On which pins of Cross cable and Straight cable the signals can be receive and transmit?

Serial (RS232) port interface pinout and signals9

pin #25

pin#AcronymFull nameDirectionMean3

2

TxD

Transmit Data-»

Transmits bytes out of PC2

3

RxD

Receive Data«-

Receives bytes into PC7

4

RTS

Request To Send-»

RTS/CTS flow control8

5

CTS

Clear To Send«-

RTS/CTS flow control6

6

DSR

Data Set Ready«-

I'm ready to communicate4

20

DTR

Data Terminal Ready-»

I'm ready to communicate1

8

DCD

Data Carrier Detect«-

Modem connected to another9

22

RI

Ring Indicator«-

Telephone line ringing5

7

SG

Signal Ground