CONTENTS
Safety Warnings 1
CHAPTER 1
Standard Warning Statements 1
Safety Guidelines for Personal Safety and Equipment Protection 2
Safety Precautions for Module Installation and Removal 3
Safety with Electricity 3
Power Supply Considerations 6
Power Connection Guidelines 6
Guidelines for DC-Powered Systems 7
Guidelines for AC-Powered Systems 7
Prevent Power Loss 7
Preventing ESD Damage 7
Overview 9
CHAPTER 2
Features 9
GigabitEthernet Copper Ports 10
GE SFP Ports 11
SFP+ Ports 11
External Interfaces 11
Network Interfaces 11
Network Timing Interfaces 11
External Alarm Inputs 12
Console 12
Auxiliary Console 12
USB Console 12
USB Memory 12
Online Insertion and Removal 13
Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide
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