Cisco 7200 VXR Series Посібник із швидкого старту - Сторінка 19
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Depending on the I/O controller installed in your Cisco 7200 VXR router, you may have a Gigabit Ethernet port, RJ-45 ports,
or no Ethernet port. The following table provides information about the types of ports on different I/O controller models.
Table 2
I/O Controller Port Information
Product Number
C7200-I/O-GE+E
C7200-I/O-2FE/E
C7200-I/O
Ethernet Port Connections
I/O controllers have the possibility of one or two of three types of Ethernet connections: MII connections and RJ-45 connections
for 10/100-Mbps operation, and a Gigabit Interface Converter (GBIC) connection for 1000-Mbps operation. For more
information about Ethernet ports, see the online Cisco 7200 VXR Installation and Configuration Guide.
RJ-45 Connections
Warning
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage
(TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports
both use RJ-45 connectors. Use caution when connecting cables. Statement 1021
To identify the RJ-45 cable type, hold the two ends of the cable next to each other so you can see the colored wires inside the
ends. The straight-through wire type has colored wires in the same sequence at both ends.
In the crossover wire type, the first colored wire at the far left is the third colored wire at the other end. The second colored
wire at the far left is the sixth colored wire at the other end.
Attach any RJ-45 Ethernet cables to the appropriate connector.
Figure 14
Connecting Optical Fiber Cables
2
1
3
1
To external 1000BASEX network
2
1 duplex connector (TX and RX)
3
To external 1000BASEX network
Description
1 Gigabit Ethernet and 1 Ethernet port; equipped with a GBIC receptacle for 1000 megabits per
second (Mbps) operation and an RJ-45 receptacle for 10-Mbps operation.
2 autosensing Ethernet/Fast Ethernet ports; equipped with 2 RJ-45 receptacles for 10/100-Mbps
operation.
Has no Ethernet port.
4
5
6
4
2 simplex connectors
5
RX
6
TX
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