Dell S4048-ON EMC PowerSwitch Installation Guide March 2021 - Page 3

Contents Chapter 1: About this guide...5 Related documents...5 Chapter 2: The S4048-ON switch 6 Introduction...6 Features...7 Physical dimensions...7 Switch status...8 LED display...8 LED behavior...9 Prerequisites...10 S4048-ON configurations...11 Chapter 3: Site preparations...12 Site selection...12 Cabinet placement...12 Rack mounting...13 Switch ground...13 Fans and airflow...13 Power...13 Storing components...13 Chapter 4: NEBS compliance...15 Important information...15 Chapter 5: S4048-ON installation 16 Unpack the switch...16 Unpack...16 Rack or cabinet hardware installation...16 ReadyRails system installation...17 Two-post flush-mount configuration...18 Two-post center-mount configuration...18 Four-post threaded configuration...19 S4048-ON installation...20 1U front-rack installation...20 Ground cable...22 SFP+ and QSFP+ optic installation...22 QSFP+ optic replacement...22 Split QSFP+ ports to SFP+ ports...22 Switch power-up...23 Chapter 6: Power supplies...24 Components...24 AC power supply installation...25 Contents 3