Nortel Networks 114200-E manual Token Ring STP Interface

Installing and Operating Passport ARN Routers

Token Ring STP Interface

The token ring STP interface provides shielded twisted-pair support. The ARN token ring base module, token ring expansion module, and token ring/tri-serial expansion modules contain this standard 802.5 DB-9 receptacle.

Table C-5 shows the pin assignments for the standard 9-pin STP receptacle on the ARN base or expansion module and identifies its pin locations.

Table C-5. Token Ring STP Interface Pin Assignments

Pin Assignment		Pin No.	Signal Name
		1	RX+ (Receive from STP wire)
		2	GND
Pin 1	Pin 5	3	GND
		4	GND
		5	TX+ (Transmit to STP wire)
Pin 6	Pin 9	6	RX- (Receive from STP wire)
		7	GND
		8	GND
		9	TX- (Transmit to STP wire)

C-8 114200-E Rev 00