Cisco Systems 3560 Manual Do Utilizador

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Catalyst 3560 Switch Software Configuration Guide
OL-8553-06
Chapter 1      Overview
Where to Go Next
Long-Distance, High-Bandwidth Transport Configuration
 shows a configuration for sending 8 Gigabits of data over a single fiber-optic cable. The 
Catalyst 3560 switches have coarse wavelength-division multiplexing (CWDM) fiber-optic SFP 
modules installed. Depending on the CWDM SFP module, data is sent at wavelengths from 1470 to 
1610 nm. The higher the wavelength, the farther the transmission can travel. A common wavelength used 
for long-distance transmissions is 1550 nm.
The CWDM SFP modules connect to CWDM optical add/drop multiplexer (OADM) modules over 
distances of up to 393,701 feet (74.5 miles or 120 km). The CWDM OADM modules combine (or 
multiplex) the different CWDM wavelengths, allowing them to travel simultaneously on the same 
fiber-optic cable. The CWDM OADM modules on the receiving end separate (or demultiplex) the 
different wavelengths.
For more information about the CWDM SFP modules and CWDM OADM modules, see the Cisco 
CWDM GBIC and CWDM SFP Installation Note
.
Figure 1-5
Long-Distance, High-Bandwidth Transport Configuration
Where to Go Next
Before configuring the switch, review these sections for startup information:
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95750
Access layer
Catalyst 4500
multilayer
switches
Eight
1-Gbps
connections
8 Gbps
Catalyst switches
CWDM
OADM
modules
CWDM
OADM
modules
Aggregation layer