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User data port connector – Paradyne FrameSaver SLV 9664 User Manual

Page 221

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Connectors, Cables, and Pin Assignments

C-7

9664-A2-GB20-00

March 2000

User Data Port Connector

The following table provides the pin assignments for the EIA-530A connector to
a DTE.

Signal

Circuit
Mnemonic

ITU/
CCITT #

Direction

25-Pin
Pin #

Shield

1

Transmit Data ( TXD )

BA

103

To DCE

2 (A)
14 (B)

Received Data ( RXD )

BB

104

From DCE

3 (A)
16 (B)

Request to Send ( RTS )

CA

105

To DCE

4 (A)
19 (B)

Clear to Send ( CTS )

CB

106

From DCE

5 (A)
13 (B)

Data Set (or DCE ) Ready
( DSR )

CC

107

From DCE

6

Signal Ground/Common ( SG )

AB

102A

To/From
DCE

7

Received Line Signal Detector
( RLSD or LSD )

CF

109

From DCE

8 (A)
10 (B)

Transmit Signal Element
Timing (TXC – DTE Source)

DA

113

To DCE

11 (B)
24 (A)

Transmit Signal Element
Timing ( TXC – DCE Source)

DB

114

From DCE

12 (B)
15 (A)

Received Signal Element
Timing ( RXC – DCE Source )

DD

115

From DCE

17 (A)
9 (B)

Local Loopback ( LL )

LL

141

To DCE

18

Data Terminal (or DTE )
Ready ( DTR )

CD

108/1, /2

To DCE

20

Test Mode Indicator ( TM )

TM

142

From DCE

25