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

Table 89 gives the X.21 DCE cable pinouts.

Table 89: X.21 DCE Cable Pinouts for the 1-Port Serial Mini-PIM

LFH-60 Pin

DB-15 Pin

LFH-60 Pairing

Description

15

1

-

Shield Ground

1

2

2

Transmit Data (A)

37

3

38

Control (A)

60

4

59

Receive (A)

48

5

47

Indicate (A)

52

6

51

Signal Element Timing (A)

57

8

-

Signal Ground

2

9

1

Transmit Data (B)

38

10

37

Control (B)

59

11

60

Receive (B)

47

12

48

Indicate (B)

51

13

52

Signal Element Timing (B)

30 to 29

-

-

-

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