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USER’S MANUAL
Revision 1.0f
S SUPER ERVER®
2028U-T Series

The information in this User’s Manual has been carefully reviewed and is believed to be accurate.
The vendor assumes no responsibility for any inaccuracies that may be contained in this document,
makes no commitment to update or to keep current the information in this manual, or to notify any
person or organization of the updates. For the most up-to-date version of this manual, Please Note:
please see our web site at www.supermicro.com.
Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product
described in this manual at any time and without notice. This product, including software and
documentation, is the property of Supermicro and/or its licensors, and is supplied only under a
license. Any use or reproduction of this product is not allowed, except as expressly permitted by
the terms of said license.
IN NO EVENT WILL SUPERMICRO BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO
USE THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. IN PARTICULAR, SUPERMICRO SHALL NOT HAVE LIABILITY FOR ANY
HARDWARE, SOFTWARE, OR DATA STORED OR USED WITH THE PRODUCT, INCLUDING THE
COSTS OF REPAIRING, REPLACING, INTEGRATING, INSTALLING OR RECOVERING SUCH
HARDWARE, SOFTWARE, OR DATA.
Any disputes arising between manufacturer and customer shall be governed by the laws of Santa
Clara County in the State of California, USA. The State of California, County of Santa Clara shall
be the exclusive venue for the resolution of any such disputes. Super Micro's total liability for all
claims will not exceed the price paid for the hardware product.
FCC Statement: This equipment has been tested and found to comply with the limits for a Class
A or Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is operated in
industrial environment for Class A device or in residential environment for Class B device. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the manufacturer’s instruction manual, may cause harmful interference with
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case you will be required to correct the interference at your own expense.
California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate
warning applies only to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate
Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate”
WARNING: This product can expose you to chemicals including
lead, known to the State of California to cause cancer and birth
defects or other reproductive harm. For more information, go
to www.P65Warnings.ca.gov.
!
Manual Revision 1.0f
Release Date: May 20, 2021
Unless you request and receive written permission from Super Micro Computer, Inc., you may not
copy any part of this document.
Information in this document is subject to change without notice. Other products and companies
referred to herein are trademarks or registered trademarks of their respective companies or mark
holders.
Copyright © 2021 by Super Micro Computer, Inc.
All rights reserved.
Printed in the United States of America

iii
Preface
Warning! Indicates high voltage may be encountered when performing
a procedure.
Warning! Indicates important information given to prevent equipment/
property damage or personal injury.
Preface
About this Manual
This manual is written for professional system integrators and PC technicians. It
provides information for the installation and use of the SuperServer 2028U-T Series.
Installation and maintenance should be performed by experienced technicians only.
Please refer to the server specications page on our Web site for updates on
supported memory, processors and operating systems (www.supermicro.com).
Notes
For your system to work properly, please follow the links below to download all
necessary drivers/utilities and the user’s manual for your server.
• Supermicro product manuals: https://www.supermicro.com/support/manuals/
• Product drivers and utilities: https://www.supermicro.com/wdl
• Product safety info: https://super-dev/about/policies/safety_information.cfm
If you have any questions, please contact our support team at:
support@supermicro.com
This manual may be periodically updated without notice. Please check the
Supermicro Web site for possible updates to the manual revision level.
Secure Data Deletion
A secure data deletion tool designed to fully erase all data from storage devices
can be found on our website: https://www.supermicro.com/about/policies/disclaimer.
cfm?url=/wftp/utility/Lot9_Secure_Data_Deletion_Utility/
Warnings
Special attention should be given to the following symbols used in this manual.

iv
S SUPER ERVER 2028U-T Series Manual
Contents
Chapter 1 Introduction ..............................................................................1-1
1-1 Overview ......................................................................................................... 1-1
1-2 Serverboard Features ..................................................................................... 1-2
Processors 1-2 ......................................................................................................
Memory 1-2 ...........................................................................................................
Onboard Serial ATA ........................................................................................ 1-2
Rear I/O Ports ................................................................................................. 1-2
Graphics Controller ......................................................................................... 1-2
1-3 Server Chassis Features ................................................................................ 1-3
System Power ................................................................................................. 1-3
Hard Drives ..................................................................................................... 1-3
PCI Expansion Slots ....................................................................................... 1-3
Front Control Panel ......................................................................................... 1-3
Cooling System ............................................................................................... 1-4
NVMe 1-4 ..............................................................................................................
1-4 Contacting Supermicro .................................................................................... 1-5
Chapter 2 Server Installation
2-1 Unpacking the System .................................................................................... 2-1
2-2 Preparing for Setup ......................................................................................... 2-1
Choosing a Setup Location ............................................................................. 2-1
2-3 Warnings and Precautions .............................................................................. 2-2
Rack Precautions ............................................................................................ 2-2
Server Precautions .......................................................................................... 2-2
Rack Mounting Considerations ....................................................................... 2-3
Ambient Operating Temperature ................................................................ 2-3
Reduced Airow ......................................................................................... 2-3
Mechanical Loading ................................................................................... 2-3
Circuit Overloading ..................................................................................... 2-3
Reliable Ground ......................................................................................... 2-3
2-4 Installing the System into a Rack ................................................................. 2-4
Identifying the Sections of the Rack Rails ...................................................... 2-4
Releasing the Inner Rail ................................................................................. 2-5
Installing the Inner Rails on the Chassis ........................................................ 2-6
Installing the Outer Rails onto the Rack ......................................................... 2-7
Sliding the Chassis onto the Rack Rails ......................................................... 2-8
Chapter 3 System Interface ......................................................................3-1
3-1 Overview ........................................................................................................ 3-1

v
Preface
3-2 Control Panel Buttons ..................................................................................... 3-2
3-3 Control Panel LEDs ........................................................................................ 3-2
Overheating 3-3 .....................................................................................................
3-4 Drive Carrier LEDs .......................................................................................... 3-4
3-5 Power Supply LEDs ........................................................................................ 3-4
Chapter 4 Standardized Warning Statements for AC Systems
About Standardized Warning Statements ....................................................... 4-1
Warning Denition ........................................................................................... 4-1
Installation Instructions .................................................................................... 4-4
Circuit Breaker ................................................................................................ 4-5
Power Disconnection Warning ........................................................................ 4-6
Equipment Installation ..................................................................................... 4-8
Restricted Area ................................................................................................ 4-9
Battery Handling ............................................................................................ 4-10
Redundant Power Supplies (if applicable to your system) ........................... 4-12
Backplane Voltage (if applicable to your system) ......................................... 4-13
Comply with Local and National Electrical Codes ........................................ 4-14
Product Disposal ........................................................................................... 4-15
Hot Swap Fan Warning (if applicable to your system) ................................. 4-16
Power Cable and AC Adapter ...................................................................... 4-18
Chapter 5 Advanced Serverboard Setup
5-1 Handling the Serverboard ............................................................................... 5-1
Precautions 5-1 .....................................................................................................
Unpacking 5-1 .......................................................................................................
5-2 Installing the Processor and Heatsink ............................................................ 5-2
Installing an LGA 2011 Processor ................................................................... 5-2
Installing a CPU Heatsink ............................................................................... 5-5
Removing the Heatsink .................................................................................. 5-6
5-3 Connecting Cables .......................................................................................... 5-7
Connecting Data Cables ................................................................................. 5-7
Connecting Power Cables .............................................................................. 5-7
Connecting the Control Panel ......................................................................... 5-7
5-4 I/O Ports .......................................................................................................... 5-8
LAN Ports ........................................................................................................ 5-8
5-5 Installing Memory ............................................................................................ 5-9
Memory Support ............................................................................................ 5-10
Processor and Memory Module Population Conguration ...................... 5-10
Populating DDR4 Memory Modules ......................................................... 5-10

vi
S SUPER ERVER 2028U-T Series Manual
5-6 Serverboard Details .......................................................................................5-11
Serverboard Quick Reference....................................................................... 5-12
5-7 Connector Denitions .................................................................................... 5-14
Power Connectors ....................................................................................... 5-14
Control Panel Connector ............................................................................... 5-14
Other Connectors .......................................................................................... 5-17
5-8 Jumper Settings ............................................................................................ 5-20
5-9 Onboard Indicators ........................................................................................ 5-22
5-10 SATA Ports .................................................................................................... 5-23
5-11 Installing Software ......................................................................................... 5-24
SuperDoctor® 5 ............................................................................................. 5-25
5-12 Onboard Battery ............................................................................................ 5-26
Chapter 6 Advanced Chassis Setup ........................................................6-1
6-1 Static-Sensitive Devices .................................................................................. 6-1
Precautions 6-1 .....................................................................................................
6-2 Control Panel .................................................................................................. 6-2
6-3 Removing the Chassis Cover ......................................................................... 6-3
6-4 Hard Drive Installation ..................................................................................... 6-4
6-5 Adding PCI Expansion Cards ........................................................................ 6-8
6-6 System Fans ..................................................................................................6-11
Replacing a System Fan ................................................................................6-11
Air Shroud ..................................................................................................... 6-12
6-7 Power Supply ................................................................................................ 6-13
Replacing a Power Supply Module ............................................................... 6-13
Chapter 7 BIOS
7-1 Introduction ...................................................................................................... 7-1
Starting BIOS Setup Utility .............................................................................. 7-1
How To Change the Conguration Data ......................................................... 7-1
Starting the Setup Utility ................................................................................. 7-2
7-2 Main Setup ...................................................................................................... 7-2
7-3 Advanced Setup Congurations...................................................................... 7-4
7-4 Event Logs .................................................................................................... 7-25
7-5 IPMI ............................................................................................................... 7-27
7-6 Security ......................................................................................................... 7-29
7-7 Boot ............................................................................................................... 7-30
7-8 Save & Exit ................................................................................................... 7-31
Appendix A BIOS Error Beep Codes ..................................................... A-1
Appendix B System Specications ........................................................ B-1

Chapter 1
Introduction
1-1 Overview
The SuperServer 2028U-T Series is a high-end server comprised of two main
subsystems: the SC219UAC(4)-R1K02 2U server chassis and the X10DRU-i+
dual processor motherboard. Refer to the Supermicro web site for information on
operating systems that have been certied for use with the system (www.supermicro.
com).
2028U-T Series Models
System NVMe BackplaneLAN Ports Ultra Riser Card
2028U-TR4+ no AOC-2UR68-i4G BPN-SAS3-216A Four GbE
2028U-TRT+ Two 10GBase-T no AOC-2UR68-i2XT BPN-SAS3-216A
2028U-TR4T+ no AOC-2UR6-i4XT BPN-SAS3-216A Four 10GBase-T
2028U-TRTP+ no AOC-2UR68-i2XS BPN-SAS3-216ATwo 10G SFP+
2028U-TNRT+ Two 10GBase-T 4 port AOC-2UR8N4-i2XT BPN-SAS3-216A-N4
2028U-TNR4T+ AOC-2URN4-i4XT BPN-SAS3-216A-N4Four 10GBase-T 4 port
In addition to the above components, the server includes:
•Four 8-cm system cooling fans (FAN-0118L4)
•Air shroud MCP-310-82908-0B
•Two passive CPU heatsinks (SNK-P0058PSU)
•Twenty-four hard drive carriers (MCP-220-00047-0B)
•Riser Cards:
One RSC-R1UW-E8R-O-P
One RSC-R2UW-4E8-O-P
•One rackmount rail kit (MCP-290-00053-0N)
Note: For your system to work properly, please follow the links below to download
all necessary drivers/utilities and the user’s manual for your server.
•Supermicro product manuals: http://www.superm
icro.com/support/manuals/
•Product drivers and utilities: https://www.supermicro.com/wdl
•Product safety info:
http://www.supermicro.com/about/policies/safety_information.cfm
For support, email support@supermicro.com.
Chapter 1: Introduction
1-1

1-2
S SUPER ERVER 2028U-T Series User's Manual
1-2 Motherboard Features
At the heart of the SuperServer 2028U-T Series lies the X10DRU-i+, a dual processor
motherboard based on the Intel PCH C612 chipset. Below are the main features of
the motherboard. (See Figure 1-1 for a block diagram of the chipset.)
Processors
The motherboard supports single or dual Intel E5-2600 v3/v4 Series processors in
LGA2011 sockets (Socket R3). Refer to the Supermicro web site for a complete
listing of supported processors (www.supermicro.com).
Memory
The motherboard has 24 memory sockets that can support up to 3 TB of LRDIMM
(Load-Reduced DIMMs) DDR4-2400/2133/1866/1600/1333 memory or 768 GB
of ECC registered DDR4-1600/1333/1066/800 non-volatile RDIMM (Registered
DIMMs). Please refer to Chapter 5 for installing memory.
Onboard Serial ATA
A SATA controller is integrated into the chipset to provide a ten-port SATA
subsystem. Six of the ports are supported by the Intel PCH and four of the ports are
supported by the Intel SCU. The SATA 3.0 ports are connected to the backplane
by default. RAID 0, 1, 5 and 10 are supported by Intel RSTe Software RAID.
Rear I/O Ports
The rear I/O ports include one COM port, a VGA (monitor) port, two USB 3.0 ports
and a dedicated IPMI LAN port. In addition, there are several possible networking
congurations depending on the pre-installed Ultra riser card. See the table in
Section 1-1.
Graphics Controller
The motherboard features an integrated ASpeed 2400 BMC graphics chip.

1-3
Chapter 1: Introduction
1-3 Server Chassis Features
The 2028U-T Series is built upon the SC219UAC-R1K02 chassis or the SC219UAC4-
R1K02 for NVMe models. Details and related procedures can be found in Chapter
6.The following is a general outline of the main features of the chassis.
System Power
The chassis features a redundant 1 KW power supply consisting of two hot-plug
power modules. They have 80 Plus certication at Titanium Level (96%) high-
eciency. The system will continue to operate if one module fails or is replaced.
Hard Drives
The chassis supports up to twenty-four 2.5" hot-swap hard drives. A standard
2028U-T Series server supports ten SATA drives, or for NVMe models, eight SATA
drives and up to four NVMe drives. Expansion cards are required add more drives
up to 24.
PCI Expansion Slots
All 2028U-T Series models include two WIO riser cards that support PCI-Express 3.0
expansion cards—four full size x8 cards and one low prole x8 card. In addition,
each system comes with an Ultra riser card to provide added features including
additional PCI expansion slots. The total number of expansion cards depends on
the model in the 2028U-T Series. See section 6-5 for details.
Front Control Panel
The chassis front control panel provides system monitoring and power control.
Status LEDs indicate system power, HDD activity, network activity, UID, and
overheat and fan failure.
Cooling System
The chassis has an innovative cooling design that features four 8-cm high-
performance fans. Fan speed can be determined by system temperature via IPMI.
Each power supply module also includes a cooling fan.

1-4
S SUPER ERVER 2028U-T Series User's Manual
Figure 1-1. Intel PCH C612 Chipset:
System Block Diagram
Note: This is a general block diagram. Please see Chapter 5 for details.
x8
x8
x8
x8
x8
Port A Port B Port B NCSI Port C Port C
NIC
Port A
0~7
Port B
0~7
Port B
8~15
Port C
0~10
Port C
11~15
Port 0, 1 Port 3
Type A
Rear
A
BD
C
E
F
G
H
#1 #1 #1 #1 #1 #1 #1 #1
#2 #2 #2 #2 #2 #2 #2 #2
#3 #3 #3 #3 #3 #3 #3 #3
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
DDR4 DIMM
x8
x4
x16
x16
PE1 PE2 PE3 PE1 PE2 PE3 QPI1 QPI0
QPI1 QPI0
DMI
DMI
Upper
Upper
Lower
Lower
Processor
Processor
VGA
DDR3 NCSI
LAN
UART
Onboard TPM (Optional)
NVMe
(2028U-TNRT+ and -TNR4T+ models only) The NVM Express ports provide high-
speed, low-latency connections directly from the CPU to NVMe Solid State drives
(SSDs). This greatly increases SSD throughput and signicantly reduces storage
device latency by simplifying driver and software requirements resulting from the
direct PCI-E interface between the CPU and the NVMe SSD drives.

1-5
Chapter 1: Introduction
1-4 Contacting Supermicro
Headquarters
Address: Super Micro Computer, Inc.
980 Rock Ave.
San Jose, CA 95131 U.S.A.
Tel: +1 (408) 503-8000
Fax: +1 (408) 503-8008
Email: marketing@supermicro.com (General Information)
support@supermicro.com (Technical Support)
Web Site: www.supermicro.com
Europe
Address: Super Micro Computer B.V.
Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands
Tel: +31 (0) 73-6400390
Fax: +31 (0) 73-6416525
Email: sales@supermicro.nl (General Information)
support@supermicro.nl (Technical Support)
rma@supermicro.nl (Customer Support)
Web Site: www.supermicro.nl
Asia-Pacic
Address: Super Micro Computer, Inc.
3F, No. 150, Jian 1st Rd.
Zhonghe Dist., New Taipei City 235
Taiwan (R.O.C)
Tel: +886-(2) 8226-3990
Fax: +886-(2) 8226-3992
Email: support@supermicro.com.tw
Web Site: www.supermicro.com.tw

1-6
S SUPER ERVER 2028U-T Series User's Manual
Notes

Chapter 2: Server Installation
2-1
Chapter 2
Server Installation
This chapter provides instructions for preparing and mounting your chassis in a rack.
2-1 Unpacking the System
You should inspect the box the chassis was shipped in and note if it was damaged
in any way. If the chassis itself shows damage, le a damage claim with the carrier
who delivered it.
2-2 Preparing for Setup
Decide on a suitable location for the rack unit that will hold your chassis. It should
be a clean, dust-free area that is well ventilated. Avoid areas where heat, electrical
noise and electromagnetic elds are generated. A nearby grounded power outlet.
is required
The box your chassis was shipped in should include two sets of rail assemblies, two
rail mounting brackets and the mounting screws to mount the system into the rack.
Please read this chapter in its entirety before beginning the installation procedure.
Choosing a Setup Location
• Leave at least 25 inches clearance in front of the rack to open the front door
completely.
• Leave approximately 30 inches of clearance in the back of the rack to allow for
sucient airow and access for servicing.
• It should be a restricted access location, such as a dedicated equipment room
or a service closet.

2-2
S SUPER ERVER 2028U-T Series User's Manual
2-3 Warnings and Precautions
Rack Precautions
• Ensure that the leveling jacks on the bottom of the rack are fully extended to
the oor with the full weight of the rack resting on them.
• In single rack installation, stabilizers should be attached to the rack. In multiple
rack installations, the racks should be coupled together.
• Always make sure the rack is stable before extending a component from the
rack.
• You should extend only one component at a time - extending two or more
simultaneously may cause the rack to become unstable.
Server Precautions
• Review the electrical and general safety precautions in Chapter 4.
• Determine the placement of each component in the rack you install the before
rails.
• Install the heaviest server components on the bottom of the rack rst, and then
work up.
• Use a regulating uninterruptible power supply (UPS) to protect the server from
power surges, voltage spikes and to keep your system operating in case of a
power failure.
• Allow the hot plug SAS drives and power supply modules to cool before touching
them.
• Always keep the rack's front door and all panels and components on the servers
closed when not servicing to maintain proper cooling.

Chapter 2: Server Installation
2-3
Rack Mounting Considerations
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient operating
temperature of the rack environment may be greater than the ambient temperature
of the room. Therefore, consideration should be given to installing the equipment
in an environment compatible with the manufacturer’s maximum rated ambient
temperature (Tmra).
Reduced Airow
Equipment should be mounted into a rack so that the amount of airow required
for safe operation is not compromised.
Mechanical Loading
Equipment should be mounted into a rack so that a hazardous condition does not
arise due to uneven mechanical loading.
Circuit Overloading
Consideration should be given to the connection of the equipment to the power
supply circuitry and the eect that any possible overloading of circuits might have
on overcurrent protection and power supply wiring. Appropriate consideration of
equipment nameplate ratings should be used when addressing this concern.
Reliable Ground
A reliable ground must be maintained at all times. To ensure this, the rack
itself should be grounded. Particular attention should be given to power supply
connections other than the direct connections to the branch circuit (i.e. the use of
power strips, etc.).
Warning! To prevent bodily injury when mounting or servicing this unit in a
rack, you must take special precautions to ensure that the system remains
stable. The following guidelines are provided to ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in
the rack.
• When mounting this unit in a partially lled rack, load the rack from the bottom
to the top with the heaviest component at the bottom of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before
mounting or servicing the unit in the rack.
• Slide rail mounted equipment is not to be used as a shelf or a work space.

2-4
S SUPER ERVER 2028U-T Series User's Manual
2-4 Installing the System into a Rack
This section provides information on installing the server into a rack unit with the
rack rails provided. There are a variety of rack units on the market, so the assembly
procedure may dier slightly. Refer to the installation instructions that came with
your rack. Note: This rail will t a rack between 26.8" and 36.4" deep.
Identifying the Sections of the Rack Rails
The chassis package includes two rail assemblies. Each assembly consists of three
sections: An inner rail that secures directly to the chassis, an outer rail that secures
to the rack, and a middle rail which extends from the outer rail. These assemblies
are specically designed for the left and right side of the chassis.
Figure 6-1. Identifying the Outer Rail, Middle Rai Rail
(Left Rail Assembly Shown)
Inner Rail
Rail Assembly
(Shown with Rails
Retracted)
This Side Faces
Outward
Locking Tab
Middle Rail
Outer Rail

Chapter 2: Server Installation
2-5
Figure 6-2. Extending and Releasing the Inner Rail
Releasing the Inner Rail
Each inner rail has a locking latch. This latch prevents the server from coming
completely out of the rack when when the chassis is pulled out for servicing.
To mount the rail onto the chassis, rst release the inner rail from the outer rails.
Releasing Inner Rail from the Outer Rails
1. Pull the inner rail out of the outer rail until it is fully extended as illustrated below.
2. Press the locking tab down to release the inner rail.
3. Pull the inner rail all the way out.
4. Repeat for the other outer rail.
1
1
1
2
1
3

2-6
S SUPER ERVER 2028U-T Series User's Manual
1
3
1
4
1
4
Inner Rails
Figure 6-3. Installing the Inner Rails
Installing the Inner Rails on the Chassis
Installing the Inner Rails
1. Identify the left and right inner rails. They are labeled.
2. Place the inner rail rmly against the side of the chassis, aligning the hooks on
the side of the chassis with the holes in the inner rail.
3. Slide the inner rail forward toward the front of the chassis until the quick release
bracket snaps into place, securing the rail to the chassis.
4. Optionally, you can further secure the inner rail to the chassis with a screw.
5. Repeat for the other inner rail.
Figure 6-4. Inner Rails Installed on the Chassis

Chapter 2: Server Installation
2-7
Figure 6-5. Extending and Mounting the Outer Rails
1
1
1
2
1
3
1
4
Installing the Outer Rails onto the Rack
Installing the Outer Rails
1. Press upward on the locking tab at the rear end of the middle rail.
2. Push the middle rail back into the outer rail.
3. Hang the hooks on the front of the outer rail onto the square holes on the front
of the rack. If desired, use screws to secure the outer rails to the rack.
4. Pull out the rear of the outer rail, adjusting the length until it just ts within the
posts of the rack.
5. Hang the hooks of the rear section of the outer rail onto the square holes on the
rear of the rack. Take care that the proper holes are used so the rails are level.
If desired, use screws to secure the rear of the outer rail to the rear of the rack.
6. Repeat for the other outer rail.
Stability hazard. The rack stabilizing mechanism must be in place, or the rack
must be bolted to the oor before you slide the unit out for servicing. Failure to
stabilize the rack can cause the rack to tip over.
Do not use a two post "telco" type rack.

3-1
<Chapter 3: System Interface>
Chapter 3
System Interface
3-1 Overview
The chassis includes:
• Control panels on the front that include power buttons and status monitoring
lights
• Status lights on externally accessable hard drives
• Status lights for the power supply
The control panel is located on the front, outside edge of the chassis.
Figure 4-1. Control Panel

SuperServer 2028U-T Series User's Manual
3-2
3-3 Control Panel LEDs
There are six LEDs that provide status information about the system.
Power: The main power switch is used to apply or remove power from the power
supply to the server. Turning o system power with this button removes the main
power but maintains standby power. To perform many maintenance tasks, you must
unplug system before servicing.
Reset: The reset button is used to reboot the system.
NIC2: Indicates network activity on GLAN2 when ashing.
Information LED: Alerts operator of several states, as noted in the table below.
Information LED
Status Description
Continuously on and red An overheat condition has occured.
(This may be caused by cable congestion.)
Blinking red (1Hz) Fan failure, check for an inoperative fan.
Blinking red (0.25Hz) Power failure, check for a non-operational power supply.
Solid blue UID has been activated locally to locate the server in a rack
environment.
Blinking blue UID has been activated using IPMI to locate the server in a
rack environment.
3-2 Control Panel Buttons
The chassis includes two push-buttons that control power to the system.

3-3
<Chapter 3: System Interface>
Power: Indicates power is being supplied to the system power supply units. This
LED should normally be illuminated when the system is operating.
HDD: Indicates IDE channel activity on the hard drive when ashing.
NIC1: Indicates network activity on GLAN1 when ashing.
Overheating
There are several possible responses if the system overheats.
Overheat Temperature Setting
Some backplanes allow the overheat temperature to be set at 45, 50, or 55 degrees
by changing a jumper setting. For more information, consult the backplane user
manual on the Supermicro website.
Responses
If the server overheats
1. Use the LEDs to determine the nature of the overheating condition.
2. Conrm that the chassis covers are installed properly.
Power Fail: Indicates a power supply module has failed.
!

SuperServer 2028U-T Series User's Manual
3-4
3. Check the routing of the cables and make sure all fans are present and operat-
ing normally.
4. Verify that the heatsinks are installed properly.
3-4 Drive Carrier LEDs
The chassis includes externally accessible SAS/SATA/NVMe drives. Each drive
carrier displays two status LEDs on the front of the carrier.
LED Color Blinking Pattern Behavior for Device
Activity LED Blue Solid On SAS/NVMe drive installed
Blue Blinking I/O activity
Status LED Red Solid On Failed drive for SAS/SATA/NVMe
with RSTe support
Red Blinking at 1 Hz Rebuild drive for SAS/SATA/
NVMe with RSTe support
Red Blinking with two
blinks and one stop
at 1 Hz
Hot spare for SAS/SATA/NVMe
with RSTe support
Red On for ve
seconds, then o
Power on for SAS/SATA/NVMe
with RSTe support
Red Blinking at 4 Hz Identify drive for SAS/SATA/
NVMe with RSTe support
Green Solid On Safe to remove NVMe device
Amber Blinking at 1 Hz Attention state—do not remove
NVMe device
3-5 Power Supply LEDs
On the rear of the power supply module, an LED displays the status.
• Solid Green: When illuminated, indicates that the power supply is on.
• Blinking Green: When blinking, indicates that the power supply is plugged in
and turned o by the system.
• Blinking Amber: When blinking, indicates that the power supply has a warn-
ing condition and continues to operate.
• Solid Amber: When illuminated, indicates that the power supply is plugged
in and in an abnormal state. The server system might need service. Please
contact Supermicro technical support.

4-1
Chapter 4: Warning Statements for AC Systems
Chapter 4
Standardized Warning Statements for AC Systems
About Standardized Warning Statements
The following statements are industry standard warnings, provided to warn the user
of situations which have the potential for bodily injury. Should you have questions
or experience difficulty, contact Supermicro's Technical Support department
for assistance. Only certied technicians should attempt to install or congure
components.
Read this chapter in its entirety before installing or conguring components in the
Supermicro chassis. Some warnings may not apply for your system.
These warnings may also be found on our web site at www.supermicro.com/about/
policies/safety_information.cfm.
Warning!
This warning symbol means danger. You are in a situation that could cause bodily
injury. Before you work on any equipment, be aware of the hazards involved with
electrical circuitry and be familiar with standard practices for preventing accidents.
Warning Denition
警告の定義
この警告サインは危険を意味します。
人身事故につながる可能性がありますので、いずれの機器でも動作させる前に、
電気回路に含まれる危険性に注意して、標準的な事故防止策に精通して下さい。
此警告符号代表危险。
您正处于可能受到严重伤害的工作环境中。在您使用设备开始工作之前,必须充分意
识到触电的危险,并熟练掌握防止事故发生的标准工作程序。请根据每项警告结尾的
声明号码找到此设备的安全性警告说明的翻译文本。
此警告符號代表危險。
您正處於可能身體可能會受損傷的工作環境中。在您使用任何設備之前,請注意觸電
的危險,並且要熟悉預防事故發生的標準工作程序。請依照每一注意事項後的號碼找
到相關的翻譯說明內容。

4-2
SUPERSERVER 2028U-T Series User's Manual
Warnung
WICHTIGE SICHERHEITSHINWEISE
Dieses Warnsymbol bedeutet Gefahr. Sie benden sich in einer Situation, die zu
Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den
Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung
vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen
Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten
Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.
BEWAHREN SIE DIESE HINWEISE GUT AUF.
INSTRUCCIONES IMPORTANTES DE SEGURIDAD
Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes
de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y
familiarícese con los procedimientos estándar de prevención de accidentes. Al
nal de cada advertencia encontrará el número que le ayudará a encontrar el texto
traducido en el apartado de traducciones que acompaña a este dispositivo.
GUARDE ESTAS INSTRUCCIONES.
IMPORTANTES INFORMATIONS DE SÉCURITÉ
Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une
situation pouvant entraîner des blessures ou des dommages corporels. Avant
de travailler sur un équipement, soyez conscient des dangers liés aux circuits
électriques et familiarisez-vous avec les procédures couramment utilisées pour
éviter les accidents. Pour prendre connaissance des traductions des avertissements
gurant dans les consignes de sécurité traduites qui accompagnent cet appareil,
référez-vous au numéro de l'instruction situé à la n de chaque avertissement.
CONSERVEZ CES INFORMATIONS.
ן
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ןה תואבה תורהצהא ינפמ שמתשמה תא ריהזהל תנמ לע ,היישעתה ינקת יפ לע תורהז הלבח
ה וא תולאש שיו הדימב .תירשפא תיזיפי ,יהשלכ היעבב תולקתרוציל שי הכימת תקלחמ םע רשק
רידגהל וא ןיקתהל םיאשר דבלב םיכמסומ םיאנכט .ורקימרפוס לש תינכט תאה .םיביכר
אורקל שי .ורקימרפוס יזראמב םיביכרה תרדגה וא תנקתה ינפל ואולמב חפסנה תא

4-3
Chapter 4: Warning Statements for AC Systems
4-3
안전을 위한 주의사항
경고!
이 경고 기호는 위험이 있음을 알려 줍니다. 작업자의 신체에 부상을 야기 할 수
있는 상태에 있게 됩니다. 모든 장비에 대한 작업을 수행하기 전에 전기회로와
관련된 위험요소들을 확인하시고 사전에 사고를 방지할 수 있도록 표준
작업절차를 준수해 주시기 바랍니다.
해당 번역문을 찾기 위해 각 경고의 마지막 부분에 제공된 경고문 번호를
참조하십시오
BELANGRIJKE VEILIGHEIDSINSTRUCTIES
Dit waarschuwings symbool betekent gevaar. U verkeert in een situatie die
lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken,
dient u zich bewust te zijn van de bij een elektrische installatie betrokken risico's
en dient u op de hoogte te zijn van de standaard procedures om ongelukken te
voorkomen. Gebruik de nummers aan het eind van elke waarschuwing om deze te
herleiden naar de desbetreende locatie.
BEWAAR DEZE INSTRUCTIES
. !

4-4
SUPERSERVER 2028U-T Series User's Manual
Installation Instructions
Warning!
Read the installation instructions before connecting the system to the power source.
Warnung
Vor dem Anschließen des Systems an die Stromquelle die Installationsanweisungen
lesen.
¡Advertencia!
Lea las instrucciones de instalación antes de conectar el sistema a la red de
alimentación.
Attention
Avant de brancher le système sur la source d'alimentation, consulter les directives
d'installation.
設置手順書
システムを電源に接続する前に、設置手順書をお読み下さい。
אורקל שי רוקמל תכרעמה רוביח ינפל הנקתה תוארוה תאחתמ.
시스템을 전원에 연결하기 전에 설치 안내를 읽어주십시오.
Waarschuwing
Raadpleeg de installatie-instructies voordat u het systeem op de voedingsbron
aansluit.
警告
将此系统连接电源前,请先阅读安装说明。
警告
將系統與電源連接前,請先閱讀安裝說明。
Product specificaties
Merk: | Supermicro |
Categorie: | Server |
Model: | SuperServer 2028U-TRTP+ |
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