CoolGear USB RS-232 User manual

USB RS-
232 Single Port
Serial Adapter works
with Windows 10
Product Manual
Coolgear
Version 1.0
January 2018
Model Number: USBG-232
www.coolgear.com

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Revision History
Revision Date Author Comments
1.0 07/06/2015 Coolgear Old format
1.1 01/11/2018 Coolgear New manual format
About this document
This product manual outlines installation and features of the USBG-232 USB RS-232
Single Port Serial Adapter works with Windows 10.
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][e-mail]

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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
2. Uninstalling Windows 7 or Vista Drivers .............................................................10
3. RS-232 Signal Pin-outs of DB-9 Male ...................................................................13
4. Notes, Tips, Warnings, and Safety.......................................................................14
5. Product URL .......................................................................................................15

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Table of Figures
Figure 1 DOS Window Install .............................................................................................. 6
Figure 2 FTDI Status Ready Dialog Box ............................................................................... 7
Figure 3 Disconnect FTDI Devices Dialog Box ..................................................................... 8
Figure 4 Uninstall all FTDI drivers Dialog Box ..................................................................... 8
Figure 5 Cancel Driver Installation Dialog Box.................................................................... 8
Figure 6 FTDI Sytem Clean Completed Dialog Box ............................................................. 9
Figure 7 Add Remove Programs Dialog Box ....................................................................... 9
Figure 8 Control Panel Dialog Box..................................................................................... 10
Figure 9 COM Ports Dialog Box......................................................................................... 10
Figure 10 Confirm Device Uninstall Dialog Box 1 ............................................................. 11
Figure 11 Locate Device Dialog Box .................................................................................. 11
Figure 12 Confirm Device Uninstall Dialog Box 2 ............................................................. 12
Figure 13 DB-9 Pin Connector Pin Out Diagram ............................................................... 13

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1. Introduction
The USBG-232 USB Serial Adapter with FTDI 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 0.068 lbs.
UPC 729440691004
ADAPTER DIMENSIONS 63.48mm(L) x 40.73mm(W) x 22.74mm(H)
CABLE LENGTH 11.5 inches total
WARRANTY 1 year from date of purchase
COLOR Blue
PORTS 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
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.
•Compact size cable type converter with cable length of 12 inches.
•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

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•
Powered by USB port, no external power adapter required
•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.

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6. Plug in the USB to Serial Adapter to the USB port of your computer. Windows
will finish installing the driver files.
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:
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.
Figure 2
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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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
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.

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Figure 6
9. Press “Start” button and select “Control Panel”.
10. Press “Start” button and select “Control Panel”.
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
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
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 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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5. Product URL
https://www.coolgear.com/product/usb-rs-232-single-port-serial-adapter-works-with-
all-windows-and-mac