Rayson Technology BTD-434 User Manual

Bluetooth Serial Adaptor
User's Manual
Wireless Solutions in Your Hand
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

Supports Bluetooth Serial Port Profile and Generic Access Profile

No need of external host and software

Easy of installation and use

Supports configuration of the local device

Easy of maintenance

Supports up to 100 meters (line of sight)
1.2. Package

Bluetooth serial adaptor: 1 ea

Antenna: 1 ea

DB9 male to female converter: 1 ea

USB cable for power supply: 1 ea

DC adaptor: 1 ea
 User's manual: 1 ea
2. Specifications
2.1. General
Specification
Baud Rate Supports 4.8/9.6/19.2/38.4/57.6/115.2/230.4 Kbps
Coverage Up to 100 m
Connection Point-to-point (pico net)
Signal TxD, RxD, GND, CTS, and RTS
RS-232
D_SUB 9-pin female
Interface
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 +6 V DC
Current
Max. 90 mA
Consumption
Operation
-20°C to +75°C
Temperature
Dimensions 35 mm (W) x 65 mm (D) x 16 mm (H)
Description
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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 ......................................................4
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.........................................5
4.2.2. Master Role Configuration....................................6
4.3 AT Command Set......................................................6
2.2. RS232 Interface
2.2.1. Pin-out
2.2.2. Signals
DTE
Pin Signal
Direction Direction
1 CD Input Output
2 TxD Output Input
3 RxD Input Output
4 DSR Input Output
5 GND N/A N/A
6 DTR Output Input
7 CTS Input Output
8 RTS Output Input
9 Vcc Input Input
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:

Baud rate: 19200 bps

Data bit: 8

Parity: none

Stop bit: 1

Flow control: H/W or none

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 Link LED
5 Mini USB Connector 6 Reset button
3.1.1. Reset Button
By pressing the Reset button, you can:

Disconnect and reconnect a wireless connection (after a short press)

Restore the factory settings (after over three seconds' press).
3.1.2. Slide Switch
The slide switch can swap TXD/RXD and CTS/RTS signals.
By switching, you can set the adaptor either as a DTE (towards antenna connector)
or a DCE (towards RS232 connector).
- -
2
DCE
Description
Not connected
Transmitted data
Received data
Not connected
Signal ground
Not connected
Clear to send
(Remarks)
Request to send
(Remarks)
Power supply
3 Slide switch 4 RS232 connector
7 Antenna connector
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