Cisco Cisco NetFlow Generation Appliance (NGA) 3140 Installation Guide
16
Quick Start Guide for Cisco NetFlow Generation Appliance
OL-26346-01
Quick Start Guide for Cisco NetFlow Generation Appliance (NGA) 3140
Preparing for Installation—Details
•
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.
adequate airflow. The airflow in this appliance is from front to back.
•
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
. If available, you can use an uninterruptible power supply (UPS) to protect against power
failures.
Caution
Avoid UPS types that use ferroresonant technology. These UPS types can become unstable with systems
such as the Cisco UCS, which can have substantial current draw fluctuations from fluctuating data traffic
patterns.
such as the Cisco UCS, which can have substantial current draw fluctuations from fluctuating data traffic
patterns.
Rack Requirements
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.
universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.
•
The rack post holes can be square .38-inch (9.6 mm), round .28-inch (7.1 mm), #12-24 UNC, or
#10-32 UNC when you use the supplied slide rails.
#10-32 UNC when you use the supplied slide rails.
•
The minimum vertical rack space per appliance must be one RU, equal to 1.75 in. (44.45 mm).
Equipment Requirements
The slide rails supplied by Cisco Systems for this appliance do not require tools for installation. The
inner rails (mounting brackets) are pre-attached to the sides of the appliance.
inner rails (mounting brackets) are pre-attached to the sides of the appliance.
Install the Appliance In a Rack
This section describes how to install the appliance in a rack.
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special
precautions to ensure that the system remains stable. The following guidelines are provided to ensure
your safety:
precautions to ensure that the system remains stable. The following guidelines are provided to ensure
your safety:
This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component
at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component
at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.
Statement 1006