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Eia-232/v.24 connector pin assignments – Paradyne COMSPHERE 3615 User Manual

Page 108

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Pin Assignments

D-5

3615-A2-GB20-20

December 1996

Table D-5

EIA-232/V.24 Connector Pin Assignments

Pin

Circuit Name

Function

Pin

EIA-232

CCITT

Function

2

BA

103

Transmit Data (TXD)

3

BB

104

Received Data (RXD)

4

CA

105

Request-to-Send (RTS)

5

CB

106

Clear-to-Send (CTS)

6

CC

107

Data Set Ready (DSR)

7

AB

102

Signal Ground (SG)

8

CF

109

Received Line Signal Detect (LSD)

9

Positive Test Voltage

10

Negative Test Voltage

12

CI

112

Data Signal Rate Selector I – DCE Source
(alternate external control lead I)

13

1

Data Signal Rate Selector II – DCE Source
(alternate external control Lead II)

14

SBA

118

Secondary Transmit Data

15

DB

114

Transmitter Signal Element Timing – DCE Source

16

SBB

119

Secondary Received Data

17

DD

115

Receiver Signal Element Timing – DCE Source

18

LL

141

Local Loopback (LL)

19

1

Data Signal Rate Selector II – DTE Source
(alternate external control alarm Lead II)

20

CD

108.2

Data Terminal Ready (DTR)

21

RL

140

Remote Digital Loopback (RL)

23

1

CH

111

Data Signal Rate Selector I – DTE Source
(alternate external control alarm Lead I)

24

DA

113

Transmitter Signal Element Timing – DTE Source

25

TM

142

Test Mode (TM)

1

Data Signal Rate Selector function is not available at this time. These leads can be used for the External Lead
functions.

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