Usconverters UCW232C User manual
U.S. Converters LLC UCW232C/UCW4842
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How to setup the UCW232C Serial WiFi adapter
(based on Windows 7, 32/64-bit)
This step-by-step guide explains how to get started using the Serial RS232 WiFi Adapter part UCW232C and Serial
RS485 / RS422 WiFi adapter part UCW4842. These products has several more advanced features and functions
than described in this guide so you should consider this guide only as a quick-start guide to help you get started
with the basic functions.
This guide is based on part UCW232C but also applies to part UCW4842.
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U.S. Converters LLC UCW232C/UCW4842
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UConfiguring the parametersU..................................................................... 3
UConfiguring the parameters using a Web browserU…………….... 4
UCreating a virtual COM port U..................................................................... 11
UVerifying communication with a loop-back testU.............................. 14
UCreating a virtual COM port using PortShareU............................................ 17
UCreating a virtual COM port using FabulatechU........................................... 20
UConnecting using a wireless routerU……………………………………………………… 23
UConnecting with AndroidU……………………………………………………… 25
UConnecting with iOSU………………………………………………………………………………. 28
UPoint-to-point setupU……………………………………………………………………………… 30
UTroubleshootingU………………………………………………………………………………. 33
U.S. Converters LLC UCW232C/UCW4842
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Configuring the parameters
The UCW232C’s parameters can be configured by using a standard web-browser.
The default network settings are:
Adhoc mode (Simple AP), DHCP enabled
SSID: Serial2WiFi_ab_cd (“ab” and “cd” is the last 4 digits of the MAC address)
Security: WPA2, password: 12345678
IP: 192.168.10.1
Socket port: 8080
Channel: 6
Log in ID: admin
Log in password: admin
The default COM port settings are:
Baud rate: 9600 bps
Data bit: 8
Parity: none
Stop bit: 1
Flow control: none
U.S. Converters LLC UCW232C/UCW4842
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Configuring the parameters using a Web browser
First you need to connect to the UCW232C over WiFi. The UCW232C has DHCP enabled by default so
your wireless connection should be set to support this:
U.S. Converters LLC UCW232C/UCW4842
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In this example we use Windows built-in wireless network manager to connect to the adapter:
If you enable “Connect automatically” then you don’t forget to manually re-connect when rebooting the
adapter.
U.S. Converters LLC UCW232C/UCW4842
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Open Internet Explorer and enter the IP address http:// 192.168.10.1. You should now see the login
screen.
The default username is: admin
The default password is: admin
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The correct way to change and save parameters:
Update 6/19/2015: If you are having problems changing the parameters then Uuse FirefoxUbrowser
instead of Internet Explorer.
1. Change the particular parameter to the value you need and click the Save button. The text
"Saved. Reboot required for the changes to take effect" should appear at the bottom of the
screen. Wait a few seconds.
2. Now click "Reboot" and wait about 10 seconds. The adapter is now rebooting and re-connecting
to WiFi automatically if you have enabled “Connect automatically” in Windows WiFi Manager.
3. Now refresh the browser page by clicking the refresh icon in your browser (or press F5).
If you are having problems connecting to the adapter over WiFi try and disable your firewall software.
You should now be able to see the changed baud rate and also select other menu links etc. Below are
screenshots of the configuration pages:
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U.S. Converters LLC UCW232C/UCW4842
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U.S. Converters LLC UCW232C/UCW4842
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U.S. Converters LLC UCW232C/UCW4842
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Creating a Virtual COM Port
For creating a virtual COM port we recommend using the virtual COM port software called USR-VCOM
(downloadable for free from Uwww.usconverters.comU).
Install USR-VCOM, start the software and click the “Add COM” button:
Enter UCW232C’s IP address and port number (192.168.10.1 port 8080), and click “OK”:
U.S. Converters LLC UCW232C/UCW4842
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The virtual COM port should now be created:
We highly recommend disabling “Synchronize baudrate (RFC2217 similar)” in the Options menu:
U.S. Converters LLC UCW232C/UCW4842
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Verify in Windows Device Manager if the virtual COM port has successfully created:
U.S. Converters LLC UCW232C/UCW4842
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Verifying communication with a loop-back test
To check if the UCW232C can send and receive data successfully you can make a loop-back test using
AccessPort (can be downloaded from Uwww.usconverters.comU).
First carefully loop-back the TX pin (pin 2) to the RX pin (pin 3) on the DB9 connector of the UCW232C by
placing a jumper (for example a paperclip) between the TX and RX pins:
U.S. Converters LLC UCW232C/UCW4842
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Enter a text string in the lower (send) window.
Click the “ON” button to open the COM port.
Click “AutoSend”. The text string should now be sent to the UCW232C, out on the TX pin and back
through the jumper on the RX pin and appear in the upper (receive) window:
U.S. Converters LLC UCW232C/UCW4842
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Creating a virtual COM using PortShare
PortShare is an alternative 3rd party virtual COM software which can be used for creating the virtual
COM port. PortShare can be downloaded for free from www.usconverters.com.
First make sure that the UCW232C has joined the network.
Start PortShare and enter the settings of the UCW232C as shown below:
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Default settings can usually be used without problems. PortShare will in this example create COM 2:
U.S. Converters LLC UCW232C/UCW4842
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Alternative compatible Virtual COM/TCP software is:
Fabulatech Serial Port Redirector: Uhttp://www.fabulatech.com/serial-port-redirector.htmlU
and
Eltima Serial over Ethernet: Uhttp://www.eltima.com/products/serial-over-ethernet/U
These alternative solutions are good products and offers a 30 day trial period.
U.S. Converters LLC UCW232C/UCW4842
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Creating a virtual COM port using Fabulatech
Fabulatech COM port redirector is compatible with the UCW232C and an excellent alternative software
for creating a virtual COM port.
A 15-day trial software can be downloaded from Uwww.usconverters.comUor Uwww.fabulatech.comU.
Here is a quick overview for how to use the Fabulatech COM port redirector with the UCW232C.
Install and start the Fabluatech software.
Enter the COM port number and the IP address of the UCW232C. All other settings can be left to default:
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