Temperature and Humidity Guidelines
The operating and nonoperating environmental site requirements are listed in Cisco ASR 9000 Series Routers
Environmental Specifications section of Cisco ASR 9000 Series Aggregation Services Router Overview and
Reference Guide.
The router normally operates within the ranges listed in the table; however, if a temperature measurement is
approaching a minimum or maximum parameter, it indicates a potential problem. Maintain normal operation
by anticipating and correcting environmental anomalies before they approach critical values by properly
planning and preparing your site before you install the router.
Power Connection Guidelines
You can configure the router with either an AC input or DC input power subsystem, so the site power source
requirements differ depending on the power subsystem in your router. Ensure all power connection wiring
conforms to the rules and regulations in the National Electrical Code (NEC) as well as local codes.
Each Cisco ASR 9000 Series Router is powered by only one type of input: AC or DC. A hybrid (AC+DC)
power configuration is not supported.
Caution
Table 2: Cisco ASR 9000 Series Routers Supported Power Systems
Supported Power SystemsRouter
Version 1: Supports up to three power modules in the power tray.
Version 2: Supports up to four power modules in the power tray Compatible only with
Cisco IOS XR Software Release 4 and later Cisco IOS XR software releases.
The ASR 9006 chassis does not support version 3 power modules.Note
Cisco ASR 9006
Version 1: Supports up to three power modules in the power tray.
Version 2: Supports up to four power modules in the power tray Compatible only with
Cisco IOS XR Software Release 4 and later Cisco IOS XR software releases.
Version 3: Supports up to four DC power modules in the DC power tray and up to
three AC power modules in the AC power tray. Compatible only with Cisco IOS XR
Software Release 5.3.0 and later Cisco IOS XR software releases.
Cisco ASR 9010
Version 2: Supports up to four power modules in the power tray. Compatible only
with Cisco IOS XR Software Release 4 and later Cisco IOS XR software releases.
Cisco ASR 9904
Version 3: Supports up to three AC power modules in the AC power tray and up to
four DC power modules in the DC power tray.
Cisco ASR 9910
Version 2: Supports up to four power modules in the power tray.
Version 3: Supports up to four DC power modules in the DC power tray and up to
three AC power modules in the AC power tray. Compatible only with Cisco IOS XR
Software Release 5.3.0 and later Cisco IOS XR software releases.
Cisco ASR 9912
Cisco ASR 9922
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
35
Preparing for Installation
Site Requirement Guidelines
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