12. Make sure the -48 V DC power source is off or the PDU breaker is in the off position, and then connect
the power cord to the -48 V DC power source or PDU.
13. Turn on the -48 V power source or switch the PDU breaker to the on position to supply -48 V to the
power supply.
14. Make sure that the power supply LED is green.
Tower-to-rack conversion kit
Use the tower-to-rack conversion kit to switch the tower server to rack mode operation. After the kit is
installed, complete in-rack serviceability for all server components is supported.
Kit contents
• Left and right rack rail assemblies
• Server tray
• Cable management arm
• Chassis rear bracket screws (3)
• Shipping hardware – Install these hardware only if you intend to transport or ship a rack-installed server to
a new location.
◦ Shipping brackets (2)
◦ Shipping bracket screws (4)
◦ M5 square-hole cage nuts (4)
◦ Rear shipping screws (2)
Installing the tower-to-rack conversion kit
In this procedure, left and right terminology is from the perspective of a user facing the front of the rack.
Procedure
1. Review the rack warnings and cautions.
2. If the server is currently used in tower mode, prepare the server for rack installation.
3. Install the rack rails and server tray on page 80.
4. Install the server on the tray on page 83.
5. Install the cable management arm on page 85.
Prepare the server for rack installation
Prerequisites
Before you perform this procedure:
Tower-to-rack conversion kit 79