 40 pin HI-DENSITY D-SUB female connector at the network device |
Pin |
Name |
Dir |
Description |
1 |
V |
 |
+5 Vdc/ 3.3 Vdc |
2 |
MDIO |
 |
MII Data Input/Output |
3 |
MDC |
 |
MII Data Clock |
4 |
RxD |
 |
Rx Data |
5 |
RxD |
 |
Rx Data |
6 |
RxD |
 |
Rx Data |
7 |
RxD |
 |
Rx Data |
8 |
Rx_DV |
 |
Rx Data Valid |
9 |
Rx_CLK |
 |
Rx Clock |
10 |
Rx_ER |
 |
Rx Error |
11 |
Tx_ER |
 |
Tx Error |
12 |
Tx_CLK |
 |
Tx Clock |
13 |
Tx_EN |
 |
Tx Enable |
14 |
TxD |
 |
Tx Data |
15 |
TxD |
 |
Tx Data |
16 |
TxD |
 |
Tx Data |
17 |
TxD |
 |
Tx Data |
18 |
COL |
 |
Collision |
19 |
CRS |
 |
Carrier Sense |
20 |
V |
 |
+5 Vdc/ +3.3 Vdc |
21 |
V |
 |
+5 Vdc/ +3.3 Vdc |
22 |
GND |
 |
Ground |
23 |
GND |
 |
Ground |
24 |
GND |
 |
Ground |
25 |
GND |
 |
Ground |
26 |
GND |
 |
Ground |
27 |
GND |
 |
Ground |
28 |
GND |
 |
Ground |
29 |
GND |
 |
Ground |
30 |
GND |
 |
Ground |
31 |
GND |
 |
Ground |
32 |
GND |
 |
Ground |
33 |
GND |
 |
Ground |
34 |
GND |
 |
Ground |
35 |
GND |
 |
Ground |
36 |
GND |
 |
Ground |
37 |
GND |
 |
Ground |
38 |
GND |
 |
Ground |
39 |
GND |
 |
Ground |
40 |
V |
 |
+5 Vdc/ +3.3 Vdc |
|  40 pin HI-DENSITY D-SUB male connector at the transciever |