Introduction

pin

TxD(No.2) RxD(No.3) GND(No.5)

 

 

Bits rate

9600 bps

 

 

Data Bits

8 bit

 

 

Parity

None

 

 

Stop Bits

1 bit

 

 

Flow control

None

 

 

Maximum length

15 m (only shielded type)

 

 

Pin assignment

Pin

Signal

 

 

1

Data Carrier Detect

 

 

2

Received Data

 

 

3

Transmitted Data

 

 

4

Data Terminal Ready

 

 

5

Signal Ground

 

 

6

Data Set Ready

 

 

7

Request to Send

 

 

8

Clear to Send

 

 

9

Ring Indicator

 

 

RS232C cable Connector : 9-pin D-Sub Cable : Cross cable

-P1-

 

-P1-

 

 

-P2-

 

-P2-

FEMALE

Rx

2

---------

>

3

Tx

FEMALE

 

Tx

3

<---------

2

Rx

 

 

Gnd

5

----------

5

Gnd

 

Connecting method