. P2MP Mode

4. Multi-host mode (up to six hosts)

2. serial device server installation instructions

2.1 Software installation instructions
2.1.1 IP address finder and change software Attachment for detail
2.1.2 Virtual serial software Attachment for detail
2.2 LED indicator description

Definition Name

Light color

Function

PWR

Red

Power indicator

RUN

Green

System operation indicator

DATA

Green

Serial data sending and receiving indicator

Status Always bright 0.5S light, 0.5S off alternating flash Blinking with data, off without data

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2.3 pin definition description
1. Ethernet RJ45 Interface Definition: The 100Base-T pinout is defined in the following table.

Pin No. 1 2 3 4 5 6 7 8

MDI signal BI_DA+/TX+ BI_DA-/TXBI_DB+/RX+
BI_DB-/RX-

MDI-X signal BI_DB+/RX+ BI_DB-/RXBI_DA+/TX+
BI_DA-/TX-

Note: “TX±” is sending data±, “RX±” is receiving data±, “-” is not used

2. Power interface terminal definition:

5.08 Terminal block 1 2

Description
Negative power supply VPositive power supply V+

3. RS-232 pin definition:

DB9 male 1 2 3 4 5 6 7 8

RS-232 N/C RXD TXD N/C GND N/C RTS CTS

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3 Serial Device Server Technical Parameter
3.1 Product Technical Parameter

CPU

32bit 120MHZ

RAM

256K

Ethernet interface

10/100M (embedded 1.5KV electromagnetic isolation) adaptive MDI/MDI-X Ethernet interface, RJ45 interface method

Serial

RS-232

Serial port form DB9 Male(Pin)

Baud rate

300-921600bps

Serial

Check bit Data bit

Nove, Odd, Even 5, 6, 7, 8

Stop bit

1, 1.5, 2

Flow control RTS/CTS, XON/XOFF

Serial Signal RS232: RxD/TxD/GND/RTS/CTS

Indicator light

Power indicator light PWR,Running indicator light RUN

DC-005 DC socket or 2Pin 5.08 terminal for power supply, with built-in protection against

Power connector

reverse connection, to avoid damage to the equipment by wrong positive and negative

connection

Power range

DC 5V±5%

Function buttons

1 factory reset button RESET

Max. operating current

80mA@5V

Housing

Metal housing, protection class IP30

Installation method
Operating environment
Altitude Dimensions L×W×H
Weight

Wall-mounted Storage temperature: -40~85°C Operating temperature: -40~85°C Relative humidity: 5 ~95% (Non-condensing) 0~4000m 100mm×80.8mm×30mm(Without mounting parts) 270g

3.2 Product configuration (based on a set of equipment)

Configuration Model
UT-6311C-EU

Serial Device Server Host
1

Power adapter 1 DC5V/1A

Serial type RS-232

Number of Interface
1

Interface Type
DB9 male

Warranty Card 1

4.serial device server Web operation instruction

4.1 System Login

Account Password Login

User name input domain, default user name: admin Password input domain, default password: admin Click to log in to the system

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Chinese/English

Your Reliable Partner in Industrial IoT Select the interface display language as Chinese or English

4.2 System Setting

Model IPaddress subnet mask Gateway DNS server 1 DNS server 2 DHCP Setting Cancel

Model: UT-6311C System IP address System IP Mask System gateway address Main DNS Address Sub-DNS address Whether to enable DHCP service, Disabled /Enabled Click on Submit Setting Click to cancel the setting

4.3 Serial port parameter setting

Serial Selection

Serial Selection: serial 1or serial 2

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Interface Type Baud rate
Data bit
Stop bit
Parity bit
Flow Control Interval time Frame length Setting Cancel

Your Reliable Partner in Industrial IoT Serial working interface type: RS232, RS485/422 Serial baud rate (the value should be the same as the baud rate of the device connected to the serial port) Data bit (default is 8, specific should be consistent with the device connected to the serial port) Stop bit (default is 1, specific should be consistent with the device connected to the serial port) Parity bit (including None, Even, Odd default to None, the specific should be consistent with the device connected to the serial port) Flow control, optional Auto, CTS/RTS two kinds of ways Interval time, can be set from 0-5000ms, default is 0 Frame length setting, can set 0-1024Byte, default is 0 Click on Submit Setting Click to cancel the setting

4.4 Serial port work mode settingSerial port work mode setting

4.4.1 Datasocket–TCP Server Mode

Connection Mode Connection Type No. of connection Local Port Warranty time
Setting Cancel

Datasocket TCP Server Mode: The device creates TCP server-side services for client connections Set the number of connectable clients Local port for the device to create TCP Server service bindings TCP keep alive time, no data communication in this time interval will automatically disconnect TCP connection Click on Submit Setting Click to cancel the setting

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4.4.2 Datasocket–TCP Client Mode

Connection Mode Connection Type No. of connection Remote IP Remote Port Setting Cancel

Datasocket TCP Clinet Mode: The device creates a TCP client service to connect to the remote server Number of connectable servers Server IP address Server port number Click on Submit Setting Click to cancel the setting

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4.4.3 Datasocket–UDP Client Mode

Connection Mode Connection Type
No. of connection Remote IP Remote Port Setting Cancel

Datasocket UDP Clinet Mode: The device creates a UDP service to communicate with the remote UDP Number of connections to the server Remote UDP IP address Remote UDP port number Click on Submit Setting Click to cancel the setting

4.4.4 VCOM virtual serial mode
TCP/IP virtual serial port mode works in the windows system environment, through the driver to map the port on the serial server into a virtual COM port of the local host, so that the original COM port-based operation of the upper software without any modification as if the application of the local real COM port, the driver can support up to extend to COM1024, making the monitoring of serial devices More flexible and convenient, multiple connection resources can also do connection backup.

Connection Mode Warranty time Data Port Command Port Setting Cancel

VCOM TCP warranty time Data communication port Command port for maintaining virtual serial port connections after mapping Click on Submit Setting Click to cancel the setting

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4.4.5 MCP Virtual Serial Mode

Similar to VCOM, this mode works in the windows system environment, through the driver to map the

port on the serial server into a virtual COM port of the local host, so that the original COM port-based

operation of the upper end of the software without any modification as if the application of the local

really COM port, and the difference with VCOM mode is the use of different Windows driver software,

to be compatible with The difference between VCOM mode and VCOM mode is the different driver

software used under Windows, in order to be compatible with many port mapping software.

Connection Mode MCP

Warranty time

TCP warranty time

Data Port

Data communication port

Command Port Setting

Command port for maintaining virtual serial port connections after mapping Click on Submit Setting

Cancel

Click to cancel the setting

4.4.6 Modbus–TCP Server Mode

The device supports standard Modbus-TCP and Modbus-RTU frame protocol.

Connection Mode Modbus

Connection Type

TCP Server Mode

No. of connections Local Port

Number of connected clients Local port for the device to create TCP Server service bindings

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Warranty time Setting Cancel

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4.4.7 Modbus–TCP Client Mode

Connection Mode Connection Type No. of connection Remote IP Remote Port Setting Cancel

Modbus TCP Clinet Mode: The device creates a TCP client service to connect to the remote server Number of connectable servers Server IP address Server port number Click on Submit Setting Click to cancel the setting

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4.5 System Status Inquiry 4.5.1 TCP Status Display the current system TCP connection status

4.5.2 UDP Status Display the current system UDP connection status

4.5.3 Serial Port status Display the current system serial port configuration status and data sending and receiving statistics

4.6 System Management

Firmware Version

Hardware Version

Restore

factory

Display the current device firmware version number Display the hardware version number of the current device Click the button to restore factory setting

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setting Firmware Upgrade

Your Reliable Partner in Industrial IoT Click to select the upgrade file to upgrade the current device firmware version

4.7 Security Setting
IP address filtering settings, IP segments in the filter range will not be able to access the server through WEB.

4.8 User Setting
Logout Modify password
Setting Cancel

Clicking on Logout will exit the WEB login Modify the login password: enter the old password, the new password, and confirm by entering the new password again Click on Submit Setting Click to cancel the setting

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4.9 Save Settings and Take Effect Click the Reboot button system to make the configuration take effect.

5 Server Troubleshooting Instruction
5.1 Virtual serial software can not search the IP address of the serial server First of all, check the physical connection is or normal, network cable (distinguish between
cross-line and direct line) and power supply is connected, observe the power indicator, LAN light, ACT (connected to the 10M network, this light does not light, 100M light) The host network card is or available, can not communicate with other local hosts Close all the tools and software that can block broadcast packets (do not open the firewall that comes with the system) In the browser to enter the configuration, set the IP when the sudden abnormal disconnection, such as: power failure, after the device can not be searched, by long press the device “reset” button 5s to restore the factory settings, the factory IP address is static: 192.168.1.125
5.2 Cannot open serial port Make sure the network is working properly and can ping through the server Check whether the virtual serial port is established successfully Check the working status to see if the port is occupied Delete the corresponding COM port in the registry and remap it.
5.3 Cannot transmit or receive data Ensure that the serial port can be opened normally Observe whether the IP and port number under [connected to 0 from 1] of [serial to Ethernet tool] prompt “connected”, if it does not grow, check the connection between the serial port and the upper network. Observe whether the value of “Transmit” and “Received” under [connected to 0 from 1] of [serial to Ethernet tool] has grown, if not, check the connection between the serial port and the upper network, if the value of “Transmit” has grown, check the connection between the serial port and the upper network. If “transmit” has grown, “received” has not grown to detect the connection between the serial port Check whether the created Ethernet service matches with the corresponding serial port

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5.4 Forget the password you set before By pressing and holding the device “reset” button for 5 seconds and then release, the device
restores the factory settings, at this time, the factory initial account password admin: admin to log into the system.
5.5 Transmiting and receiving data is garbled Check whether the wiring is correct, 485 devices should pay attention to the parallel problem. Check whether the line distance exceeds the standard distance and the quality of the line (also by
lengthening the line transceiver or optical partition) Check whether the set serial port parameters (baud rate, data bits, stop bits, parity bits, etc.)
match the bottom device Detached from the client’s top software, with the network or serial debugging assistant can
receive normal data, if you can receive normal data, the problem may be related to the packaging mechanism, you can set the length of the packaging and packaging waiting time in the “serial port settings”.
5.6 Cannot be connected when acting as a TCP server Confirm whether the current network environment is normal Confirm that the IP address and port number of the client connection are correct Confirm that there is no other PC connected to the corresponding port of the serial
communication server If the above methods can not solve your problem, please contact the manufacturer
6 VCOM software operating instruction
6.1 Device Remote Management
6.1.1 Equipment Inquiry After connecting the device, start the attached software “VCOM” (Figure 1 below), select Remote Device Management – “Add Device” to bring up the search interface to find all the UT-6312 series IP addresses in your network; as shown in Figure 2, select the “Search” button to find all the UT-6312 series IP addresses and basic information in your network; as shown in Figure 3, click the “OK” button in Figure 3 to display the search information in the VCOM interface. “button to find all the UT-6312 series IP addresses and basic information of the network you are in; as shown in Figure 3, click the “OK” button in Figure 3 to display the search device information in the VCOM interface, as shown in Figure 4.

Figure 1

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Figure 2

Figure 3

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Figure 4
6.1.2 Delete serial device information In the software “VCOM”, first select the device information, then select the remote device management interface, click “Delete Device” to delete the device information, as shown in Figure 5 below
Figure 5
6.1.3 Jump to web login In the software “VCOM”, select the remote device management interface, click “Open in browser”, and then you can enter the web login interface through IE browser. As shown in Figure 6

Figure 6

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6.2 Communication port mapping 6.2.1 Create virtual serial port In the software “VCOM”, select Communication Port Mapping – Add Communication Port to bring
up the “Add Device” window, Figure 7 below

Figure 7
The “Add Device” window appears, select the device and click “OK” as shown in Figure 8 below

Figure 8

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Your Reliable Partner in Industrial IoT After that, the following interface will pop up, that is, the corresponding virtual serial port is
created, as shown in Figure 9
Figure 9
6.2.2 Delete the virtual serial port In the software “VCOM”, first select the virtual serial port to be deleted, and then select the
communication port mapping interface, click “Delete Communication Port” to delete the virtual serial port, as shown in Figure 10 below
Figure 10
6.2.3 Modify virtual serial port In the software “VCOM”, first select the virtual serial port you need to modify, then select the communication port mapping interface, click “modify communication port number” pop-up interface as shown in Figure 11 below, and then select “COM2 “You can modify Port1 corresponding to “COM2” to “COM4”, as shown in Figure 12

Figure

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Figure 12
6.2.4 Enable virtual serial port In the software “VCOM”, first select the virtual serial port to be disabled, and then select the communication port mapping interface, click “Enable Communication Port” to enable the corresponding virtual serial port, as shown in Figure 13 below
Figure 13
6.2.5 Disable virtual serial port In the software “VCOM”, first select the virtual serial port to be disabled, and then select the communication port mapping interface, click “Disable communication port” to disable the corresponding virtual serial port, as shown in Figure 14 below

Figure 14
6.2.6 Importing virtual serial port list
In the software “VCOM”, select the communication port mapping interface, click “Import communication port list” to bring up the interface as shown in Figure 15 below, click “Browse”, select the saved virtual serial port configuration information as shown in Figure 16, click “OK” to import successfully. Click “Browse”, select the saved virtual serial port configuration information as shown in Figure 16, and click “OK” to import successfully.

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Figure 15

Figure 16
6.2.7 Exporting virtual serial port list
In the software “VCOM”, select the communication port mapping interface, click “Export communication port list” to bring up the interface as shown in Figure 17 below, click “Browse” and select the path of the virtual serial port configuration information to be saved as shown in Figure 18, click “OK” to export successfully as shown in Figure 19. After clicking “Browse”, select the path of the virtual serial port configuration information to be saved as shown in Figure 18, and click “OK” to export successfully as shown in Figure 19.

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Figure 17

Figure 18

6.3 Options

Figure 19

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Your Reliable Partner in Industrial IoT Select whether to open the VCOM software directly or minimize it on the taskbar when opening it; by default, the software is minimized on the taskbar, as shown in Figure 20 below
Figure 20
6.4 About Click the “About” button to view the software version information as shown in Figure 21 below

Figure 21
6.5 End Click the “Exit” button to exit the software 6.6 Switch between Chinese and English Click to select the Chinese and English interface, as shown in Figure 22

Figure 22

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References

• uotek.com

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