DFRobot TEL0070 Handmatig

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7/10/2014

Multi USB/RS232/RS485/TTL Converter (SKU:TEL0070)

From Robot Wiki

Contents

1 Introduction

2 Power Supply

3 PIN Function Description

4 Usage Direction

5 Other Reference Connection

Introduction

Multiplexer is a multi protocol converter which is composed by multiple

interfaces for using controller communication. Multiplexer supports

conversion interfaces among USB, TTL, RS232, RS485, and allows to

have one input and multiple outputs. It's more convenient for many

kinds of controllers to communication.

Power Supply

Supply Voltage is 5V ，and is divided into two way.

1. via Micro USB data wire.

2. Any pin 5V .

Note：please do not plug two or more 5V to aviod to burn the chip. And, do not connect 5V if already connected

from Micro USB.

PIN Function Description

Points to note:

1. Multiplexer board is divided into Area A and Area B. Area A includes Micro USB、ATTL and A232 interfaces. Area

B includes BTTL、B232、B485 interfaces. The signal can be convertered between A and B.

2. The signal in the same area can't be convertered. For example, ATTL can't be converted to A232, but it can be

convertered to B232.

3. Only one input in the same area, but it allows to have multiple outputs.For example，if micro USB interface in A is

input，multiplexer can be allowed to have 232、485 and TTL as outputs.

Indicator：

POWER:power indicator

AR->BT: The interface in A as input，the interface in B as output

BR->AT: The interface in B as input, the interface in A as output

http://www.dfrobot.com/wiki/index.php/Multi_USB/RS232/RS485/TTL_Converter_(SKU:TEL0070)

Multi USB/RS232/RS485/TTL Converter (SKU:TEL0070) - Robot Wiki

Multiplexer (SKU:TEL0070)

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