KSH International US-101-232 User manual

USB to RS-232
US-101-232
USB To Serial Operation Manual

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Table of Contents
1. Introduction ……………………………………………… 2
2. Package checklist …………………………………………… 3
3. Product Specification …………………………………… 4
4. Product Panel Views Description …………………… 6
Product Views ………………………………………………… 6
USB Type A Connector ……………………………………… 6
Serial I/O Port of RS-232 ………………………..…………… 7
5. Driver installation ………………………………………… 8
Driver Installation …………………………………………… 8
6. Hardware Installation & Setup ……………………… 12
Hardware installation ………………………………………… 12
Hardware setup ………………………………………………… 14
Appendix A - Pin Outs and Cable Wiring ………… 18
USB Layout Diagram ………………………………………… 18
RS-232 Pin Assignment ……………………………………… 18
RS-232 Wiring Diagram ……………………………………… 18

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Introduction
Thank you for your purchase of US-101-232 as the USB to serial adapter.
Featuring USB(Universal Serial Bus) interface technology, it is converted the USB
to RS-232, so it can be easily adopted for industrial machines with RS232
interfaces. US-101-232 is compatible with fully compatible with the USB V1.0～
2.0 . US-101-232’s electrical power is from USB port and doesn't need any power
adapter. You can connect a PC USB port or USB hub to US-101-232 via the USB
cable and High-Speed RS-232 serial port which features easy connectivity for
traditional serial devices in your working environments.
The RS232 standard supports handshaking signals (such as RTS, CTS) and
full-duplex communication.

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Package checklist
US-101-232 product is shipped with the following items:
1 unit of US-101-232 USB to RS-232 converter
1 unit of A type to A type USB cable
User Operation Manual
Software CD
NOTE: Notify your sales representative if any of the above items is missing or
damaged

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Product Specification
Serial Port
RS-232
●No. of Ports : RS-232 * 1 Port
●Port Type : DB-9 male connector
●RS-232 Signals : DCD , RX , TX , GND , RTS , CTS , DTR , DSR
●Receive buffer : 576 Byte
●Transmit buffer : 640 Byte
●Baud Rate Speed : 300 bps〜921.6k bps
●Parity :None , Odd , Even , Space , Mark
●Data Bit : 5 , 6 , 7 , 8
●Stop Bit: Auto-Detection : 1 , 1.5 , 2,
●Flow Control : X-On / X-Off or Hardware
●Connected Serial port type identification : Auto-Detection
●15KV ESD for all signal
USB Port
No. of Ports : USB * 1 Port
●Chipset : Silicon Laboratories CP2102
●Fully compatible with the USB 1.0, 1.1, 2.0
●USB type A connector
●Baud Rates : Full speed 12 Mbps.

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Driver OS Support
●Windows –98E / 2000 / XP / Server 2003 /Vista , Mac osx / os9 , Linux 2.4 / 2.6
Power :USB bus power as voltage DC +5V
Environment :
●Operating Temperature: 0℃〜60℃
●Storage Temperature : -20℃〜85℃
Humidity: 5-95% RH
Dimensions : 55 * 40 * 25 mm ( W * D * H )
WEIGHT : 35 gm
Regulatory Approved :
●EMC : FCC Class A, CE Class A
●WARRANTY : 1 Year

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Product Panel Views Description
US-101-232 Product Views
USB Type A Connector
Power Outlet - The US-101-232 USB to RS-232 is powered by USB
(Universal Serial Bus) port a single 5V DC (Inner positive/outer negative)
power supply and 500mA of current. To connect the USB cable to between
a PC USB port or USB hub and US-101-232’s USB port.
Serial I/O Port
RS-232
USB Type A
Connector
USB Type A Port

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US-101-232’s USB port is a USB type A connector and it is fully compatible
with the USB V1.1～2.0
Serial I/O Port
Serial I/O Port of RS-232
To connected the serial data cable between the converter and the serial
device. Follow the parameter setup procedures to configure the converter
(see the following chapters).
Serial I/O Port
RS232

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US-101-232 Driver Installation
When setting up US-101-232 adapter for the first time, you have to install CP201x
as “US-101-232 Driver”first in your computer device before connecting it. There
are several kind OS as Windows 98 / 2000∕2003 / XP∕VISTA…, Linux …，Mac….
The utility CD is enclosed in the device box.
All the US-101-232 USB to RS-232 Adapters must be installed the driver first
before you use it.
Driver Installation
Before when connecting up US-101-232 adapter for the first time, you have
to install the driver software in your computer first. US-101-232’s driver has
supported several kinds of OS like Windows, Mac and Linux
A. Install CP210x_VCP_Win2K_XP software
Through CD-ROM and find adaptable OS to your computer
equipment.

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B. Choose “Next”Icon
If your computer equipment is running Windows OS that the pop-up
screen of installing massage will be showed as “CP210x VCP Drivers
for Windows 2000/XP on your computer”and then to Click “Next”icon
for going to next step.
C. Choose “Accept”item of license agreement
After reading the license agreement then if you agree the terms to
choose the item “I accept the term of the license agreement”.

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D. Choose destination location
It is for saving the CP201x driver software in destination location of
computer.
E. Execute the program installation
Click the “install”icon to begin installation of CP210x driver.

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F. install CP210x VCP Driver for Windows 2000/XP
After click “Install”icon, the installshield wizard is installing Silicon
Laboratories CP210x drivers for Windows 2000/XP and installation
location.
G. InstallShield Wizard Complete
CP201x VCP driver has successfully installed and click “Finish”icon
for exiting the wizard.

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US-101-232 Hardware Installation & Setup
Hardware Installation
1. Power on your computer and until OS is ready after booting
2. There is a type A USB cable has two distinct connectors to connect the cable
from a USB device to as on a computer or USB hub.
3. Connect USB cable between a PC USB port or USB hub and US-101-232
adapter.
4. Connect the serial port RS-232 equipments to US-101-232 of USB to serial
adapter.

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5. After connecting US-101-232 USB to serial converter then a massage as
“New device has been connected”will be pop-up on screen. However, the
CT201x VCP driver needs to be installed in PC in advance.

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Hardware Setup
When US-101-232 adapter has successfully connected and you can setup
more detail parameters by computer’s manage.
A. Into “Manage”icon in My Computer
Click “My Computer”icon and then press the right side button of
mouse. After you click the manage item on list bar then “Computer
Management(Local) list will be pop-up .

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B. Choose “Device Manager”and click “Ports(COM & LPT)”in
Device Manager
Click “Device Manager”item, all devices of computer will be list on
right site of screen and then click “Ports (COM & LPT) item for looking
for more COM devices.
C. Detail parameters of CP210x USB to UART Bridge Controller
Click “CP210x USB to UART Bridge Controller”for getting more detail
information of the device.

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D. Device general status of CP210x USB to UART Bridge Controller
This is showing the statues of device and some product general
information. COM port number of device is also display on.
E. “Port Settings”communication detail information
This is for checking and setting more detail parameters of device for
communicating.

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F. “Driver”detail information
The driver detail information as you installed in your computer.
G. “Details”item
It is for checking device ID numbers as device instance ID.

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A Ap pp pe en nd di ix x A A
Pin outs and Connector
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USB Layout Diagram
Type A USB Connector
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RS-232 Pin Assignment
The pin assignment scheme for a 9-pin male connector is given below.
PIN 1 : DCD PIN 2 : RXD PIN 3 : TXD PIN 4 : DTR
PIN 5 : GND PIN 6 : DSR PIN 7 : RTS PIN 8 : CTS
PIN 9 : X
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RS-232 Wiring Diagram
Serial Device US-101-232
2 RX 3 TX
3 TX 2 RX
5 GND 5 GND
7 RTS 8 CTS
8 CTS 7 RTS
(Flow Control)
(Flow Control)