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Rainbow Electronics BTD-434 User Manual

Bluetooth serial adaptor user’s manual, Wireless solutions in your hand

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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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