Распиновка, расположение выводов и внешний вид разъема сетевого устройства:
Media Independent Interface (MII)
(at the network device).
(at the transciever).
40 PIN HI-DENSITY D-SUB FEMALE at the network device.
40 PIN HI-DENSITY D-SUB MALE at the transciever.
PinNameDirDescription
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
Note: Direction is DTE (Network device) relative DCE (Transciever).
Contributor:
Joakim Цgren, Mark S Stephenson
Source:
Ethernet (IEEE802.3) page made-it.com/CKP/ieee8023.html at Connectivity Knowledge Platform (Made IT)
A Tech Doc at Cisco Systems cisco.com
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May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10