Cisco ASR-920-20SZ-M Hardware Installation Manual page 4

Contents
C H A P T E R 3
Prepare for Installation
C H A P T E R 4 Install the Router
Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide
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Power Supply and Fans 13
Licensing
14
15
Site Planning
15
General Precautions
15
Site Planning Checklist
Site Selection Guidelines
Airflow for Site Planning
Environmental Requirements
Physical Characteristics
Airflow Guidelines
17
Floor Loading Considerations
Site Power Guidelines
18
Electrical Circuit Requirements
Site Cabling Guidelines
Asynchronous Terminal Connections
Interference Considerations
Rack-Mounting Guidelines
Precautions for Rack-Mounting
Rack Selection Guidelines
Receive the Device
21
Unpack and Verify Shipped Contents
Tools and Equipment
24
25
Rack Compatibility
25
Rack Types
25
Set up Device on Rack or Wall
Rack Mount
27
Install Rack Brackets
Set up Device on Rack
Attaching the Cable Guides
Wall Mount
34
15
16
16
16
17
18
19
19
19
19
20
20
20
23
27
27
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