D-Link DES-2212 manual MII Connector Pin Assignment

MII Connector Pin Assignment

Contact	MII Signal	Signal Name	Contact	MII Signal	Signal Name
1	+5 V	Voltage	21	+5 V	Voltage
2	MDIO	MAC Data	22	---	Ground
		Input Output
3	MDC	MAC Data	23	---	Ground
		Clock
4	RXD<3>	Receive Data	24	---	Ground
		3 bit
5	RXD<2>	Receive Data	25	---	Ground
		2 bit
6	RXD<1>	Receive Data	26	---	Ground
		1 bit
7	RXD<0>	Receive Data	27	---	Ground
		0 bit
8	RX_DV	Receive Data	28	---	Ground
		Valid
9	RX_CLK	Receive	29	---	Ground
		Clock
10	RX_ER	Receive Error	30	---	Ground
11	NOT USED	Not Used	31	---	Ground
12	TX_CLK	Transmit	32	---	Ground
		Clock
13	TX_EN	Transmit	33	---	Ground
		Enable
14	TXD<0>	Transmit Data	34	---	Ground
		0 bit
15	TXD<1>	Transmit Data	35	---	Ground
		1 bit
16	TXD<2>	Transmit Data	36	---	Ground
		2 bit
17	TXD<3>	Transmit Data	37	---	Ground
		3 bit
18	COL	Collision	38	---	Ground
19	CRS	Carry Sense	39	---	Ground

60 Cables and Connectors