User Data Port Connector, Signal Circuit Mnemonic

Connectors, Cables, and Pin Assignments

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	Ð	Ð	Ð	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	CC	107	From DCE	6
(DSR)

Signal Ground/Common (SG)	AB	102A	To/From	7
			DCE

Received Line Signal Detector	CF	109	From DCE	8 (A)
(RLSD or LSD)				10 (B)

Transmit Signal Element	DA	113	To DCE	11 (B)
Timing (TXC ± DTE Source)				24 (A)

Transmit Signal Element	DB	114	From DCE	12 (B)
Timing (TXC ± DCE Source)				15 (A)

Received Signal Element	DD	115	From DCE	17 (A)
Timing (RXC ± DCE Source)				9 (B)

Local Loopback (LL)	LL	141	To DCE	18

Data Terminal (or DTE)	CD	108/1, /2	To DCE	20
Ready (DTR)

Test Mode Indicator (TM)	TM	142	From DCE	25

9664-A2-GB20-00

March 2000

C-7

9664 specifications

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Paradyne 9664 manual User Data Port Connector, Signal Circuit Mnemonic, Direction Pin Pin #

Models: 9664