CoolGear USBG-232MINI User manual

2 USBG-232MINI – PRODUCT MANUAL
www.coolgear.com
Revision History
Revision Date Author Comments
1.0 07/15/2015 Coolgear Old format
1.1 01/15/2018 Coolgear New manual format
About this document
This product manual outlines installation and features of the USBG-232MINI USB RS-232
Mini USB to RS-232 Serial Adapter DB-9 Male Converter.
Scope
The scope of this manual is to give the user of the product an understanding of its use
with detailed diagrams and verbiage. The manual helps the users to apply the product
to their application.
Intended Audience
This product is intended for use in office or industrial applications were serial
communication between device and computer is necessary. It can be used with bar
code scanners, stenographers, modems and other devices.
Product Support
[email protected]upport@coolgear.com

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Table of Contents
1. Introduction.........................................................................................................5
1.1 About the Cable ...................................................................................................... 5
1.2 Features .................................................................................................................. 5
1.3 Windows 7/ Vista / 2003 / XP / 2000 Driver Installation........................................ 6
1.4 Check Installation.................................................................................................... 7
1.5 Uninstalling Windows 2003/XP/2000 Drivers ........................................................ 7
2. Uninstalling Windows 7 or Vista Drivers .............................................................11
3. RS-232 Signal Pin-outs of DB-9 Male ...................................................................14
4. Notes, Tips, Warnings, and Safety.......................................................................15
5. Product URL .......................................................................................................16

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Table of Figures
Figure 1 DOS Window Install .............................................................................................. 6
Figure 2 FTDI Status Ready Dialog Box ................................ Error! Bookmark not defined.
Figure 3 Disconnect FTDI Devices Dialog Box ...................... Error! Bookmark not defined.
Figure 4 Uninstall all FTDI drivers Dialog Box ...................... Error! Bookmark not defined.
Figure 5 Cancel Driver Installation Dialog Box..................... Error! Bookmark not defined.
Figure 6 FTDI Sytem Clean Completed Dialog Box .............. Error! Bookmark not defined.
Figure 7 Add Remove Programs Dialog Box ........................ Error! Bookmark not defined.
Figure 8 Control Panel Dialog Box........................................ Error! Bookmark not defined.
Figure 9 COM Ports Dialog Box............................................ Error! Bookmark not defined.
Figure 10 Confirm Device Uninstall Dialog Box 1 ................ Error! Bookmark not defined.
Figure 11 Locate Device Dialog Box ..................................... Error! Bookmark not defined.
Figure 12 Confirm Device Uninstall Dialog Box 2 ................ Error! Bookmark not defined.
Figure 13 DB-9 Pin Connector Pin Out Diagram .................. Error! Bookmark not defined.

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1. Introduction
The USBG-232MINI USB Serial Adapter is designed to make serial port expansion quick
and simple. Connecting to a USB port on your computer or USB hub, the USB Serial
Adapter instantly adds serial communication port to your system. By taking advantage
of the USB bus, the USB Serial Adapter makes it easier than ever to add serial port and
serial device to your system with easy plug-and-play and hot plug features. Adapting the
new technology, the serial port expansion now takes the new bus with easy and
convenient connectivity.
WEIGHT 0.075 lbs.
UPC 729440625108
ADAPTER DIMENSIONS 65.50mm(L) x37.10mm(W) x 18.80mm(H)
WARRANTY 1 year from date of purchase
COLOR Blue
PORTS USB Type-A Male / DB-9 Male with Hex Nut
1.1 About the Cable
Protocol Connector Shell
Adds one serial port to your
desktop or laptop
computer. Uses RS-232
Protocol communication
USB Type-A Male to Male
DB-9 pin connector with
hex nut tightening.
Translucent blue shell
surrounds the circuit with
TxD and RxD LED indicators.
1.2 Features
Feature List
•Adds one RS-232 serial port by connecting to a USB port.
•Includes 3ft. USB extension cable.
•Installed as standard Windows COM port
•Full RS-232 modem control signals and hardware/software flow control
•RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
•High speed serial port with the baud rate up to 921.6K bps
•Non-standard baud rates supported
•LED status indicators for TxD and RxD for easy port monitoring and diagnostic
•Serial port protected with surge protection of 10KV
•Powered by USB port, no external power adapter required

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•
Easy plug and play installation and RS-232 device connection
•COM port number assigned can be changed to any COM port number required
•Works with USB 1.1 & 2.0 host port
1.3 Windows 7/ Vista / 2003 / XP / 2000 Driver Installation
You need to have administrator privileges to install any new drivers under Windows 7/
Vista / 2003/ XP / 2000. To install the driver or update the configuration please log onto
Windows as "Administrator" or ask your system administrator to install the USB-COM
driver.
Note: You need to install driver first, prior to hardware installation. Do not connect the
USB-to-Serial Adapter to the USB port of your computer, before you finish driver
installation.
Please proceed with the following steps to install the driver:
1. Insert the “USB COM Series Driver and Utility” CD into your CD-ROM.
2. The “USB COM Series Driver and Utility CD” dialog box appears.
3. Under “Driver Installation”, double click “Windows 7, Vista, 2003, XP, 2000
driver” to install the device driver.
4. The USB COM install program will auto-detect the OS type and install the driver
automatically. (Note: in Windows 7 or Vista OS you will find another dialog box,
please click on “OK” to confirm the drivers install program).
Figure 1
5. After the message “FTDI CDM Driver installation process completed” appears,
press “Enter” to complete the driver installation.
6. Plug in the USB to Serial Adapter to the USB port of your computer. Windows
will finish installing the driver files.

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1.4 Check Installation
You can now verify the installation has been completed successfully by looking under
Device Manager of the System Properties screen. (Go there by Start-Setting- Control
Panel-System Properties-Hardware-Device Manager.
The device should have installed as a "USB Serial Port (COMx)" attached to "USB Serial
Converter (A/B or A/B/C/D)".
Change COM Port Properties & COM Port Number
This feature is particularly useful for programs, such as HyperTerminal, which only work
with COM1 through COM4. Please ensure that you do not change the COM Port
Number already in use.
To change the virtual COM port properties:
•Select the "USB Serial Port"
•Click “Properties”.
•Select "Port Setting" and “Advanced”.
•Click the drop down arrow on COM Port Number and scroll to the required COM
port. Select "OK".
•Return to the Device Manager Screen. You will see that the USB Serial Port
installation has been changed to the new COM Port Number.
1.5 Uninstalling Windows 2003/XP/2000 Drivers
1. Insert the “USB COM Series Driver and Utility” CD into your CD-ROM.
2. The “USB COM Series Driver and Utility CD” dialog box appears.
3. Under “Driver uninstalling”, double click “Windows 2003, XP, 2000 driver
uninstall” to uninstall the device driver.
4. When following dialog box appears, double click “Clean System” to uninstall the
2003/XP/2000 drivers.

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Figure 2
5. You need to disconnect all USB to serial Adapters from your PC, when the
message below appears. Double click “OK” to start uninstalling Windows
2003/XP/2000 USB to Serial drivers.
Figure 3
6. Double click “Yes” to confirm it.
Figure 4

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7. Click “No” to proceed.
Figure 5
8. When the message “Status: System clean completed” appears, double click
“Exit” to complete the USB to serial drivers uninstall.
Figure 6
9. Press “Start” button and select “Control Panel”.
10. Press “Start” button and select “Control Panel”.

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Figure 7
11. Remove the first “Windows Driver Package – FTDI CDM Driver Package (…)”.
12. Click “Chang/Remove” and “Yes” to remove the first Windows Driver Package.
13. Remove the second “Windows Driver Package – FTDI CDM Driver Package (…)”.
14. Click “Change/Remove” and “Yes” to remove the second Windows Driver
Package.
15. Reboot the computer to complete the driver uninstall.

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2. Uninstalling Windows 7 or Vista Drivers
Windows 7 and Vista have many new security features. You need to proceed with the
following steps to uninstall the Vista driver:
1. The USB to serial devices must connect to the PC.
2. Press “Start” button and select “Control Panel”.
3. Select “Classic View” from the top left hand corner and then “System” from the
list.
4. Select “Device Manager” from the top left hand corner.
Figure 8
5. Locate your Device under the Ports (COM & LTP) section and right click on it to
bring up the menu shown.
Figure 9

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6. Select uninstall and be sure to click the box for “Delete the driver software for
this device” in the next window and press “OK”.
Figure 10
Note: if you have more than one USB Serial Port (COMx) installed in your PC, you need
to repeat from step 5 to step 6 to delete the driver software for each port.
7. Locate your Device under the Universal Serial Bus Controllers section, and right
click on it to bring up the menu shown.
Figure 11
8. Select uninstall and be sure to click the box for “Delete the driver software for
this device” in the next window and press “OK”.

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Figure 12
Note: if you have more than one USB Serial Converter installed in your PC, you need to
repeat step 7 and step 8 to delete the driver software for all devices.

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3. RS-232 Signal Pin-outs of DB-9 Male
Figure 13
PIN DCD
Pin 2 RxD
Pin 3 TxD
Pin 4 DTR
Pin 5 GND
Pin 6 DSR
Pin 7 RTS
Pin 8 CTS
Pin 9 RI

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4. Notes, Tips, Warnings, and Safety
Note
You need to install driver first, prior to hardware installation. Do not connect
the USB-to-Serial Adapter to the USB port of your computer, before you
finish driver installation. Reference section 1.3
If you have more than one USB Serial Port (COMx) installed in your PC, you
need to repeat from step 5 to step 6 to delete the driver software for each
port. Reference section 2
If you have more than one USB Serial Converter installed in your PC, you
need to repeat step 7 and step 8 to delete the driver software for all devices.
Reference section 2.
Tip N/A
Warning N/A
Safety N/A
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