Site Requirement Guidelines; Rack-Mounting Guidelines - Cisco uBR7100 Series Hardware Installation Manual
Ubr7100, ubr7100e series universal broadband router
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Also See for uBR7100 Series:
- Hardware installation manual (138 pages) ,
- Quick reference manual (38 pages)
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Site Requirement Guidelines
Site Requirement Guidelines
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
The environmental monitoring functionality in the router protects the system and components from
potential damage from overvoltage and overtemperature conditions. To ensure that normal operation and
avoid unnecessary maintenance, plan your site configuration and prepare your site before installation.
After installation, make sure the site maintains an ambient temperature of 32°F through 104°F (0°C
through 40°C), and keep the area around the chassis as free from dust as is practical.
Planning a proper location for the router and the layout of your equipment rack or wiring closet is
essential for successful system operation. Equipment placed too close together or inadequately
ventilated can cause system overtemperature conditions. In addition, chassis panels made inaccessible
by poor equipment placement can make system maintenance difficult. Following are precautions that can
help avoid problems during installation and ongoing operation.
Follow these general precautions when planning your equipment locations and connections:
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Rack-Mounting Guidelines
The rack-mounting hardware included with router is suitable for standard 19-inch equipment racks and
telco-type racks; brackets for 23- and 24-inch racks are available separately. To easily access the
interface cables while the router is installed in a rack make certain that you have access to the rear of the
router.
Before using a particular rack, check for obstructions (such as a power strip) that could impair
rack-mount installation. If a power strip does impair a rear rack-mount installation, remove the power
strip before installing the router in the rack, and then replace it after the chassis is installed. As an
alternative, you can mount the router on an equipment shelf, provided that the rack dimensions allow
you to secure the router to the shelf and the overall configuration permits safe installation and access.
However, we recommend rack-mounting the router.
Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide
2-6
Plan for access to both front and rear panels of the chassis.
Ensure that the room where the chassis operates has adequate ventilation. Remember that electrical
equipment generates heat. Ambient air temperature may not cool equipment to acceptable operating
temperatures without adequate ventilation.
Use the show environment command regularly to check the internal system status. The
environmental monitor continually checks the interior chassis environment; it provides warnings for
high temperature and maximum and minimum voltages and creates reports on any occurrences. If
warning messages are displayed, take immediate action to identify the cause and correct the
problem.
We recommend keeping the router off the floor and out of any area that tends to collect dust.
Follow ESD prevention procedures to avoid damage to equipment. Damage from static discharge
can cause immediate or intermittent equipment failure.
Ensure that the port adapter (or the blank port adapter) is in place and secure for proper cooling. The
fans direct cooling air throughout the chassis interior; a loose component or empty slot can redirect
the air flow away from active components.
Chapter 2
Preparing for Installation
OL-5916-01
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