Install Guide
Table Of Contents
- S3048-ON Installation Guide January 2019
- About this guide
- The S3048–ON switch
- Site preparations
- NEBS compliance
- Install the S3048–ON
- Power supplies
- Fans
- Management ports
- Specifications
- Chassis physical design
- IEEE Standards
- Agency compliance
- USA Federal Communications Commission Statement
- European Union EMC Directive Conformance Statement
- Japan VCCI Compliance for Class A Equipment
- Korean Certification of Compliance
- Safety Standards and Compliance Agency Certifications
- Electromagnetic compatibility
- Product recycling and disposal
- Dell EMC support

NOTE: The S3048-ON powers up when you connect the cables between the power supply and the power source.
AC power supply replacement
CAUTION: Disconnect the power cord before removing the power supplies. Also, disconnect all power cords before servicing.
NOTE: The PSU slides into the slot smoothly. Do not force a PSU into a slot as this action may damage the PSU or the S3048–
ON chassis.
NOTE: If a PSU fails, you must replace the entire unit. There are no eld serviceable components in the PSU.
NOTE: If you use a single PSU, install a blank plate in the other PSU slot. If you are only using one power supply, Dell EMC
recommends installing the power supply in the rst slot (PSU1) and installing a blank plate in the second slot (PSU2).
1 Disconnect the power cable from the PSU.
2 Use the grab handle to slide the PSU out of the power supply bay.
3 Use the grab handle on the replacement PSU to slide it into the power supply bay.
4 Attach the power cord to the replacement PSU.
NOTE: The switch powers up when you connect the cables between the power supply and the power source.
26 Power supplies