Beta Draft Confidential
Cables and Pinout Assignments
Media Independent Interface (MII)
B-104/5/03 CBX 500 Multiservice WAN Switch Hardware Installation Guide
Media Independent Interface (MII)
Table B-6 lists the pinout assignments on the Ethernet I/O module’s MII connector.
Table B-6. Media Independent Interface (MII) Pinouts
Pin Signal Pin Signal
1 +5V 21 +5V
2 MDIO 22 common
3 MDC 23 common
4 RXD<3> 24 common
5 RXD<2> 25 common
6 RXD<1> 26 common
7 RXD<0> 27 common
8 RX_DV 28 common
9 RX_CLK 29 common
10 RX_ER 30 common
11 TX_ER 31 common
12 TX_CLK 32 common
13 TX_EN 33 common
14 TXD<0> 34 common
15 TXD<1> 35 common
16 TXD<2> 36 common
17 TXD<3> 37 common
18 COL 38 common