HungTurn UTS-232AD User manual

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USB TO RS-232/RS-422/RS-485 ADAPTER For Android
Quick Installation Guide
Introduction
The USB to serial adapter enables you to connect a RS-232, RS-422, or RS-485 device to a smart phone or tablet
with Android OS.
Designed for mobility and integration into mixed environments such as Controlling instrumentation, Home automation,
barcode scanning etc.; this portable and lightweight single cable solution is compatible with nearly all Android OS
version 3.2 Honeycomb or later devices including the Samsung Galaxy Note®, Galaxy® S5, S4, S3, or S2, Google
Nexus 7™, 5, or 4, and Motorola or HTC mobile devices.
Exception: serial mouse, serial printer, or serial modem is not for application.
System Requirements
Android OS Version 3.2 Honeycomb or later
Features
Fully Compliant with USB Specification 1.1 and 2.0
USB to Straight-Through RS-232/RS-422/RS-485 DB9 Serial Adapter for Android.
Supports data transfer rate up to 230 kbps (RS-232), 921 kbps (RS-422/RS-485); or up to 115kbps with no
flow control.
Standard UART interface (RX, TX, RTS, CTS and GND pins)
UART TX buffer size is 256 bytes, UART RX buffer size is 5512 bytes.
Supports ±15kV HBM ESD protection
Supports OTG (On-The-Go) mode but no external OTG cable is required.
Powers and charges the connected Android device, USB-powered via PC USB port, USB wall charger, or
USB mobile battery pack.
Compatible with Android OS Version 3.2 Honeycomb or later. (Suitable for use on any Android platform
supporting Android open Accessory Mode)
Specification
Model No. UTS-232AD UTS-422AD UTS-485AD
Chipset FTDI
USB Specification USB 1.1/2.0 compliant
USB 1.5 / 12 Mbps
Data Transfer Rates Serial 230 kbps 921 kbps
Upstream USB Type A Male X 1; USB Micro-B Male X 1
Connector Device DB-9/M
LED 3
Power Mode Bus or External Powered
USB Micro B/M 1.1m
Cable Length USB A/M 0.3m
Housing Plastic

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RS-232/RS-422/RS-485 Pin Assignment
UTS-232AD UTS-422AD UTS-485AD
Pin No. Definition
1 TX- D-
2 RX TX+ D+
3 TX RX+
4 RX-
5 GND GND GND
6 RTS-
7 RTS RTS+
8 CTS CTS+
9 CTS-

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Install Application
Find the applicationin Play Store by searching “ftdi aoa” and then install it. On the following screen, clicks the
“Google Play™” icon. This will take you to the Google Play Store to download the Android
application. Alternatively, you can search “FTDI AOA HyperTerm” from the Google Play Store.
*Google Play is a trademark of Google Inc.
Select the “FTDI AOA HyperTerm” application, on next screen select “INSTALL.”

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The application will download and install automatically, and auto loads once you connect the adapter to your
Android device. Congratulation! You have finished installing the “FTDI AOA HyperTerm” application successfully.
Connect your Serial device to the DB9 connector of the adapter. Connect the USB A connector to the USB port of a
computer, or to a 5V/1A USB wall charger. Connect the USB Micro-B connector to the Micro USB port on your
mobile Android™ device.
Note: This device will only work on the original infrastructure of the Android operating system and may not function
with any modified versions.
It is recommended to use the default “FTDI” application for serial control. Alternatively, you may scan the QRcode of
the package provided that will lead you to download the “FTDI AOA HyperTerm” application.

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Operation
The application will launch once the USB to Serial adapter is connected to your Android device. You should also see
a “FTDI AOA HyperTerm v1.0” icon within your applications lists, or on one of your home screens.
1. Select “Setting” to configure attributes such as Baud Rate, Stop (bit), Data (bit), Parity, and Flow Control.
2. Select “Send File” to send/receive files between your Android and serial device.
3. Or, type your desired command(s) in the “CHAR” input field and tap the “Write” button to send data when the data
format button shows “CHAR”.
Note: Tapping the data format “CHAR” button toggles HEX format for sending hexadecimal data command(s).
When inputting two hexadecimal characters, each character should be from “0” to “9” or from “a” to “f”, otherwise the
application will show a warning message when the “Write” button is tapped.

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Regulatory Compliance
Disclaimer
Information in this document is subject to change without notice. The manufacturer does not make any representations or
warranties (implied or otherwise) regarding the accuracy and completeness of this document and shall in no event be liable for
any loss of profit or any other commercial damage, including but not limited to special, incidental, consequential, or other
damages.
No part of this document may be reproduced or transmitted in any form by any means, electronic or mechanical, including
photocopying, recording or information recording and retrieval systems without the express written permission of the
manufacturer.
All brand names and product names used in this document are trademarks, or registered trademarks of their respective holders.