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Planning a Switch Data Stack (Catalyst 3750-X Switches)
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Tools and Equipment
You need to supply a number-2 Phillips screwdriver to rack-mount the switch. For connecting the
StackWise cables, you need a ratcheting torque screwdriver capable of 5 lbf-in. (80 ozf-in.).
Planning a Switch Data Stack (Catalyst 3750-X Switches)
Catalyst 3750-X switches can share bandwidth by using data stacking.
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Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
2-4
When connecting or disconnecting the power cord on a switch that is installed above or below a
1100-W power supply-equipped switch, you might need to remove the module from the switch to
access the power cord.
Cabling is away from sources of electrical noise, such as radios, power lines, and fluorescent
lighting fixtures. Make sure that the cabling is safely away from other devices that might damage
the cables.
For copper connections on Ethernet ports, cable lengths from the switch to connected devices can
be up to 328 feet (100 meters).
For cable requirements for SFP+ module connections, see the
section on page
B-5. Each port must match the wave-length specifications on the other end of the
cable, and the cable must not exceed the minimum cable length.
Operating environment is within the ranges listed in
Airflow around the switch and through the vents is unrestricted.
Temperature around the unit does not exceed 113°F (45°C). If the switch is installed in a closed or
multirack assembly, the temperature around it might be greater than normal room temperature.
Cisco Ethernet Switches are equipped with cooling mechanisms, such as fans and blowers. However,
these fans and blowers can draw dust and other particles, causing contaminant buildup inside the
chassis, which can result in system malfunction. You must install this equipment in an environment
as free from dust and foreign conductive material (such as metal flakes from construction activities)
as is possible.
These standards provide guidelines for acceptable working environments and acceptable levels of
suspended particulate matter:
Network Equipment Building Systems (NEBS) GR-63-CORE (only with the DC power supply)
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National Electrical Manufacturers Association (NEMA) Type 1
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International Electrotechnical Commission (IEC) IP-20
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Switch Data Stacking Guidelines, page 2-5
Data Stack Cabling Configurations, page 2-5
Data Stack Bandwidth and Partitioning Examples, page 2-7
Installing the Switch, page 2-14
Chapter 2
"Cable and Adapter Specifications"
Appendix A, "Technical Specifications."
Switch Installation
OL-19593-02
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