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Chapter 2
Switch Installation
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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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Switch Data Stacking Guidelines
For general concepts and management procedures for switch stacks, see the switch software
configuration guide on Cisco.com. .
Before connecting the switches in a stack, keep in mind these stacking guidelines:
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OL-19593-03
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 2-6
Data Stack Bandwidth and Partitioning Examples, page 2-7
Installing the Switch, page 2-15
Size of the switch and any optional power-supply module. The 1100-W power-supply module is
longer than the other modules. Stacking switches with the same power-supply modules together
makes it easier to cable the switches. For switch dimensions, see
Specifications."
Length of cable. Depending on the configurations that you have, you might need different-sized
cables. If you do not specify the length of the StackWise cable, the 0.5-meter cable is supplied. If
you need the 1-meter cable or the 3-meter cable, you can order it from your Cisco supplier. For cable
part numbers, see the
"StackWise Ports" section on page
Configurations" section on page 2-6
Planning a Switch Data Stack (Catalyst 3750-X Switches)
1-20. The
provides examples of recommended configurations.
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
Appendix A, "Technical
"Data Stack Cabling
2-5
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