Cisco Catalyst 3560-X Software Configuration Manual page 78

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Table of Contents

Network Configuration Examples

Gigabit switch routers

Long-Distance, High-Bandwidth Transport Configuration

Catalyst 3750-X or 3560-X 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.

Catalyst 3750-X and 3560-X Switch Software Configuration Guide

Catalyst 3750-X Switches in a MAN Configuration

Catalyst 6500

StackWise Plus

switch stack

shows a configuration for sending 8 Gigabits of data over a single fiber-optic cable. The

gateway (hub)

Troubleshooting

Catalyst 3750-x