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Cisco ASR-920-12SZ-IM Hardware Installation Guide

Cisco ASR-920-12SZ-IM
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rear clearance10 cm
This space ensures that you can remove the router components and perform routine maintenance and upgrades
easily.
Avoid installing the router in a congested rack and consider how routing of cables from other pieces of
equipment in the same rack could affect access to the router cards.
The front and rear of the chassis must remain unobstructed to ensure adequate airflow and prevent overheating
inside the chassis.
To avoid problems during installation and ongoing operations, follow these general precautions when you
plan equipment locations and connections:
Use the show environment all command regularly to check the internal system status. The environmental
monitor continually checks the interior chassis environment; it provides warnings about high temperature
and creates reports on other potentially dangerous occurrences. If warning messages are displayed, take
immediate action to identify the cause, and correct the problem.
Keep the router off the floor and out of areas that collect dust.
Follow ESD-prevention procedures to avoid damage to equipment. Damage from static discharge can
cause immediate or intermittent equipment failure.
Locating for Proper Airflow
Ensure that the router location has enough airflow to keep the system operating within the environmental
characteristics and the air temperature is sufficient to compensate for the heat dissipated by the system. For
more information, see the Air Flow Guidelines section.
Installation Checklist
To assist you with your installation and to provide a record of what was done by whom and when, photocopy
the Cisco ASR 920 Series Router Installation Checklist shown in the table below. Use this to record the
completion and verification of each procedure. After the checklist is completed, place it in your Site Log along
with the other records pertaining to your new Cisco router.
Table 12: Installation Checklist
DateVerified ByTask
Date on which chassis received
Chassis and all accessories
unpacked
Types and numbers of interfaces
verified
Safety recommendations and
guidelines reviewed
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
31
Preparing for Installation
Installation Checklist

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Cisco ASR-920-12SZ-IM Specifications

General IconGeneral
DSL WANNo
Ethernet WANYes
Networking standardsIEEE 802.3x
Ethernet LAN data rates10, 100, 1000, 10000 Mbit/s
USB ports quantity2
Ethernet LAN (RJ-45) ports8
Product colorGray
Rack capacity1U
Antenna typeNot supported
AC input voltage100 - 240 V
Power source typeAC, DC, PoE
AC input frequency50 - 60 Hz
Power consumption (typical)130 W
Non-operating altitude0 - 4570 m
Operating temperature (T-T)-40 - 70 °C
Operating relative humidity (H-H)5 - 95 %
SafetyUL 60950-1, 2005, CAN/CSA C22.2 No. 60950-1: 2005, IEC 60950-1, 2005, EN 60950-1, 2005, AS/NZS 60950.1:2005
Electromagnetic compatibilityFCC CFR47 Part 15 Class A
Mean time between failures (MTBF)407230 h
Firewall-
Security algorithmsIPSec
Weight and Dimensions IconWeight and Dimensions
Depth286.54 mm
Width444.5 mm
Height44 mm
Weight4830 g

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