Cisco Catalyst 3750-X User Manual

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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
Chapter 1 Overview
Network Configuration Examples
Figure 1-11 Catalyst 3750-X Switches in a MAN Configuration
Long-Distance, High-Bandwidth Transport Configuration
Figure 1-12 shows a configuration for sending 8 Gigabits of data over a single fiber-optic cable. The
Catalyst 3750-X or 3560-X switches have coarse wavelength-division multiplexing (CWDM) fiber-optic
SFP modules inst
alled. 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
fo
r long-distance transmissions is 1550 nm.
The CWDM SFP modules connect to CWDM optical add/drop multipl
exer (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 modul
es and CWDM OADM modules, see the Cisco
CWDM GBIC and CWDM SFP Installation Note.
200863
Service
Provider
POP
Mini-POP
Gigabit MAN
Residential
location
StackWise Plus
switch stack
Standalone
switches
Catalyst 6500
switches
Cisco 12000
Gigabit switch routers
Si Si
Si
Residential
gateway (hub)
Set-top box
TV
PC
Set-top box
TV

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing