Cisco ASR-920-24SZ-IM User Manual

Power Supply and Fans 15
LED Indicators 16
PWR and STAT LEDs 16
CPU Management Port LEDs 18
SFP LEDs 18
SFP+ LEDs 18
8 T1/E1 Interface Module LEDs 19
RJ-45 LEDs 20
Power Supply Unit LEDs 20
System–Interface LED Behavior 21
Online Insertion and Removal 22
Licensing the Router 23
CHAPTER 2 Preparing for Installation 25
Safety Guidelines 25
Standard Warning Statements 25
Safety Guidelines for Personal Safety and Equipment Protection 26
Safety Precautions for Module Installation and Removal 27
Safety with Electricity 27
Power Supply Considerations 30
Preventing ESD Damage 30
Site Planning 31
General Precautions 31
Site Planning Checklist 31
Site Selection Guidelines 32
Environmental Requirements 32
Physical Characteristics 33
Air Flow Guidelines 33
Air Flow Guidelines for ETSI Rack Installation 36
Floor Loading Considerations 36
Site Power Guidelines 36
Electrical Circuit Requirements 37
Site Cabling Guidelines 37
Asynchronous Terminal Connections 38
Interference Considerations 38
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
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Contents

Cisco ASR-920-24SZ-IM Specifications

General

Brand	Cisco
Model	ASR-920-24SZ-IM
Category	Network Router
Language	English