RS-232 DTE Cable Pinout

15

1

–

Frame Ground

60

2

–

Transmit Data

1

3

–

Receive Data

48

4

–

Request to Send

37

5

–

Clear to Send

9

6

–

Data Set Ready

57

7

–

Signal Ground

13

8

–

Data Carrier Detect

56

15

–

Transmit Clock

5

17

–

Receive Clock

41

18

–

Local Loopback

33

20

–

Data Terminal Ready

52

24

–

Terminal Clock

22 to 21

–

–

–

18 to 17

–

–

–