Pin Number |
Function |
I/O |
Signal Description |
---|---|---|---|
1 |
none |
none | |
2 |
TXD |
O |
Transmit Data |
3 |
RXD |
I |
Receive Data |
4 |
RTS |
O |
Ready To Send |
5 |
CTS |
I |
Clear To Send |
6 |
DSR |
I |
Data Set Ready |
7 |
GND |
|
Signal Ground |
8 |
DCD |
I |
Data Carrier Detect |
9 |
none |
none |
N.C. |
10 |
none |
none |
N.C. |
11 |
none |
none |
N.C. |
12 |
none |
none |
N.C. |
13 |
none |
none |
N.C. |
14 |
none |
none |
N.C. |
15 |
none |
none |
N.C. |
16 |
none |
none |
N.C. |
17 |
none |
none |
N.C. |
18 |
none |
none |
N.C. |
19 |
none |
none |
N.C. |
20 |
DTR |
O |
Data Terminal Ready |
21 |
none |
none |
N.C. |
22 |
none |
none |
N.C. |
23 |
none |
none |
N.C. |
24 |
none |
none |
N.C. |
25 |
none |
none |
N.C. |