Reference For The Media Independent Interface (Mii) Ethernet Connector - Sun Microsystems Enterprise 250 Owner's Manual

Reference for the Media Independent
Interface (MII) Ethernet Connector
MII Connector Diagram
20
40
MII Connector Signals
Pin Function
1 +5 VDC
2 MDIO
3 MDC
4 RXD<3>
5 RXD<2>
6 RXD<1>
7 RXD<0>
8 RX_DV
9 RX_CLK
10 RX_ER
11 TX_ER
12 TX_CLK
13 TX_EN
14 TXD<0>
15 TXD<1>
16 TXD<2>
17 TXD<3>
18 COL
19 CRS
20 +5 VDC
Note – The +5V supply is fuse-protected with a fuse that automatically resets.
1
21
Pin Function
21 +5 VDC
22 GND
23 GND
24 GND
25 GND
26 GND
27 GND
28 GND
29 GND
30 GND
31 GND
32 GND
33 GND
34 GND
35 GND
36 GND
37 GND
38 GND
39 GND
40 +5 VDC
Appendix A Connector Pinouts 271