CoolGear USBG-8COM-M User manual

Industrial 8-Port DB-9
RS232 to USB Adapter
High-Speed FTDI Chip
Product Manual
Coolgear, Inc.
Version 1.1
March 2018
Model Number: USBG-8COM-M
www.coolgear.com

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Revision History
Revision Date Author Comments
1.1 03/08/2018 Coolgear New Manual
About this document
This product manual outlines installation and features of the USBG-8COM-MIndustrial 8-
Port DB-9 RS232 to USB Adapter High-Speed FTDI Chip.
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 allows the users to apply the product
to their application.
Intended Audience
This product is intended for use in numerous industries including but not limited to
applications such as; Factory Automation, Multi-Drop Collection, Serial Equipment,
Kiosk, Office, and others.
Product Support
[email protected]

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Table of Contents
1. Introduction.........................................................................................................4
1.1 Features .................................................................................................................. 4
1.2 Adapter Diagram..................................................................................................... 5
1.3 Plugging in the Adapter .......................................................................................... 5
2. Installing Drivers ..................................................................................................6
3. DB9 Pin Assignments and Cable Wiring.................................................................7
4. Notes, Tips, and Warnings ....................................................................................8
5. Supporting References .........................................................................................9
Table of Figures
Figure 1 – Adapter Diagram………………..…….……………………………………………………………….…..5
Figure 2 – Installing Driver…………………………………………..…………….…………………………….….…6
Figure 3 – DB9 Pin Assignment………………………………………………………..…………………..………..7
Figure 4 – DB9 Cable Wiring……………………………………..…………………………………..………….……7

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1. Introduction
This USBG-8COM-M RS232 to USB Multi Serial Port Adapter is an intelligent module that
connects to a PC or server via the Universal Serial Bus (USB), providing high-speed serial
connectivity. The serial ports are fully optically isolated and surge protected. With its
rigid metal case, it is an ideal solution for most critical applications.
WEIGHT 1.193 lbs
DIMENSIONS 6.83(L) x 3.83(W) x 1.70in(H)
UPC 729440626983
WARRANTY 1 year from date of purchase
COLOR Black
PORTS 8 DB-9 Serial Port
1.1 Features
•TAA Compliant
•Provides 8 DSUB-9 RS-232 Serial Ports
over USB.
•Baud rates from 300 bps to 921.6Kbps.
•Supports 7, 8 Data Bits.
•Odd, Even, Mark, Space, or None parity
mode.
•Supports 1, or 2 Stop Bits.
•Supports USB Bus Power.
•DC Jack for optional DC 5V Power
Input.
•Optional setting to provide +5v DC
power over pin #9 of the DB9 RS232
Connectors.
•Supports Windows 10, 8, 7, Vista, 2003,
XP, 2000.

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1.2 Adapter Diagram
Figure 1
1.3 Plugging in the Adapter
1) Connect the AC/DC Adapter if your USB bus power is not enough to drive the
whole unit.
2) Plug the Type-A end of the USB cable into the USB Host Port of your PC or into
an available USB port on a USB Hub.
3) Plug the Type-B end of the USB cable into the back of this unit.
4) Proceed with the next section “Installing Drivers” to install the virtual COM port
drivers for your Operating System.

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2. Installing Drivers
The RS-232 Multi-Port serial adapter can be hot-plugged to the USB port of your
computer due to the specifications of USB. It supports the following operating systems.
The drivers are shipped in the following folder on the supplied driver CD.
1) Driver Locations on the CD
These instructions are for installing the drivers from the CD supplied with the product. If
you are installing drivers for Win98, ME, 2000, or XP, when prompted for the location of
the drivers, specify your CD-ROM drive and the locations according to the following
table:
Figure 2
2) Installing Serial Port Drivers for Win98, ME, 2000, XP
•Insert the Driver CD supplied with the Adapter
•Connect the USB cable, the “Add New Hardware Wizard” appears. Click Next.
•Select “Search for the best driver for your device” and click Next.
•Assuming the CD-ROM is in drive E:, select “Specify a location” and browse to the
following folder: E:\USB_to_IO\FTDI\Win2000_XP_2003 (for Win2000, XP or
server 2003) or E”\USB_to_IO\FTDI\Win98_ME (for Win98 and ME)
•Click Next, Windows will then copy the driver files.
•Click Finish to complete the driver installation.
•After installing the drivers, Windows will detect the new COM ports and will
begin to initialize them. Your new COM ports, numbered sequentially following
the existing ports in your system, and they are now ready!

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3. DB9 Pin Assignments and Cable Wiring
DB9-Male Pin Assignment
Figure 3
DB9-Male to DB9 Male Cable Wiring
Figure 4

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4. Notes, Tips, and Warnings
Note N/A
Tip N/A
Warning N/A
Safety
•Read the entire Product Manual before implementing this product for
your application. This manual contains important information about
electrical connections that must be followed for safe and proper
operation.
•Inspect the product closely for visual defects before putting it to use.
•Keep away from areas where moisture builds, this product contains
electrical components that can be damaged by moisture build up, this
can adversely affect your equipment connected to it.
•Do not disassemble the product. Handling the product’s internal
components can expose it to ESD (Electro-Static Discharge) hazards
that can affect the function of the device.
•If this product is not functioning properly, email our support team at
[email protected].

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5. Supporting References
Document Link
Website Product Page https://www.coolgear.com/product/industrial-8-port-db-
9-rs232-to-usb-adapter-high-speed-ftdi-chip-921-6kbps
© 2017 Coolgear, Inc. All Rights Reserved. All products and accompanying digital documentation including images are the property
and / or trademarks of Coolgear Inc. Coolgear Inc. are continuously improving upon its products. Product specifications are subject
to change without notice.