RS-232 DCE Cable Pinout

15

1

–

Frame Ground

1

2

–

Transmit Data

60

3

–

Receive Data

37

4

–

Request to Send

48

5

–

Clear to Send

33

6

–

Data Set Ready

57

7

–

Signal Ground

13

8

–

Data Carrier Detect

56

15

–

Transmit Clock

52

17

–

Receive Clock

45

18

–

Local Loopback

9

20

–

Data Terminal Ready

5

24

–

Terminal Clock

22 to 21

–

–

–