|
Signal |
Full Name |
DB-9 Pin |
DB-25 Pin |
|
DCD |
Data Carrier Detect |
1 |
8 |
|
RXD |
Receive Data |
2 |
3 |
|
TXD |
Transmit Data |
3 |
2 |
|
DTR |
Data Terminal Ready |
4 |
20 |
|
GND |
Signal Ground |
5 |
7 |
|
DSR |
Data Set Ready |
6 |
6 |
|
RTS |
Request To Send |
7 |
4 |
|
CTS |
Clear To Send |
8 |
5 |
|
RI |
Ready Indicator |
9 |
22 |
|
|
|