Sun Microsystems 220R service manual MII Connector Signals

A.6.2	MII Connector Signals
	Pin	Signal Name	Description
	1	Pwr	Power
	2	Mdio	Management data I/O
	3	Mdc	Management data clock
	4	Rxd3	Receive data 3
	7	Rxd0	Receive data 0
	8	Rx_dv	Receive data valid
	9	Rx_clk	Receive clock
	10	Rx_er	Receive error
	11	Tx_er	Transmit error
	12	Tx_clk	Transmit clock
	13	Tx_en	Transmit data enable
	14	Txd0	Transmit data 0
	15	Txd1	Transmit data 1
	16	Txd2	Transmit data 2
	17	Txd3	Transmit data 3
	18	Col	Collision detected
	19	Crs	Carrier sense
	20	Pwr	Power
	21	Pwr	Power
	22	Gnd	Ground
	23	Gnd	Ground
	24	Gnd	Ground
	25	Gnd	Ground

Connector Signal Descriptions 243