CoolGear USB-232TTLMOS User manual

USB to RS232 TTL |
CMOS Adapter Cable
with Terminal Block
Product Manual
Coolgear, Inc.
Version 1.1
April 2018
Model Number: USB-232TTLMOS
www.coolgear.com

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Revision History
Revision Date Author Comments
1.1 04/17/2018 Coolgear New Manual
About this document
This product manual outlines installation and features of the USB-232TTLMOS USB to
RS232 TTL | CMOS Adapter Cable with Terminal Block.
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; PC and Server Serial Communication.
Product Support
[email protected]

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Table of Contents
1. Introduction.........................................................................................................4
1.1 Features .................................................................................................................. 4
2. Jumper Settings....................................................................................................5
2.1 Non-Isolated Version Settings ................................................................................ 5
2.2 Isolated Version Settings ........................................................................................ 6
3. Plugging the Adapter Cable ..................................................................................7
4. Installing Drivers ..................................................................................................8
4.1 Driver Locations on the CD ..................................................................................... 8
4.2 Installing Drivers with Installer ............................................................................... 8
5. 5-Pin Terminator Block Pin-outs and Cable Wiring ................................................9
6. Environmental Specifications .............................................................................10
7. Notes, Tips, and Warnings ..................................................................................11
8. Supporting References .......................................................................................12
Table of Figures
Figure 1 – Jumper Settings…………….…..…….……………………………………………………………….…..5
Figure 2 – Logic Level Pin-out.…………………………………………………………………....….…………..….6
Figure 3 – Plugging the Adapter……………………………………………………….…………………..………..7
Figure 4 – Installing Drivers………………………….……………………….……………………..…………..……8
Figure 5 – Terminator Block Pin-out..………………………...…………………………………………………9

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1. Introduction
The USB-232TTLMOS USB to RS232 TTL/CMOS Adapter Cable w/ 5-pin Terminal Blocks is
an intelligent expansion cable that connects to a PC or server via the Universal Serial Bus
(USB), providing high-speed serial connectivity. The serial port is fully compatible with
RS232 serial standard but with TTL/CMOS logic level instead. There are 2 models
available, one is non-isolated and the other is isolated version. With the selectable logic
level voltage, it is an ideal and instant solution for most critical applications.
WEIGHT .231 lbs
DIMENSIONS 1.77”(L)x1.65”(W)x1.15”(H) (4.49 x 4.18 x 2.20 cm)
CABLE LENGTH 5ft.
UPC 736983902375
WARRANTY 1 year from date of purchase
COLOR Black
PORTS 5-Pin Terminal Block
1.1 Features
•TAA Compliant
•Provides 1 TTL/CMOS RS232 Serial Port
over USB Port.
•Supports 3-Signal TTL/CMOS RS232
Conversion: (TXD, RXD, GND).
•Supports a 5-pin Terminal Blocks for
TTL/COMS Signal Wiring.
•5V/3.3V/2.5V/1.8V Logic Level
Selectable by DIP Switch.
•Signal Levels are Similar to Standard
RS232 but in TTL/CMOS Swing Level.
•
Easy Serial Port Expansion over USB
Port.
•USB1.1 and USB2.0 Forward
Compatible.
•Supports Serial Speed from 300bps to
921.6Kbps.
•Supports 7,8 Data Bits.
•Odd, Even, Mark, Space, None parity
mode.
•Supports 1, or 2 Stop Bits.
•Supports XP, Vista, Win 7, 8, 10, Linux
and Mac OS.

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2. Jumper Settings
The configuration of the Adapter Cable is made via a DIP switch as shown by the
following picture. The pin#1 to 3 is for non-Isolated version only. Pin#4 is dedicated for
the isolated version only.
Figure 1
2.1 Non-Isolated Version Settings
Note: Only one of the 3 DIP switch pins (pin#1~3) is allowed to be set to ON anytime. Set
2 or more DIP switch pins ON will make the logic level voltage incorrectly merged
together and cause the hardware conflict.
Note: You need to install driver first, prior to hardware installation. After the setting of
DIP switches and connecting power cord to the adapter, you then plug the adapter to
USB port to start driver installation.
DIP Switch Settings Description
5V Logic Level (Default)

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3.3V Logic Level
Logic Level is determined by the external DC
voltage value applied on the Pin#4 of the 5-pin
Terminal Blocks. If 2.5V is applied, then the Logic
level is set to 2.5V
Figure 2
2.2 Isolated Version Settings
The Isolated version setting is very simple, only 5V or 3.3V depends on the Pin#4 DIP
switch settings. The default is set at 5V.
DIP Switch Settings Description
5V Logic Level (Default)
3.3V Logic Level

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3. Plugging the Adapter Cable
1) Plug the USB Type-A end of the Adapter Cable into the USB host port of your PC
or into an available USB port on a USB hub.
2) Connect the RS232 Serial Device to the TB-5 connector of the Adapter Cable.
3) The default logic level of this Adapter Cable is 5V. If your Serial Device’s logic
level is not 5V, you need to change the DIP settings to match it.
Figure 3
4) Proceed with the next section “Installing Drivers” to install the virtual COM port
drivers for your Operating System.

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4. Installing Drivers
The Adapter Cable 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.
4.1 Driver Locations on the CD
Figure 4
4.2 Installing Drivers with Installer
•Insert the Driver CD supplied with the Adapter Cable.
•Run (or double click) the Installer Program (e.g. CDM v2.12.06 WHQL
Certified.exe ) in the corresponding folder for the OS on the driver CD:
•Follows the instructions of the installer program to complete the setup
procedures.
•Plugging the Adapter Cable will hook the drivers into the Windows kernel
automatically.

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5. 5-Pin Terminator Block Pin-outs and Cable Wiring
Figure 5
Note: Pin#3 (VOUT) of the TB-5 connector is an output voltage which indicates the logic
level it is working at. Check the voltage value between it and the GND pin (TB-5’s pin#5)
will verify if this Adapter Cable is working at the correct logic level you want.

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6. Environmental Specifications
Power Requirements: 5V DC, 135mA (max)
Operating Temperature: 0 to 55°C (32 to 131°F)
Operating Humidity: 5 to 95% RH

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7. Notes, Tips, and Warnings
Note
Note: You need to install driver first, prior to hardware installation. After the
setting of DIP switches and connecting power cord to the adapter, you then
plug the adapter to USB port to start driver installation. Reference section
2.1
Note: Pin#3 (VOUT) of the TB-5 connector is an output voltage which
indicates the logic level it is working at. Check the voltage value between it
and the GND pin (TB-5’s pin#5) will verify if this Adapter Cable is working at
the correct logic level you want. Reference section 5
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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8. Supporting References
Document Link
Website Product Page https://www.coolgear.com/product/usb-to-rs232-ttl-cmos-
adapter-cable-with-terminal-block
© 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.