Rainbow Electronics BTD-434 User Manual
Bluetooth serial adaptor user’s manual, Wireless solutions in your hand
Bluetooth Serial Adaptor
User’s Manual
Wireless Solutions in Your Hand
TABLE OF CONTENTS
1. INTRODUCTION…………………………………………………3
1.1. Features………………………………………………………… 3
1.2. Package……………………………….…………...……………3
2. SPECIFICATIONS……………………………………….……...3
2.1. General………………………...……………………………….3
2.2. RS232 Interface………………….........................................4
2.2.1. Pin-out………………………………………………………4
2.2.2. Signals………………………….....................................4
2.3. Factory Settings………………………………………..............4
3. INSTALLATION……………………………………………………4
3.1. Hardware Structure...…………………………………………..4
3.1.1. Reset Button……………………………………………..4
3.1.2. Slide Switch ………………………………………………5
3.1.3. Power Supply …………………………………………….5
3.1.4. LED Status……………………………………………..... 5
3.2 Installation Procedure………………………………………….5
4. USAGE…………………………………………………………….5
4.1 HyperTerminal Settings………………………………………..5
4.2 Configuration…………….……………………………………..5
4.2.1. Configuration Start-up…………………………………..6
4.2.2. Master Role Configuration………………………………6
4.3 AT Command Set………………………………………………6
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1. Introduction
Thank you for purchasing our Bluetooth serial adaptor. The adaptor eliminates
your conventional RS232 serial cables, providing an easy-to-use, invisible
connection with superior freedom of movement. This tiny adaptor allows any
device with a standard 9-pin serial port to communicate wirelessly. You can
communicate with another Bluetooth serial adaptor or other Bluetooth-enabled
devices such as a laptop computer, PDA or mobile phone.
1.1. Features
z
Supports Bluetooth Serial Port Profile and Generic Access Profile
z
No need of external host and software
z
Easy of installation and use
z
Supports configuration of the local device
z
Easy of maintenance
z
Supports up to 100 meters (line of sight)
1.2. Package
z Bluetooth serial adaptor: 2 ea
z Antenna: 2 ea
z DB9 male to female converter: 2 ea
z USB cable for power supply: 2 ea
z DC adaptor: 2 ea
z User’s manual: 1
2. Specifications
2.1. General
Specification Description
Baud Rate
Supports 4.8/9.6/19.2/38.4/57.6/115.2/230.4/460.8 Kbps
Coverage
Up to 100 m
Connection Point-to-point
(pico
net)
Signal
TxD, RxD, GND, CTS, and RTS
RS-232
Interface
D_SUB 9-pin female
Standard Bluetooth
specification version 2.0+EDR
Frequency
2.400 to 2.4835 GHz
Hopping
1,600/sec, 1MHz channel space
Modulation
GFSK-1 Mbps, DQPSK-2 Mbps, and 8-DPSK-3 Mbps
Tx. Power
Max. 18 dBm (Class 1)
Rx. Sensitivity
-86 dBm typical
Antenna
Chip antenna or SMA female + external antenna (optional)
Antenna Gain
Chip antenna max. 1 to 2 dBi
Power Supply
+5 to +9 V DC
Current
Consumption
Max. 90 mA
Operation
Temperature
-20°C to +75°C
Dimensions
35 mm (W) x 65 mm (D) x 16 mm (H)
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2.2. RS232 Interface
2.2.1. Pin-out
2.2.2. Signals
Pin
Signal Direction
Description
2 TxD
Output Transmitted
data
3 RxD
Input
Received
data
5 GND
N/A
Signal
ground
7 CTS
Input
Clear
to
send
(Remarks)
8
RTS
Output
Request to send
(Remarks)
9 Vcc
Input
Power
supply
Remarks: The default hardware configuration is for using CTS/RTS. If you want to
use DSR/DTR, please contact us.
2.3. Factory Settings
The factory settings of COM port are as follows:
z Baud rate: 19200 bps
z Data bit: 8
z Parity:
none
z Stop bit: 1
z Flow control: H/W or none
z Others: Please refer to section 4.3 AT Command Set.
3. Installation
3.1. Hardware Structure
The figure below is an outline of the adaptor.
1 Power LED
2 Data LED
3 Link LED
4 RS232 connector
5 Slide switch
6 Mini USB connector
7 Reset button
8 Antenna connector
3.1.1. Reset Button
By pressing the Reset button, you can:
z
Disconnect and reconnect a wireless connection (after a short press)
.
z Restore the factory settings (after over three seconds' press).
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