Cisco Systems CISCO7201 Manual De Usuario

For related documentation, see the following documents:

Cisco SFP Optics for Gigabit Ethernet Applications Data Sheet

Cisco 1000BASE-T SFP Data Sheet

The Cisco 7201 router has RJ-45 ports for the two 10/100/1000 Gigabit Ethernet/Fast Ethernet/Ethernet 
connections. In addition, the Cisco 7201 router has an RJ-45 Fast Ethernet Management port. The RJ-45 
ports support IEEE 802.3ab (Gigabit Ethernet) and IEEE 802.3u (Fast Ethernet) interfaces compliant 
with 10BASET, 100BASETX, and 1000BASET specifications.

The RJ-45 ports support standard straight-through and crossover Category 5 UTP cables with RJ-45 
connectors. Cisco does not supply Category 5 UTP cables; these cables are available commercially. 

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

 shows an RJ-45 port and connector. 

 lists the pinouts and signals for the RJ-45 

port. 

 

6.

For fiber types 50/125 

µ

m, NA = 0.20 fiber and 62.5/125 

µ

m, NA = 0.275 fiber.

7.

For fiber types 50/125 

µ

m MMF and 62.5/125 

µ

m MMF.

RJ-45 connector

1

TX DATA+

1

Tx A+

2

TX DATA–

Tx A–

3

RX DATA+

2

Rx B+

4

N/C

Tx C+

5

N/C

Tx C–

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