Paradyne 9128-II, CSU, DSU 3COM Router DB9 Socket, COM Port AUX Port Signal RJ45 Pin # Direction

E. Connectors, Cables, and Pin Assignments

3COM Router – DB9 Socket

COM Port				Console Port
Signal	DB25 Pin #	Direction	DB9 Pin #		Signal
DCE Transmit Data	2	To DTE	3		DTE Transmit Data
(TXD)					(TXD)
DCE Receive Data	3	From DTE	2		DTE Receive Data
(RXD)					(RXD)
DCE Request to	4	To DTE	7		DTE Request to
Send (RTS)					Send (RTS)
DCE Signal Ground	7	—	5		DTE Signal Ground
(SG)					(SG)
DCE Carrier Detect	8	To DTE	1		DTE Carrier Detect
(CD)					(CD)
DCE Data Terminal	20	To DTE	4		DTE Data Terminal
Ready (DTR)					Ready (DTR)

The following tables provide the pin assignments for connecting the FrameSaver SLV 9128-II NAM’s 8-position communication port to various router auxiliary (AUX) or console ports using standard cables.

Cisco 2500 Series Router – RJ45 Jack

COM Port				AUX Port
Signal	RJ45 Pin #	Direction	RJ45 Pin #		Signal
DCE Receive Data	2	From DTE	6		DTE Receive Data
(RXD)					(RXD)
DCE Signal Ground	3	—	4, 5		DTE Signal Ground
(SG)					(SG)
DCE Transmit Data	4	To DTE	3		DTE Transmit Data
(TXD)					(TXD)
DCE Data Terminal	5	To DTE	2		DTE Data Terminal
Ready (DTR)					Ready (DTR)
DCE Request to	7	To DTE	1		DTE Request to
Send (RTS)					Send (RTS)

E-8 September 2002 9128-A2-GB20-80