Руководство По Установке для Cisco Cisco Email Security Appliance C170

Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003

This product requires short-circuit (overcurrent) protection to be provided as part of the building 
installation. Install only in accordance with national and local wiring regulations.
Statement 1045

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

Installation of the equipment must comply with local and national electrical codes.
Statement 1074

Do not block the air vents on the top of the appliance’s cover. Do not stack another appliance directly on 
top of the appliance. Doing so blocks the proper airflow, which could result in overheating, higher fan 
speeds, and higher power consumption.

Avoid UPS types that use ferroresonant technology. These UPS types can become unstable with systems 
such as the Cisco 380 and Cisco 680 series appliance, which can have substantial current draw 
fluctuations from fluctuating data traffic patterns.

When you are installing a appliance, use the following guidelines:

Plan your site configuration and prepare the site before installing the appliance. 

Ensure that there is adequate space around the appliance to allow for servicing the appliance and for 
adequate airflow. The airflow in this appliance is from front to back.

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

.

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

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

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

This section provides the requirements for the standard open racks.

The rack must be of the following type:

A standard 19-in. (48.3-cm) wide, four-post EIA rack, with mounting posts that conform to English 
universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.