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This section contains the following pinout wire specifications for the Serial Interface Card SCSI--Sub D cable connector:

VX SCSI Sub-D Cable One

From P2 (25 Pin D)

Signal
Name

Notes

To P1 (100 Pin)

Signal
Name

1

Shield


1

Shield

2

TxD

Pair with P2 14

2

ATXa/TXDA

3

RxD

Pair with P2 16

4

ARTa/RXDA

4

RTS

Pair with P2 19

6

ACa/ARTSa/RTSA

5

CTS

Pair with P2 13

9

AIa/ACTSa/CTSA

6

N/C




7

SIG GND


51

SIG GND

8

DCD

Pair with P2 10

8

ADCDa/DCDA

9

DD-RTN Rec Sig Elem Timing

Pair with P2 17

60

ARTb

10

CF-RTN DCD

Pair with P2 8

58

ADCDb

11

DA-RTN Trans Sig Elem Timing

Pair with P2 24

55

ATTb

12

DB-RTN Trans Sig Elem Timing

Pair with P2 15

53

ASTb

13

CB-RTN CTS

Pair with P2 5

59

AIb/ACTSb

14

BA-RTN TxD

Pair with P2 2

52

ATXb

15

DB-Trans Sig Elem Timing

Pair with P2 12

3

ASTa

16

BB-RTN RxD

Pair with P2 3

54

ARXb

17

DD-REC Sig Elem Timing

Pair with P2 9

10

ARTa

18

N/C




19

CA-RTN RTS

Pair with P2 4

56

ACb/ARTSb

20

CD-DTR

Pair with P2 23

7

ADTRa/DTRA

21

N/C




22

N/C




23

CD-RTN DTR

Pair with P2 20

57

ADTRb

24

DA-Trans Sig Elem Timing

Pair with P2 11

5

ATTa

25

N/C




VX SCSI Sub-D Cable Two

From P2 (25 Pin D)

Signal
Name

Notes

To P1 (100 Pin)

Signal
Name

1

Shield


1

Shield

2

TxD

Pair with P3 14

15

BTXa/TXDB

3

RxD

Pair with P3 16

17

BRXa/RXDB

4

RTS

Pair with P3 19

19

BCa/BRTSa/RTSB

5

CTS

Pair with P3 13

22

BIa/BCTSa/CTSB

6

N/C




7

SIG GND


64

SIG GND

8

DCD

Pair with P3 10

21

BDCDa/DCDB

9

DD-RTN Rec Sig Elem Timing

Pair with P3 17

73

BRTb

10

CF-RTN DCD

Pair with P3 8

71

BDCDb

11

DA-RTN Trans Sig Elem Timing

Pair with P3 24

68

BTTb

12

DB-RTN Trans Sig Elem Timing

Pair with P3 15

66

BSTb

13

CB-RTN CTS

Pair with P3 5

72

BIb/BCTSb

14

BA-RTN TxD

Pair with P3 2

65

BTXb

15

DB-Trans Sig Elem Timing

Pair with P3 12

16

BSTa

16

BB-RTN RxD

Pair with P3 3

67

BRXb

17

DD-REC Sig Elem Timing

Pair with P3 9

23

BRTa

18

N/C




19

CA-RTN RTS

Pair with P3 4

69

BCb/BRTSb

20

CD-DTR

Pair with P3 23

20

BDTRa/DTRB

21

N/C




22

N/C




23

CD-RTN DTR

Pair with P3 20

70

BDTRb

24

DA-Trans Sig Elem Timing

Pair with P3 11

18

BTTa

25

N/C




VX SCSI Sub-D Cable Three

From P2 (25 Pin D)

Signal
Name

Notes

To P1 (100 Pin)

Signal
Name

1

Shield


1

Shield

2

TxD

Pair with P4 14

28

CTXa/TXDC

3

RxD

Pair with P4 16

30

CRXa/RXDC

4

RTS

Pair with P4 19

32

CCa/CRTSa/RTSC

5

CTS

Pair with P4 13

35

CIa/CCTSa/CTSC

6

N/C




7

SIG GND


77

SIG GND

8

DCD

Pair with P4 10

34

CDCDa/DCDC

9

DD-RTN Rec Sig Elem Timing

Pair with P4 17

86

CRTb

10

CF-RTN DCD

Pair with P4 8

84

CDCDb

11

DA-RTN Trans Sig Elem Timing

Pair with P4 24

81

CTTb

12

DB-RTN Trans Sig Elem Timing

Pair with P4 15

79

CSTb

13

CB-RTN CTS

Pair with P4 5

85

CIb/CCTSb

14

BA-RTN TxD

Pair with P4 2

78

CTXb

15

DB-Trans Sig Elem Timing

Pair with P4 12

29

CSTa

16

BB-RTN RxD

Pair with P4 3

80

CRXb

17

DD-REC Sig Elem Timing

Pair with P4 9

36

CRTa

18

N/C




19

CA-RTN RTS

Pair with P4 4

82

CCb/CRTSb

20

CD-DTR

Pair with P4 23

33

CDTRa/DTRC

21

N/C




22

N/C




23

CD-RTN DTR

Pair with P4 20

83

CDTRb

24

DA-Trans Sig Elem Timing

Pair with P4 11

31

CTTa

25

N/C




VX SCSI Sub-D Cable Four

From P2 (25 Pin D)

Signal
Name

Notes

To P1 (100 Pin)

Signal
Name

1

Shield


1

Shield

2

TxD

Pair with P5 14

41

DTXa/TXDD

3

RxD

Pair with P5 16

43

DRXa/RXDD

4

RTS

Pair with P5 19

45

DCa/DRTSa/RTSD

5

CTS

Pair with P5 13

48

DIa/DCTSa/CTSD

6

N/C




7

SIG GND


90

SIG GND

8

DCD

Pair with P5 10

47

DDCDa/DCDD

9

DD-RTN Rec Sig Elem Timing

Pair with P5 17

99

DRTb

10

CF-RTN DCD

Pair with P5 8

97

DDCDb

11

DA-RTN Trans Sig Elem Timing

Pair with P5 24

94

DTTb

12

DB-RTN Trans Sig Elem Timing

Pair with P5 15

92

DSTb

13

CB-RTN CTS

Pair with P5 5

98

DIb/DCTSb

14

BA-RTN TxD

Pair with P5 2

91

DTXb

15

DB-Trans Sig Elem Timing

Pair with P5 12

42

DSTa

16

BB-RTN RxD

Pair with P5 3

93

DRXb

17

DD-REC Sig Elem Timing

Pair with P5 9

49

DRTa

18

N/C




19

CA-RTN RTS

Pair with P5 4

95

DCb/DRTSb

20

CD-DTR

Pair with P5 23

46

DDTRa/DTRD

21

N/C




22

N/C




23

CD-RTN DTR

Pair with P5 20

96

DDTRb

24

DA-Trans Sig Elem Timing

Pair with P5 11

44

DTTa

25

N/C




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