Cisco ASR 920 series Manual de instalación del hardware - Página 32
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Site Planning
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Site Selection Guidelines
The Cisco ASR 920 Series Router requires specific environmental operating conditions. Temperature,
humidity, altitude, and vibration can affect the performance and reliability of the router. The following
sections provide specific information to help you plan for the proper operating environment.
The Cisco ASR 920 Series Router is designed to meet the industry EMC, safety, and environmental
standards described in the Regulatory Compliance and Safety Information for the
Cisco ASR 920 Series Aggregation Services Router document.
Environmental Requirements
Environmental monitoring of the Cisco ASR 920 Series Router protects the system and components
from damage caused by excessive voltage and temperature conditions. To ensure normal operation and
avoid unnecessary maintenance, plan and prepare your site configuration before installation. After
installation, make sure that the site maintains the environmental characteristics described in
For an outside plant installation (cell site cabinet, hut etc.), it is required that the
Cisco ASR 920 Series Router be protected against airborne contaminants, dust, moisture, insects, pests,
corrosive gases, polluted air or other reactive elements present in the outside air. To achieve this level of
protection, we recommend that the unit be installed in a fully sealed enclosure or cabinet. Examples of
such cabinets include IP65 cabinets with heat exchanger complying with Telecordia GR487.
Temperature must be maintained within –40º C to 70º C.
The equipment shall be placed inside a space protected from direct outside weather and environmental
stresses by an enclosure, and where the operating climate, as defined by Class 2 of GR-3108-CORE, is
between
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Physical Characteristics
Be familiar with the physical characteristics of the Cisco ASR 920 Series Router to assist you in placing
the system in the proper location. For more information, see
Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
2-10
The electrical circuit servicing the Cisco ASR 920 Series Router complies with the requirements.
Consideration has been given to the console port wiring and limitations of the cabling involved,
according to TIA/EIA-232F.
The Cisco ASR 920 Series Router Ethernet cabling distances are within the prescribed limitations.
The equipment rack in which you plan to install the Cisco ASR 920 Series Router complies with
prescribed requirements.
When selecting the location of the rack, careful consideration must be given to safety, ease of
maintenance, and proper airflow.
-40°C (-40°F) and 70°C (158°F)
5 and 85% RH.
Chapter 2
Preparing for Installation
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