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Appendix a. interface connector wiring, V.35, x.21 and rs-530 interface connectors, Appendix a – RAD Data comm E1 Interface Converter RIC-E1 User Manual

Page 41: Lists the balan, Appendix a interface connector wiring

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V.35, X.21 and RS-530 Interface Connectors

A-1

Appendix A
Interface Connector Wiring

A.1 V.35, X.21 and RS-530 Interface Connectors

Table A-1

lists the pin assignments of the V.35, X.21 and RS-530 interface

connectors.

Table A-1. V.35, X.21 and RS-530 Interfaces, Pin Assignments

V.35, 34-Pin

RS-530, DB-25

X.21, DB-15

Signal

Function

Pin

Circuit

Pin

Circuit

Pin

[Function]

Circuit

Protective
Ground

A Frame

101 1

101 1 [SHIELD]

101

Signal

Ground

B

Signal

GND

102 7

AB 102 8 [GND] 102

Transmitted

Data

P

S

TD(A)

TD(B)

103

103

2

14

BA(A)

BA(B)

103

103

2

9

T(A)

T(B)
[Transmit]

103

103

Received
Data

R
T

RD(A)
RD(B)

104
104

3
16

BB(A)
BB(B)

104
104

4
11

R(A)
R(B)

[Receive]

104
104

Request to

Send

C RTS 105

4

19

CA(A)

CA(B)

105 3

10

C(A)

C(B)
[Control]

105

Clear to
Send

D CTS 106

5
13

CB(A)
CB(B)

106

106

Data Set

Ready

E DSR 107

6

22

CC(A)

CC(B)

107

107

Data
Terminal
Ready

H DTR 108

20
23

CD(A)
CD(B)

108

108

Carrier
Detect

F DCD

109

8
10

CF(A)
CF(B)

109 5

12

I (A)
I (B)

[

Indication]

109

External
Transmit

Clock

U
W

SCTE(A)
SCTE(B)

113
113

24
11

DA(A)
DA(B)

113
113

7
14

(A)
(B)

113
113

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