Paradyne 316x Table D-8 RS449 Port Interface Connector, Signal, Circuit, Ccitt, Direction

ACCULINK 316x DSU/CSU

RS449 Port Interface

Connector

The RS449 Port Interface connector information is shown in Table D-8 and Figure D-7.

Table D-8

RS449 Port Interface Connector

Signal	Circuit	CCITT	Direction	Pin
	Mnemonic	Number
Shield	Ð	Ð	Ð	1
Signal Ground	SG	102A	Ð	19
Receive Ground	RC	102B	Ð	20
Send Common	SC	Ð	Ð	37
Send Data	SD	103	To DCE	4 (A)
				22 (B)
Receive Data	RD	104	From DCE	6 (A)
				24 (B)
Request-to-Send	RS	105	To DCE	7 (A)
				25 (B)
Clear-to-Send	CS	106	From DCE	9 (A)
				27 (B)
Receiver Ready	RR	109	From DCE	13 (A)
				31 (B)
Data Mode	DM	107	From DCE	11 (A)
				29 (B)
Terminal Ready	TR	108/1, /2	To DCE	12 (A)
				30 (B)
Terminal Timing	TT	113	To DCE	17 (A)
				35 (B)
Send Timing	ST	114	From DCE	5 (A)
				23 (B)
Receive Timing	RT	115	From DCE	8 (A)
				26 (B)
Local Loopback	LL	141	To DCE	10
Remote Loopback	RL	140	To DCE	14
Test Mode	TM	142	From DCE	18

D-10 December 1996 3160-A2-GB22-10