RAD Data comm MBE10-1D, MBE10-8D operation manual Appendix a Pin Assignment

Appendix A

Pin Assignment

This appendix:

•Provides information about the various interfaces and cable connections supported by MBE.

Table A-1. Interface Signal List (Female Connectors)

Signal Function

Source

V.24/

V.35*

EIA-530

V.36/

X.21***

Description

RS-232

34-PIN

DB-25

RS-449**

DB-15

DB-25

(Female)

(Female)

DB-37

(Female)

(Female)

(Female)

Pin Circuit

Pin

Circuit

Pin

Circuit

Pin

Circuit

Protective

COMMON

1

A Frame

1

1

1

--

Chassis ground. May

Ground

101

[SHIELD]

be isolated from Signal

Ground

Ground.

Signal

COMMON

7

B Signal

102

7

AB

19

SG

8

--

Common Signal and

Ground

GND

[GND]

DC power supply

ground

Transmitted Data

DTE

2

S TD(B)

103

2

BA(A)

2

T(A)

Serial data output

P TD(A)

103

14

BA(B)

9

T(B)

from unit. The data

[TRANSMIT]

transitions must occur

on the rising edge of

Data

the transmit clock.

Received Data

DCE

3

R RD(A)

104

6

RD(A)

4

R(A)

Serial data input to the

T RD(B)

104

24

RD(B)

11

R(B)

unit. The data

[RECEIVE]

transitions occur on

the rising edge of the

clock.

Request to Send

DTE

4

C RTS

105

4

CA(A)

7

RS(A)

3

C(A)

ON from the unit

19

CA(B)

25

RS(B)

10

C(B)

upon completion of

[CONTROL]

self-test

Clear To Send

DCE

5

D CTS

106

5

CB(A)

9

CS(A)

--

Unit expects CTS ON

13

CB(B)

27

CS(B)

Data Set Ready

DCE

6

E DSR

107

6

CC(A)

11

DM(A)

--

Not used

22

CC(B)

29

DM(B)

Control

Data Terminal

DTE

20

H DTR

108

20

CD(A)

12

TR(A)

--

ON when unit is ready

Ready

23

CD(A)

30

TR(B)

to transmit or receive

data

Carrier Detect

DCE

8

F DCD

109

8

CF(A)

13

RR(A)

5

I(A)

Unit expects DCD ON

10

CF(B)

31

RR(B)

12

I(B)

[INDICATION]

A-1

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