Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

 

X.21 DTE Cable Pinouts for the 8-Port Serial Gigabit-Backplane Physical Interface Module

 

Table 1 gives the X.21 DTE cable pinouts for the 8-Port Serial Gigabit-Backplane Physical Interface Modules.

Table 1: X.21 DTE Cable Pinouts for the 8-Port Serial GPIM

VHDCI-68 Pin

DB-15 (1) Pin

DB-15 (2) Pin

Dir

Pair

Pairing

Description

T37

1

Shield Ground

T16

2

O

Pair 1

T14

Send Data (A)

T50

3

O

Pair 2

T48

Request to Send (A)

T41

4

I

Pair 3

T39

Receive Data (A)

T42

5

I

Pair 4

T40

Clear to Send (A)

T38

6

I

Pair 5

T36

Receive Timing (A)

T51

8

Shield Ground

T14

9

O

Pair 1

T16

Send Data (B)

T48

10

O

Pair 2

T50

Request to Send (B)

T39

11

I

Pair 3

T41

Receive Data (B)

T40

12

I

Pair 4

T42

Clear to Send (B)

T36

13

I

Pair 5

T38

Receive Timing (B)

T35 to T33

Protocol Identifier_2

T1 to T3

Protocol Mode

T52

1

Shield Ground

T34

2

O

Pair 1

T32

Send Data (A)

T68

3

O

Pair 2

T66

Request to Send (A)

T59

4

I

Pair 3

T57

Receive Data (A)

T60

5

I

Pair 4

T58

Clear to Send (A)

T56

6

I

Pair 5

T54

Receive Timing (A)

T55

8

Shield Ground

T32

9

O

Pair 1

T34

Send Data (B)

T66

10

O

Pair 2

T68

Request to Send (B)

T57

11

I

Pair 3

T59

Receive Data (B)

T58

12

I

Pair 4

T60

Clear to Send (B)

T54

13

I

Pair 5

T56

Receive Timing (B)

T53 to T52

Protocol Identifier_2

T19 to T18

Protocol Mode