Connector - Media Independent Interface (MII)

40 PIN HI-DENSITY D-SUB FEMALE at the network device.
40 PIN HI-DENSITY D-SUB MALE at the transciever.
40 PIN HI-DENSITY D-SUB FEMALE (at the network device).
40 PIN HI-DENSITY D-SUB MALE (at the transciever).
PinNameDirectionDescription
1V---+5 Vdc/ 3.3 Vdc
2MDIO---MII Data Input/Output
3MDCOutputMII Data Clock
4RxDInputRx Data
5RxDInputRx Data
6RxDInputRx Data
7RxDInputRx Data
8Rx_DVInputRx Data Valid
9Rx_CLKInputRx Clock
10Rx_ERInputRx Error
11Tx_EROutputTx Error
12Tx_CLKInputTx Clock
13Tx_ENOutputTx Enable
14TxDOutputTx Data
15TxDOutputTx Data
16TxDOutputTx Data
17TxDOutputTx Data
18COLInputCollision
19CRSInputCarrier Sense
20V---+5 Vdc/ +3.3 Vdc
21V---+5 Vdc/ +3.3 Vdc
22GND---Ground
23GND---Ground
24GND---Ground
25GND---Ground
26GND---Ground
27GND---Ground
28GND---Ground
29GND---Ground
30GND---Ground
31GND---Ground
32GND---Ground
33GND---Ground
34GND---Ground
35GND---Ground
36GND---Ground
37GND---Ground
38GND---Ground
39GND---Ground
40V---+5 Vdc/ +3.3 Vdc

Note: Direction is DTE (Network device) relative DCE (Transciever).

Source: HW-Book 2001-06-08
Last modified: 2007-06-27 14:22:57.0
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