Cisco 3750 - Catalyst EMI Switch Manuel de démarrage - Page 13

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Rack-Mounting

This section covers basic 19-inch rack-mounting and switch port connections. As an example, all the

illustrations show the Catalyst 3750G-48TS switch. You can install and connect other Catalyst 3750

switches as shown in these illustrations. For alternate mounting procedures, such as installing the

switch in a 24-inch rack or on a wall, and for additional cabling information, see the Catalyst 3750

Switch Hardware Installation Guide on Cisco.com.

You need to supply a number-2 Phillips screwdriver to rack-mount the switch.

When determining where to install the switch, verify that these guidelines are met:

• Airflow around the switch and through the

vents is unrestricted.

• Temperature around the switch does not

exceed 113°F (45°C).

• Humidity around the switch does not exceed

85 percent.

• Altitude at the installation site is not greater

than 10,000 feet.

• Clearance to the switch front and rear panels

meets these conditions:

Front-panel LEDs can be easily read.

–

Access to ports is sufficient for

–

unrestricted cabling.

AC power cord can reach from the

–

AC power outlet to the connector on the

switch rear panel.

Access to the rear of the rack is sufficient

–

for connecting StackWise cables to

stacked switches.

• Cabling is away from sources of electrical

noise, such as radios, power lines, and

fluorescent lighting fixtures.

• For 10/100 ports and 10/100/1000 ports, the

cable length from a switch to an attached

device cannot exceed 328 feet (100 meters).

• For cable lengths for small form-factor

pluggable (SFP) modules, see the

documentation that shipped with the module.

• For cable lengths for XENPAK modules, see

the documentation that shipped with the

module.