Physical Characteristics; Air Flow Guidelines - Cisco ASR-920-24SZ-IM Hardware Installation Manual

Preparing for Installation

Physical Characteristics

Be familiar with the physical characteristics of the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M,
ASR-920-24TZ-M Router to assist you in placing the system in the proper location. For more information,
see Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router Specifications table.

Air Flow Guidelines

Cool air is circulated through the Cisco ASR 920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Router
by fans located along the back side of the router.
The internal fans maintain acceptable operating temperatures for the internal components by drawing in cool
air through the vents, and circulating the air through the chassis.
The direction of air flow is from front-to-back. The following figure shows the direction of the air flow through
the Cisco ASR-920-24SZ-IM Router.
Figure 10: Air Flow in the Cisco ASR-920-24SZ-IM Router
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Site Selection Guidelines
Guide
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