Ratos Systems REX-USB60MB User manual

USB Serial Converter
(Micro USB B type)
2014.02
Rev. 1.01

Contents
1.Introduction ................................................................ 2
1-1. Overview ............................................................................... 2
1-2. Package Contents................................................................. 2
1-3. System Requirements and Restrictions .............................. 2
1-4. RS-232C connector Pin Assignment.................................... 3
2.Installation and Operation on Android OS ....... 4
2-1. Installation of USB60Term application .............................. 4
2-2. How to operate USB60Term................................................ 5
3. Specifications............................................................. 8
*All trademarks and logos are the properties of their respective holders.
*The specifications and pictures are subject to change without notice.
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1.Introduction
1-1. Overview
●REX-USB60MB is a USB to serial
converter. Compatible with Universal
Serial Bus specifications Rev. 1.1.
●Up to 230.4Kbps data transfer rate.
●Micro USB (B type Male)
Easy to connect Android tablet or smart
phone.
●Power/Transmit/Receive LED indicators
for monitoring communication status.
1-2. Package Contents
This product is shipped with the following items:
●REX-USB60MB USB Serial Converter
●Warranty Card in Japanese
Note: Not include the printed document of User’s manual and Software CD.
1-3. System Requirements and Restrictions
Host machine
●Android tablet/smart phone with free Micro USB B type port
Operating System
●Android OS 3.2、Android OS 4.0 or later
Note:
The Android driver software for this product is not provided from RATOC
Systems, Inc.
The FTDI Java D2xx for Android Library which is provided by FTDI Ltd,
“D2xx.jar” works with this product.
And we made the terminal application “USB60Term” using “D2xx.jar”,
published at Google Play.
2

1-4. RS-232C connector Pin Assignment
The pin assignment of the connector is below:
This DB9pin connector is compatible with ANSI/EIA/TIA-574 specifications.
1 2 3 4 5
Pin# Signal
Name
Direction
DTE –DCE. Meaning
1 DCD <--- Data Carrier Detected
2 RXD <--- Received Data
3 TXD ---> Transmitted Data
4 DTR ---> Data Terminal Ready
5 GND - Signal Ground
6 DSR <--- Data Set Ready
7 RTS ---> Request to Send
8 CTS <--- Clear to Send
9 RI <--- Ring Indicator
D-Sub9pin Male
6 7 8 9 Anchor [#4-40]
For using inch screw
3

2. Installation and Operation on Android OS
Please make sure that the Android tablet meets the following specifications:
•USB port is Micro-USB B or AB
•Android OS version is 3.2, 4.0 or later
•USB Host mode is available
2-1. Installation of USB60Term application
Download the terminal application “USB60Term”from Google Play.
1) Start Google Play. Type “USB60” to the search box on Google Play.
2) Select “USB60Term” from the search result, and install it.
3) After USB60Term application is installed, connect USB Serial Converter.
Then, the below window will show:
Set the check to the checkbox “[ ] Use
by default for this USB device”.
If you set the uncheck to the above
checkbox, the above popup window
shows up at each time attaching USB
serial converter.
4) Select “OK”, and then start USB60Term. The below window will show:
After the USB Serial Converter is recognized, the “Connected”message shows
up on the left of “USB Serial”. And then, it will be ready for use.
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2-2. How to operate USB60Term
When the USB60Term starts, the below window will show:
1 Status of detecting USB
Serial Converter
Display the status of detecting USB Serial
Converter, this status shows “Connected” or “Not
connected”.
2 “To setting” button
The button for changing serial parameter.
After changing the parameter values, tap the
“Configure” button to enable new values.
3 Send data field After tapping this field, enter the send data.
4 Receive data field
Display the received data.
The displayed data is holding till the “Clear”
button is tapped.
5 Option menu Option menu shows up
6 “Send” button Transmit the data of the “send data field“
7 “Send with CR+LF”
button
Transmit the send data with CR code(0x0D) and
LF code(0x0A)
8 “new line [CR+LF]” check
box
Before transmitting the send data, an LF(0x0A)
code in the send data will be replaced with the
CR+LF(0x0D+0x0A) code.
9 “Clear” button Erase the data of the “Receive data field”
Option menu
RTS_clear checkbox When checked the “RTS_clear” checkbox, then
the RTS signal will be stable to clear (off).
If unchecked this checkbox, the RTS signal
will be unstable after opening serial port.
5
9
8
7
6
4
3
2
1
5

How to send data
When tapping the send data field, the software keyboard shows up. Then, enter
the send data.
You can set multiple lines with a new-line.
After entering the send data, tap the “Send”button or the “Send with
CR+LF”button at the upper-right of screen. Then, the send data will be
transmitted.
How to receive data
The data from USB Serial Converter will be always received.
And the received data will show at the “receive data field”.
When tapping the “Clear”button, the data of the “Receive data field”will be
erased.
6

How to change serial parameter
After tapping the “To setting” button, you can change serial parameter values.
When edit is ready, the “To setting” button will be changed to the “Configure”
button. And the back-ground color of serial parameter values will be changed
in light blue.
Baud Rate Stop Bit Data Bit Parity Flow Control
After finishing editing the parameter values, tap the “Configure”button for
changing values.
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3. Specifications
Product Name REX-USB60MB
Serial Input/Output level RS-232C level
USB Specification USB(Universal Serial Bus) Specifications Rev. 1.1
Connector USB ：Micro-USB B male
RS-232C：D-Sub9 male (with anchor [#4-40])
Number of I/O ports 1 port
Unit Dimensions 3.35[L] x 1.1[W] x 0.43[H] in (85[L] x 28[W] x 11[H] mm)
Cable Length Approx. 2.83 ft (85 cm)
Weight 0.194 oz (55 g)
Data transfer mode Asynchronous (Start stop synchronization)
Data transfer Rate (Baud) 300/600/1,200/2,400/4,800/9,600/19,200/38,400
57,600/115,200/230,400 bps
Transmit Distance Within 50ft (15m)
Power Voltage DC+5V (Powered for USB Bus)
Power Consumption Average: 36mA(5V) Max.: 60mA(5V)
Serial Parameter Data bit: 7/8 Start bit:1 Stop bit: 1/2
Parity bit: even/odd/none
RS-232C connector D-SUB9PIN RS-232C connector Male
ANSI/EIA/TIA-574
LED Indicators PWR：Power LED
If 5V power from USB bus is properly
supplied from USB bus, this indicator LED
will be on.
TXD：Transmit data indicator (Host to Device)
RXD：Receive data indicator (Device to Host)
Operating Environment Temperature: 32ºF to 122ºF (0ºC to 50ºC)
Humidity: 10 to 90% (non condensing)
Storage Environment Temperature: -4ºF to 149ºF (-20ºC to 65ºC)
Humidity: 10 to 90％(non condensing)
Note:
1. Do not remove while the application is communicating. System will be
unstable.
2. Do not operate to suspend while the application is communicating.
System will be unable to resume properly.
3. This product does not support the serial mouse for connecting to RS-232C
port.
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