Cisco Catalyst 9400 Series User Manual

CHAPTER 3
Preparing for Installation
• Site Requirements, on page 27
• Power Requirements, on page 36
• Cabling Requirements, on page 41
• Rack-Mounting Guidelines, on page 41
• Site Preparation Checklist, on page 43
Site Requirements
Planning a proper location for the switch and layout of the equipment rack or wiring closet is essential for
successful system operation. These sections describe some of the basic site requirements that you should be
aware of as you prepare to install your switch, including the following:
• Environmental factors can adversely affect the performance and longevity of your system.
• Install the switch in an enclosed, secure area, ensuring that only qualified personnel have access to the
switch and control of the environment.
• Equipment that is placed too closely together or that is inadequately ventilated may cause system
over-temperature conditions, leading to premature component failure.
• Poor equipment placement can make chassis panels inaccessible and difficult to maintain.
• The switch requires a dry, clean, well-ventilated, and air-conditioned environment.
• To ensure normal operation, maintain ambient airflow. If the airflow is blocked or restricted, or if the
intake air is too warm, an over-temperature condition may occur. The switch environmental monitor may
then shut down the system to protect the system components.
• Multiple switches can be rack mounted with little or no clearance above and below the chassis. However,
when mounting a switch in a rack with other equipment, or when placing it on the floor near other
equipment, ensure that the exhaust from other equipment does not blow into the air intake vent of the
switch chassis.
• If the switch supports 90W PoE, the existing cabling in the building may not be suitable for the switch
installation. Reassess the cable plan with a qualified personnel.
For more information, see the Cabling Requirements section in this document.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
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Cisco Catalyst 9400 Series Specifications

General

Series	Catalyst 9400 Series
Form Factor	Rack-mountable
Operating System	Cisco IOS XE
Uplink Options	40G and 100G uplinks
Stacking	Not supported
Layer Support	Layer 2 and Layer 3
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 90% noncondensing
Power Supply Options	AC and DC power supplies
Redundancy	Power supply, supervisor engine
Modular Slots	7 or 10
MAC Address Table Size	256, 000
Security Features	ACLs, TrustSec, MACsec
Management	CLI, SNMP, NETCONF, RESTCONF, Cisco DNA Center