RAD Data comm RIC-E1 Manuel D’Utilisation
V.35, X.21 and RS-530 Interface Connectors
A-1
Appendix A
Interface Connector Wiring
Interface Connector Wiring
A.1 V.35, X.21 and RS-530 Interface Connectors
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
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]
[Transmit]
103
103
Received
Data
Data
R
T
T
RD(A)
RD(B)
RD(B)
104
104
104
3
16
16
BB(A)
BB(B)
BB(B)
104
104
104
4
11
11
R(A)
R(B)
R(B)
[Receive]
104
104
104
Request to
Send
C RTS 105
4
19
CA(A)
CA(B)
105 3
10
C(A)
C(B)
[Control]
[Control]
105
Clear to
Send
Send
D CTS 106
5
13
13
CB(A)
CB(B)
CB(B)
106
106
Data Set
Ready
E DSR 107
6
22
CC(A)
CC(B)
107
107
Data
Terminal
Ready
Terminal
Ready
H DTR 108
20
23
23
CD(A)
CD(B)
CD(B)
108
108
Carrier
Detect
Detect
F DCD
109
8
10
10
CF(A)
CF(B)
CF(B)
109 5
12
I (A)
I (B)
I (B)
[
Indication]
109
External
Transmit
Transmit
Clock
U
W
W
SCTE(A)
SCTE(B)
SCTE(B)
113
113
113
24
11
11
DA(A)
DA(B)
DA(B)
113
113
113
7
14
14
(A)
(B)
(B)
113
113
113
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