Cisco ASR-920-24TZ-M User Manual

electrical surge suppression and shielding of signal cables in your Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router operating environment.
Rack-Mounting Guidelines
The sections provide guidelines for rack-mounting the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router.
Precautions for Rack-Mounting
The following rack-mount guidelines are provided to ensure your safety:
•
Ensure that the rack is level and stable before extending a component from the rack.
•
Ensure that proper airflow is provided to the components in the rack.
•
Do not step on or stand on any component or system when servicing other systems or components in a
rack.
•
When mounting the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router 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.
Rack Selection Guidelines
The Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router can be mounted in most two-post
or four-post, 19-inch equipment racks that comply with the Electronic Industries Association (EIA) standard
for equipment racks (EIA-310-D 19-inch). The rack must have at least two posts with mounting flanges to
mount the chassis.
When mounting a chassis in any type of rack equipment, ensure that the inlet air to the chassis does not
exceed 70° C.
Caution
The distance between the center lines of the mounting holes on the two mounting posts must be 18.31 inch ±
0.06 inch (46.50 cm ± 0.15 cm). The rack-mounting hardware included with the chassis is suitable for most
19-inch equipment racks.
Consider installing the router in a rack with the following features:
•
NEBS-compliant, 19-inch wide (48.3-cm) rack.
•
EIA or European Telecommunications Standards Institute (ETSI) hole patterns in the mounting rails.
The required mounting hardware is shipped with the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router. If the rack that you plan to install the system in has metric-threaded rails,
you must provide your own metric-mounting hardware.
•
Perforated top and open bottom for ventilation to prevent overheating.
•
Leveling feet for stability.
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
39
Preparing for Installation
Rack-Mounting Guidelines

Cisco ASR-920-24TZ-M Specifications

General

Brand	Cisco
Model	ASR-920-24TZ-M
Category	Network Router
Language	English