Cisco 7206VXR Installation Guide - Page 86

Ethernet and Fast Ethernet RJ-45 Connection Equipment, RJ-45 Port and Plug, Table 3-3

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Connecting I/O Controller Cables Chapter 3 Installing the Cisco 7206 Table 3-3 MII Port Pinout Pin1 In Out I/O Description 14-17 12 - Yes - Yes - - Transmit Data (TxD) Transmit Clock (Tx_CLK)2 11 - Yes - Transmit Error (Tx_ER) 13 - Yes - Transmit Enable (Tx_EN) 3 - Yes - MII Data Clock (MDC) 4-7 Yes - - Receive Data (RxD) 9 Yes - - Receive Clock (Rx_CLK)2 10 Yes - - Receive Error (Rx_ER) 8 Yes - - Receive Data Valid (Rx_DV) 18 Yes - - Collision (COL) 19 Yes - - Carrier Sense (CRS) 2 - - Yes MII Data Input/Output (MDIO) 22-39 - - - Common (ground) 1, 20, 21, - - - +5.0 volts (V) 40 1. Any pins not indicated are not used. 2. Tx_CLK and Rx_CLK are provided by the external transceiver. Ethernet and Fast Ethernet RJ-45 Connection Equipment The RJ-45 port on the I/O controller is configurable for 100 Mbps full-duplex or half-duplex (half-duplex is the default) and supports IEEE 802.3 (Ethernet) and IEEE 802.3u interfaces complaint with 10BASET and 100BASETX specifications. The RJ-45 port supports standard straight-through and crossover Category 5 unshielded twisted-pair (UTP) cables (refer to Figure 3-15). Cisco Systems does not supply Category 5 UTP cables; these cables are available commercially. Figure 3-17 shows the RJ-45 port and connector. Table 3-4 lists the pinouts and signals for the RJ-45 port. Figure 3-17 RJ-45 Port and Plug H2936 8 7 6 5 4 3 2 1 RJ-45 connector 3-18 Cisco 7206 Installation and Configuration Guide OL-5102-02

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3-18
Cisco 7206 Installation and Configuration Guide
OL-5102-02
Chapter 3
Installing the Cisco 7206
Connecting I/O Controller Cables
Ethernet and Fast Ethernet RJ-45 Connection Equipment
The RJ-45 port on the I/O controller is configurable for 100 Mbps full-duplex or half-duplex
(half-duplex is the default) and supports IEEE 802.3 (Ethernet) and IEEE 802.3u interfaces complaint
with 10BASET and 100BASETX specifications.
The RJ-45 port supports standard straight-through and crossover Category 5 unshielded twisted-pair
(UTP) cables (refer to
Figure 3-15
). Cisco Systems does not supply Category 5 UTP cables; these cables
are available commercially.
Figure 3-17
shows the RJ-45 port and connector.
Table 3-4
lists the pinouts and signals for the RJ-45
port.
Figure 3-17
RJ-45 Port and Plug
Table 3-3
MII Port Pinout
Pin
1
1.
Any pins not indicated are not used.
In
Out
I/O
Description
14–17
–
Yes
–
Transmit Data (TxD)
12
Yes
–
–
Transmit Clock (Tx_CLK)
2
2.
Tx_CLK and Rx_CLK are provided by the external transceiver.
11
–
Yes
–
Transmit Error (Tx_ER)
13
–
Yes
–
Transmit Enable (Tx_EN)
3
–
Yes
–
MII Data Clock (MDC)
4–7
Yes
–
–
Receive Data (RxD)
9
Yes
–
–
Receive Clock (Rx_CLK)
2
10
Yes
–
–
Receive Error (Rx_ER)
8
Yes
–
–
Receive Data Valid (Rx_DV)
18
Yes
–
–
Collision (COL)
19
Yes
–
–
Carrier Sense (CRS)
2
–
–
Yes
MII Data Input/Output (MDIO)
22–39
–
–
–
Common (ground)
1, 20, 21,
40
–
–
–
+5.0 volts (V)
H2936
8 7 6 5 4 3 2 1
RJ-45 connector