Cisco Secure Network Server 3600 Series Manuale di installazione dell'hardware - Pagina 20

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1. Cisco Sns 3600 Series Appliance Hardware Specifications

Rack Requirements

Warning

This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that

the protective device is rated not greater than: 250 V, 15 A.

Statement 1005

Warning

Installation of the equipment must comply with local and national electrical codes.

Statement 1074

Warning

This unit is intended for installation in restricted access areas. A restricted access area can be accessed

only through the use of a special tool, lock, and key, or other means of security.

Statement 1017

Caution

Rack the appliance using rail kits to ensure proper airflow. Physically placing the units on top of one another

or stacking without the use of the rail kits, blocks the air vents on the top, which could result in overheating,

higher fan speeds, and higher power consumption. We recommend that you mount your appliance on rail kits

while installing in the rack because these rails provide the minimal spacing required between the units. No

additional spacing is required when you mount the units using rail kits.

Follow these guidelines while installing the appliance:

• Ensure that there is adequate space around the appliance to allow for easy access and for adequate airflow.

• Ensure that the air-conditioning meets the thermal requirements listed in the

• Ensure that the cabinet or rack meets the requirements listed in the

• Ensure that the site power meets the power requirements listed in the

Rack Requirements

The rack must be of the following type:

• A standard 19-inch (48.3 cm) wide, four-post EIA rack, with mounting posts that conform to English

• The rack-post holes can be square 0.38 inch (9.6 mm), round 0.28 inch (7.1 mm), #12-24 UNC, or #10-32

• The minimum vertical rack space per server must be one rack unit (RU), which is equal to 1.75 inch

Cisco Secure Network Server 3600 Series Appliance Hardware Installation Guide

on page

27.

If available, you can use an uninterruptible power supply (UPS) to protect against power failures.

universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.

UNC when you use the Cisco-supplied slide rails.

(44.45 mm).

Installing the Appliance

Environmental Specifications,

Rack Requirements, on page

Power Specifications, on page

16.

28.