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Catalyst 3850 Switch Hardware Installation Guide
OL-26779-02
Chapter 2 Switch Installation
Preparing for Installation
Warning
For connections outside the building where the equipment is installed, the following ports must be
connected through an approved network termination unit with integral circuit protection: 10/100/1000
Ethernet.
Statement 1044
Warning
To prevent the system from overheating, do not operate it in an area that exceeds the maximum
recommended ambient temperature of:
113°F (45°C)
Statement 1047
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
Warning
To prevent airflow restriction, allow clearance around the ventilation openings to be at least:
3 in. (7.6 cm)
Statement 1076
Note The grounding architecture of this product is DC-isolated (DC-I).
Installation Guidelines
Before installing the switch, verify that these guidelines are met:
• Clearance to front and rear panels requires that
–
Front-panel indicators can be easily read.
–
Clearance is at least 4.4 in. (11.1 cm) from switch rear panel.
–
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.
–
The SFP or SFP+ module minimum bend radius and connector length is met. See the SFP or
SFP+ module documentation for more information.
• For switches with the optional 1100-W power-supply module (PWR-C1-1100WAC=), first
rack-mount the switch before installing the power-supply module.
• Make sure power-supply modules and fan modules are securely inserted in the chassis before
moving the switch.
• 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.