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X.21 DTE Cable Pinouts for the 1-Port Serial Mini-Physical Interface Module

 

Table 1 gives the X.21 DTE cable pinouts.

Table 1: X.21 DTE Cable Pinouts for the 1-Port Serial Mini-PIM

LFH-60 Pin

DB-15 Pin

LFH-60 Pairing

Description

15

1

-

Shield Ground

60

2

59

Transmit Data (A)

48

3

47

Control (A)

1

4

2

Receive (A)

37

5

38

Indicate (A)

5

6

6

Signal Element Timing (A)

57

8

-

Signal Ground

59

9

60

Transmit Data (B)

47

10

48

Control (B)

2

11

1

Receive (B)

38

12

37

Indicate (B)

6

13

5

Signal Element Timing (B)

30 to 29

-

-

-

18 to 17

-

-

-