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Page 119

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Serial Port and User Equipment Connections

Memotec Inc.

6-9

NOTE:

The pinout above indicates the active signals that are used when communicat-
ing with external DTE or DCE equipment via a NetPerformer serial interface.
These HD-26 cables are custom and proprietary to the NetPerformer. The
information in this table is not sufficient to manufacture a working cable that
can interoperate with the serial port on the NetPerformer unit.

DSRA

6

6

20

107

E

DSR

6

DSRA

6

DSRA

11

n/a

n/a

DCE

Data Set
Ready

DSRB

22

22

23

n/a

n/a n/a

n/a

DSRB

22

DSRB

29

n/a

n/a

DCE

RTSA

4

4

5

105

C

RTS

4

RTSA

4

RTSA

7

n/a

n/a

DTE

Ready To
Send

RTSB

19

19

13

n/a

n/a n/a

n/a

RTSB

19

RTSB

25

n/a

n/a

DTE

CTSA

5

5

4

106

D

CTS

5

CTSA

5

CTSA

9

n/a

n/a

DCE

Clear To Send

CTSB

13

13

19

n/a

n/a n/a

n/a

CTSB

13

CTSB

27

n/a

n/a

DCE

DCDA

8

8

8

109

F

DCD

8

DCDA

8

DCDA

13

I[A]

5

DCE

Data Carrier
Detect (Indi-
cation on wire)

DCDB

10

10

10

n/a

n/a n/a

n/a

DCDB

10

DCDB

31

I[B]

12

DCE

n/a

n/a n/a n/a

140

N

RL

21

n/a

n/a

RL

14

n/a

n/a

DTE

Remote Loopback

n/a

n/a n/a n/a

141

L

LL

18

n/a

n/a

LL

10

n/a

n/a

DTE

Local Loopback

n/a

n/a n/a n/a

142

NN

TI

25

n/a

n/a

TI

18

n/a

n/a

DCE

Test Indicator

n/a

n/a n/a n/a

125

n/s

CI

22

n/a

n/a

CI

15

n/a

n/a

DCE

Call Indicator

SGND

7

7

7

102

B

SGND

7

SGND

7

SGND

19

SGND

8

n/a

Signal Ground

n/a

n/a n/a n/a

102a

n/s n/a

n/a n/a

n/a

SGND

37

n/a

n/a n/a

DTE Common
Return

n/a

n/a n/a n/a

102b

n/s n/a

n/a n/a

n/a

SGND

20

n/a

n/a n/a

DCE Common
Return

SHIELD

1

1

1

Shield

A

Shield

1

Shield

1

Shield

1

Shield

1

n/a

Shield

Main Board

Cable

V.35

TIA-232/V.24

TIA-530

TIA-449/V.36

X.21



Interface

Table 6-1: Serial connector and NetPerformer custom HD-26 cable set

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