Protecting Your
Digital Assets
™
CRU® User Manual
RAX® 3QR
Features
• Disksetupisnear-instantaneousandiscapableofJBOD,RAID0and1diskmodes.
• TrayFreeModels(RAX210-3QR)allowforeasyinsertionandremovalofharddrives.
Models with removable carriers (RAX211-3QR) enclose and protect hard drives
whenremovedfromtheRAXunit.
• eSATA,FireWire800,USB2.0,andUSB3.0connectionsareprovidedforwidevariety
ofconnectivity.
• Specially designed drive and carrier interfaces are built to withstand tens of
thousandsofinsertions.
• Ruggedall-metalconstructionforsuperiordurability.
A9-210-0012 Revision 1.0
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Table of Contents
1. Pre-Installation Steps
1. Pre-Installation Steps 2
1.1 Box Contents 2
1.2 Identifying Parts of your RAX800-TR 2
1.3 Warnings and Notices 2
2. Introduction to RAID 3
2.1 Summary of RAID Levels 3
3. Installation Steps 3
3.1 Installing Hard Drives 3
3.2 Host Connections 3
3.3 Operating Your RAX 3QR Unit 3
4. LED Behavior 4
5. LCD Menu Screens 4
6. RAID Conguration 4
6.1 Creating a New RAID 4
6.2 Changing the RAID Type 5
6.3 Adding a New Drive to a RAID 5
7. Usage with Mac and Windows Operating
Systems
7.1 Usage with Mac OS X 5
7.1.1 Formatting a Drive 5
7.1.2 Mounting and Unmounting Volumes 5
7.1.3 Creating a Boot Drive 5
7.2 Usage with Windows Operating Systems 6
7.2.1 Formatting a Drive 6
7.2.2 Mounting and Unmounting Volumes 6
8. Buzzer and Temperature Conguration 7
8.1 Accessing the RAX 3QR Unit’s Settings 7
8.2 Customizable Options 7
9. RAID Is Not A Backup 8
10. Rack Mounting Warnings 8
11. Frequently Asked Questions 8
12. Technical Specications 10
1.1 Box Contents
The following list contains the items that are included
in the complete conguration for this device. Please
contact CRU if any items are missing or damaged:
Accessories Quantity
RAX 3QR Unit 1
Power Cord 1
Key Set 1
Screw Kit 1
Quick Start Guide 1
1.2 Identifying Parts of your RAX 3QR Enclosure
Navigation
Buttons
Drive
Activity LED
Drive
Power LED
5
Bay
Keylock
Unit
Power
LED
System
LED
RAID
LED
1.3 Warnings and Notices
Please read the following before beginning installation.
General Care
• Proper grounding is strongly recommended to
prevent electrical damage to the unit or other
connected devices, including the computer host.
Avoid all dramatic movement, tapping on the unit,
and vibration.
• Avoid placing the unit close to magnetic devices,
high voltage devices, or near a heat source. This
includes any place where the product will be
subject to direct sunlight. Do NOT allow water to
make contact with the unit.
• Before starting any type of hardware installation,
please ensure that all power switches have
been turned off and all power cords have been
disconnected to prevent personal injury and
damage to the hardware.
• To avoid overheating, the unit should be operated
in a well-ventilated area.
• Remove the drives before transporting the unit to
prevent damage to the drive interfaces.
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RAID
• Use only hard drives that are in perfect condition.
Avoid using drives that have ever developed bad
sectors during previous usage. This could lead to
possible device failure or loss of data.
• The unit supports SATA hard drives of various
specications and different capacities. However,
we recommend using drives of the same brand and
type for optimal performance. If drives of different
capacities are used in a RAID, the capacity of the
smallest drive will determine how much of each drive
is used. The additional capacity on the larger drives
will not be used by the RAID.
3 Installation Steps
3.1 Installing Hard Drives
3.1.1 TrayFree™ Bay Drive Installation
NOTE: This subsection refers only to the RAX210-
3QR unit.
a. Pull on the ejection handle to open the door.
b. Slide in your SATA hard drive, connector-end rst
with the label facing up.
c. Shut the door by pushing on the handle.
• RAID level 0 will allow you to use the full combined
capacity of the drives, and offers the best data transfer
speeds. However, RAID 0 offers no protection for the
data. If one drive fails in a RAID 0, the data on all of
the drives is irretrievably lost. Before creating a RAID,
investigate the various RAID types and choose the
one that is best for your needs.
• Always back up data before switching RAID types.
Switching RAID types will destroy current
data. You must reformat your drives afterwards.
2 Introduction to RAID
A RAID (Redundant Array of Independent Disks) is an array of
multiple hard drives that are combined in a way that provides
faster performance and/or data safety. Your RAX 3QR unit is
capable of creating and managing several different varieties
of RAID. You may choose your preferred RAID level based on
factors such as disk capacity, desired data safety, and desired
performance.
2.1 Summary of RAID Levels
RAX 3QR units support JBOD and RAID Levels 0 and 1.
RAID Level 1 is used by those seeking data safety.
3.1.2 Drive Installation for RAX with Removable Carriers
NOTE: This subsection refers only to the RAX211-
3QR unit.
a. Slide the drive carrier out of the RAX 3QR unit.
b. The carrier’s cover is held in place by a screw on the
rear of the unit. Remove the screw and then remove
the cover.
c. Slide the drive in from the front of the carrier.
d. Mate the connection on the drive with the connection
on the drive carrier circuit board.
e. Flip the drive/carrier assembly over and secure the
drive in place with the provided screws.
f. Attach the Temperature Control Cooling Sensor to
the top of the drive with a piece of tape.
g. Replace the carrier cover and secure the screw on
the rear of the carrier.
RAID
Level
JBOD
0
1
Description
Known as “Just a Bunch Of Disks”.
This is not a type of RAID as each
disk is created with its own independent volume. There is no data
protection.
Also known as striping. Data distributed across all drives in the ar-
ray. There is no data protection.
Also known as mirroring. All data
replicated on two separate disks.
Due to the 100% duplication, only
half the total disk capacity is avail-
able for data storage.
Required
No. of
Drives*
1
2
2 1 drive
Fault
Tolerance
No data
protection
No data
protection
h. Slide the carrier into the RAX 3QR unit.
3.2 Host Connections
RAX 3QR units connect to your computer in one of four
ways; USB 3.0, USB 2.0, Firewire 800, or eSATA. Choose
one of the four cable types to use and plug it into the unit.
Each bay requires its own data connection.
3.3 Operating Your RAX 3QR unit
Connect the data cables to the RAX 3QR unit and your
computer. Plug in the power cord to a grounded electrical
outlet. Insert hard drives into the unit and turn on the power.
• For the RAX210, the drives will begin to spin up
automatically.
• For the RAX211, use the included set of keys to turn
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the key 90 degrees clockwise to power on each hard
drive.
NOTE: When any hard drives are rst used with a
RAX 3QR unit they will show up as blank, unallocated
drives and you’ll need to create a RAID inside the
unit before you can use it. Note that creating a
RAID will erase all data on the drive, so be
sure to back up your data before beginning this
operation.
Your RAX 3QR unit is now ready to use! If the hard drive
is already formatted, it can be used right away. If the
hard drives are brand new, or their le systems are not
compatible with your operating system, the drive will
need to be formatted before being used. See Section 7 for
formatting instructions.
NOTE: If any of the drives are inaccessible after
powering on the unit, try the following steps:
1. Turn off the power.
2. Remove the drive(s) in question.
3. Reinsert the drive(s).
4. Turn on the power.
4 LED Behavior
4.1 RAX210-3QR
LED
Name
Unit Power Green Solid RAX 3QR unit is powered on
System
RAID
Bay Power Blue Solid Bay is powered on
Bay Access Pink
4.2 RAX211-3QR
LED
Name
Unit Power Green Solid RAX 3QR unit is powered on
System
Color State Description
Green Solid System is performing as expected
Amber Solid
Red Solid
Green Solid RAID is performing as expected
Amber Solid RAID is degraded or is being rebuilt
Red Solid RAID has failed or is invalid
Inter-
mittent
Color State Description
Green Solid System is performing as expected
Amber Solid
Red Solid
Drive has reached the preset warning temperature
Fan has stopped rotating or the
drive has reached the preset alarm
temperature
Flashes when the drive inside is
being accessed
Drive has reached the preset warn-
ing temperature
Fan has stopped rotating or the
drive has reached the preset alarm
temperature
Green Solid RAID is performing as expected
RAID
Drive
Power
Drive
Activity
Amber Solid RAID is degraded or is being rebuilt
Red Solid RAID has failed or is invalid
Green
Pink
Solid Bay is powered on
Flashing Indicates a bay fan failure
Inter-
mittent
Flashes when the drive inside is
being accessed
5 LCD Menu Screens
Screen Description
Mode Shows the RAID level used.
Status
Disk#
Disk#
Temp
Sys Temp Displays the overall temperature inside the system
Fan Status
Change
RAID Mode
Indicates the overall health of the RAID. Available status
messages are “Normal” and “Degraded”.
Indicates the status of the individual disk in the numbered
bay:
• OK: Indicates that the hard drive is in use or ready to
use
• No Disk: Indicates taht the ahrd drive was removed or
not installed
• Unused: A new drive was installed and is not used by
the RAID.
• Failing: Indicates the drive is malfunctioning. Possible
causes of a failure message include an inability to
recognize the drive, a compatibility problem, or dam-
aged sectors.
Displays temperature of the individual disk in the numbered slot.
Indicates whether the fan is operating normally or has
failed and is in need of a replacement. Contact Technical
Support if the fan has failed to arrange for a repair.
Allows you to change the RAID level (See Section 6.2).
6 RAID Conguration
Use the LCD and menu selection buttons to complete these
steps. Changing RAID levels will erase any data on the
drives. Make a backup copy of any data you wish to
keep before changing the RAID.
6.1 Creating a New RAID
a. Disconnect the RAX 3QR unit from the computer.
b. Insert two hard drives (preferably both the same make,
model, and capacity) into the RAX 3QR unit and ip the
power switch on the rear of the unit.
c. After the RAX 3QR unit boots up, it will begin alarming
and the LCD will display the error “Error: Not a RAID
Set”. Press the Enter button to silence the alarm.
d. Press the Enter button a second time and the LCD
screen will ask “Make New RAID?” Press Enter to
conrm.
e. The LCD will display “Select RAID Type”. Press Up or
Down to cycle through to your desired RAID type and
press Enter.
f. The screen will display “Will Erase all Data OK?”
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Pressing Enter will result in the loss of all data
on the drives. Ensure all data is backed up, then
press Enter.
g. The new conguration will be selected and the RAX
3QR unit will reboot. The RAID is now created.
7 Usage with Mac and Windows Operating
Systems
7.1 Usage with Mac OS X
7.1.1 Formatting a Drive
To format, use Disk Utility (pictured below), which can be
found in the Applications folder.
6.2 Changing the RAID Type
a. Disconnect the RAX 3QR unit from the computer.
b. Press the Up button to cycle the LCD menu to the
“Change RAID Mode” screen and press the Enter
button.
c. The LCD will display “Select RAID Type”. Press Up or
Down to cycle through the available options to your
desired RAID type and press Enter.
d. The screen will display “Will Erase all Data OK?”
Pressing Enter will result in the loss of all data
on the drives. Ensure all data is backed up, then
press Enter.
e. The new conguration will be selected and the RAX
3QR unit will reboot. The RAID is now created.
The RAX 3QR unit has been congured and is ready for
operation. Follow the instructions for the appropriate
operating system usage instructions to initialize and format
the drives.
a. Click on the drive in the window to the left.
b. Click the Erase tab in the window to the right.
c. Select the format type. Most users prefer Mac OS
Extended with Journaling (HFS+), which is
required for compatibility with Time Machine (OS
10.5 or newer). If you need to use your RAX 3QR unit
with both Mac and Windows computers, select MS-
DOS File System instead.
d. Enter a name for the new volume and then click
Erase to start the process.
6.3 Adding a New Drive to a RAID
NOTE: Any data on the new hard drive will be
destroyed when the drive is added to the RAID
RAID 0
Never remove a drive from a RAID 0 as this will cause the
loss of all data. In the event of a disk failure for a RAID 0, the
RAID will be destroyed. Add a drive and then press the Up
button to create a new RAID. Follow the display prompts to
build a new array.
RAID 1
In the event of a disk failure or removal, the RAID will
continue to function in a degraded state. Add a new disk to
the RAX 3QR unit to rebuild the RAID. After the new drive
has been detected, the RAX 3QR unit will ask to add a new
disk. Press the Enter button to do so. The disk will be added
to the RAID and the RAID will begin to rebuild. The LCD
screen will display the percent complete for the rebuild.
Rebuild times vary, but a 1TB hard drive typically takes just
over 3 hours to rebuild. You can toggle to the approximate
time remaining by pressing Enter on the front panel.
7.1.2 Mounting and Unmounting Volumes
If the hard drive installed in the RAX 3QR unit is already
formatted, an icon representing the drive’s volume will
appear (mount) on the desktop. You can begin using
the volume right away. If the drive is unformatted, a
message will appear on the desktop saying that the disk
is unreadable. Use OS X’s Disk Utility to easily format the
drive (see section above).
Unmount the volume before
powering down the unit by
dragging the volume’s icon to the
Trash, or by selecting the volume
then pressing Command-E.
Disconnecting the unit without
rst unmounting the volume can
result in data loss.
7.1.3 Creating a Boot Drive
To activate this feature, you must rst install OS X on the
hard drive in your carrier. The easiest way to do this is
to clone an existing system drive using a utility such as
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Carbon Copy Cloner or Super Duper. Next, go to System
Preferences → Startup Disk. A window will list the
available bootable volumes. Select the volume from
which you wish to boot. Another method is to hold down
the Option key during boot up. A screen should appear
that allows you to select the volume you wish to use. This
is useful if you are only sporadically booting from the RAX
3QR unit hard drive.
7.2 Usage with Windows Operating Systems
7.2.1 Formatting a Drive
When you rst mount a drive to a Windows operating
system, a pop-up window will ask you if you would like
to format it. Click Format Disk and skip to Step E. If the
prompt does not pop up, use the Disk Management utility
by following these steps:
a. Right-click on the My Computer icon on the
desktop (Windows XP) or the Computer button in
the Start Menu (Windows Vista, 7, Server 2008 and
2012 product families), then select Manage. In the
left pane of the Computer Management window that
opens, left-click on Disk Management (labeled
‘A’ in the picture below). For Windows 8.1, press
WINKEY + X, then select Disk Management from
the menu that pops up.
b. The drive should appear in the list of Disks in the
lower pane. You may need to scroll down to see it.
If the drive is already formatted, you can identify it
easily by its volume name. If the Device Properties
Box (labeled ‘B’ in the picture below) says “Not
Initialized”, you’ll need to initialize the disk before
formatting it.
Right-click on the Device Properties Box and
select Initialize Disk. If you are prompted to select
a partition type, select GPT. Only select MBR if you
are formatting a bootable disk for use on a system
with a legacy BIOS or are using the RAX 3QR unit
with Windows XP.
c. To format the volume, right-click the Drive
Properties Box (labeled ‘C’ in the picture below)
and select New Partition… (Windows XP) or New
Simple Volume... (Windows Vista, 7, 8.1, Server
2008 and 2012 product families).
d. Unless you wish to customize the settings in these
dialog prompts, click Next on the Select Partition
Type (shows up in Windows XP only), Specify
Volume/Partition Size, and Assign Drive Letter or
Path dialog prompts, leaving the default settings.
e. You will now see a window that allows selection of a
le system. Choose NTFS and enter a name for the
new volume. Be sure to check the box labeled Quick
Format, which will ensure that the formatting
process takes less than a minute.
f. Click Next and then Finish to start the format
process. When the format is complete, the Drive
Properties Box will update to show the new volume
name. The new volume can now be found by double-
clicking on the My Computer icon on the desktop
(Windows XP), by clicking on the Computer button
in the Start Menu (Windows Vista, 7, Server 2008
product family), by clicking on Computer in the
navigation pane of a File Explorer window (Windows
Server 2012), or by opening a File Explorer window
(Windows 8.1, Server 2012 R2).
7.2.2 Mounting and Unmounting Volumes
If the hard drive inside of the RAX 3QR unit are already
formatted, you can begin using the volume right away.
When the RAX 3QR unit is properly connected and
turned on, a window may open to allow you access to the
volume. If no window appears, nd the volume by double-
clicking on the My Computer icon on the desktop
(Windows XP), by clicking the Computer button in
the Start Menu (Windows Vista, 7, Server 2008 product
family), by clicking on Computer in the navigation pane
of a File Explorer window (Windows Server 2012), or by
opening a File Explorer window (Windows 8.1, Server
2012 R2).
Unmounting a USB or Firewire Volume
Unmount the RAX 3QR unit before powering it down
by left-clicking the green arrow icon on the task bar
(in Windows XP) or the USB plug icon with the green
checkmark on the Desktop task bar (Windows Vista, 7,
8.1, Server 2008 and 2012 product families), and then
selecting the proper device from the menu that pops
up. You may have to click on the Show Hidden Icons
arrow on the task bar to nd the correct icon. Windows
will indicate when it is safe to disconnect the RAX 3QR
unit. Disconnecting the RAX 3QR unit without rst
ejecting it can result in data loss.
Unmounting an eSATA Volume
If you purchased an eSATA host card that supports
hot-swapping, follow the instructions for unmounting a
USB or FireWire volume above. Many eSATA hosts do
not support this feature. However, freeware utilities are
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available on the Internet that provide a similar function.
You may download one of these utilities or follow these
instructions: Ensure no le transfers are taking place by
making sure the Bay Access/Drive Activity LEDs are not
blinking, as disconnecting the unit while a le transfer
is in progress can result in data loss. Then disconnect
power to the RAX 3QR unit. You may need to restart your
computer in order to remount the RAX 3QR unit.
8 Buzzer and Temperature Conguration
The RAX 3QR unit is compatible with CRU Congurator 3.5
or higher, which allows IT administrators to change internal
settings to meet individual needs. Congurator allows the
user to set the password, enable and disable audible alarms,
and change temperature alarms and warnings settings. To
download Congurator and the full Congurator manual,
visit cru-inc.com/support/software-downloads/congurator-
software-download/.
8.1 Accessing the RAX 3QR Unit’s Settings
Connect a FireWire 800 cable to either FireWire port or use
a USB Type A-to-A cable (both cables sold separately) in
the USB/eSATA combo port. Then open Congurator.
8.2 Customizable Options
Conguration PIN
This feature allows you to set a PIN to prevent unauthorized
conguration. The default PIN is 0000. The RAX 3QR unit
only requires you to enter a PIN if a different value has been
set.
Buzzers
Place a check in the boxes to indicate which warning/alarm
buzzers you want to be activated or remove a check from
the boxes next to the buzzers you want to deactivate. When
a buzzer sounds, press Enter on the front of the RAX 3QR
unit to temporarily silence it until the RAX 3QR unit is next
rebooted.
System Warning Buzzer
This buzzer will sound when a drive reaches the temperature
set using the Drive temperature warning slider below. This
buzzer is disabled by default. As a visual alert, the System
Status LED will glow amber when the temperature is
reached, regardless of whether the buzzer is enabled or not.
System Alarm Buzzer
This buzzer will sound on 3 occasions:
• When a drive reaches the temperature set using the
Drive temperature alarm slider below
• When the unit reaches the temperature set using the
unit temperature warning slider below
• When the fan fails
As a visual alert, the System LED on your RAX 3QR unit
will glow red when any of these three situations occur,
regardless of whether the buzzer is enabled or not.
RAID Warning Buzzer
This buzzer will sound when the RAX 3QR unit is in
degraded RAID mode (a drive has failed and is in need of
rebuild or the RAID is rebuilding). This buzzer is disabled
by default. The RAID LED will glow amber if this occurs,
regardless of whether the buzzer is enabled or not.
RAID Alarm Buzzer
This buzzer will sound when the RAID has failed or is invalid.
The RAID LED will glow red if this occurs, regardless of
whether the buzzer is enabled or not.
Temperature Sliders
When your RAX 3QR unit reaches a certain temperature,
buzzers will sound if they are enabled (see the Buzzers
subsection above) and the fan will kick on. You may want
to change these default temperatures according to your
environment. With these sliders, you can change the default
temperatures of the following features:
• Unit fan kick-on
• Unit temperature warning
The following options are available on the Alerts tab of the
Congurator:
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• Drive temperature warning
• Drive temperature alarm
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9 RAID Is Not A Backup
Because your RAX 3QR unit features redundant RAID modes
which protect against a hard drive mechanical failure, it is an
excellent part of any backup strategy. However, a RAID is not,
in itself, a backup strategy. Many things besides hard drive
failure can damage or erase your data:
• Corruption caused by unexpected disconnection during
data access (e.g. a cable is unplugged during a data
transfer, or the computer crashes or loses power while
writing to the drives)
• Corruption or destruction caused by viruses or other
malware
• Sabotage by a disgruntled employee or acquaintance
• Theft of your RAX 3QR unit
• Natural disasters such as re, ooding, etc.
Considering these possibilities, any single copy of your
important data must always be considered at risk. That’s why
backing up is so important. Follow the 3-2-1 backup rule. Data
should exist in three different places on two different storage
media and at least one of those copies should be maintained
offsite.
Without an effective backup strategy, recovering data may
be impossible, or the cost of data recovery may be quite
expensive. The CRU warranty does not cover costs associated
with data loss (nor do the warranties of other data storage
manufacturers).
Plan accordingly and backup data to minimize downtime!
10 Rack Mounting Warnings
Elevated Operating Ambient Temperature: The operating
ambient temperature of the rack environment may be greater
than the room ambient temperature if the unit is installed in
a closed or multi-unit rack assembly. Install the equipment
in an environment compatible with the maximum ambient
temperature of 40° C.
Reduced Air Flow: Do not block or inhibit the air ow required
for safe operation of the unit.
11 Frequently Asked Questions
Q: Can I hot-swap drives with this product?
A: RAX 3QR units support hot-swapping over USB and
FireWire connections. If the eSATA/SATA host supports
this feature, the drives can be hot-swapped via eSATA.
Third-party host cards may or may not support this
feature. Motherboard SATA connections often do
not support hot swapping, so a discreet host card is
recommended.
Q: I’ve attached my unit and can see the volume, but it
shows up twice. Which one is real?
A: If you are seeing your volume mounted twice, chances
are the product is connected to the computer using
both the eSATA and FireWire connections. When this is
the case, the OS may attempt to mount the unit twice,
resulting in two volumes appearing. Simply turn off the
unit and unplug one of the connections to resolve the
problem.
Q: Why does my eSATA device appear as a Parallel SCSI
device in Mac OS System Proler?
A: The “Serial ATA” tab in System Proler shows devices
attached to the internal SATA bus, but not always
devices attached to an eSATA host card. Sometimes
these devices will appear under the heading “Parallel
SCSI” instead. This is entirely normal and does not
indicate a problem with the device or its drivers.
Q: Why is my hard drive experiencing data corruption?
A: Many things can cause data corruption on hard drives,
whether they are inside your computer or inside an
external storage product. Malicious software, OS bugs,
failure to properly disconnect external devices, or for no
apparent reason at all. Data corruption or loss is therefore
not covered by warranty.
The rst thing to try is to restart both the computer
and the external device. If the data is still corrupted, try
running built-in OS utilities on the hard drive (such as
Mac OS X’s Disk Utility First Aid or Windows’ Check
Disk tool with the setting “Scan for and attempt recovery
of bad sectors” enabled).
Mechanical Loading: Ensure that the unit is secure and level
in the rack.
Circuit Overloading: Do not overload the circuits. Refer to the
name plate ratings on the equipment.
Reliable Grounding: Maintain reliable grounding of rackmounted equipment by using indirect connections to the
branch circuit (i.e. UPS battery backups, power strips).
If the OS utility doesn’t help, you may need data recovery
software. However, if there is a true hardware failure of
your hard drive that prevents it from communicating
with your computer, there is no software solution in
existence that can x this problem.
Q: Why won’t the computer let me eject or unmount my
drive?
A: There may be a software application running in the
Removing the Cover: Turn off and unplug the unit before
removing the cover.
background with an active link to the drive. Sometimes,
you may see a message such as “The disk is in use and
could not be ejected. Try quitting applications and try
again.”
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This is not a defect or issue caused by the RAX 3QR unit.
Try invoking the Force Quit feature in OS X to see what
software may be running. For Window, the equivalent
command is CTRL+SHIFT+ESC.
Drives connected to the computer via eSATA cannot
be ejected in Windows the way FireWire drives can.
However, freeware utilities are available on the Internet
that provide a similar function.
11.1 Contacting Technical Support
Still need help? Please contact our Technical Support team
through cru-inc.com/support. Call us toll free at (800) 2609800 or directly at (360) 816-1800.
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12 Technical Specications
Product Models RAX210-3QR, RAX211-3QR
Interface Types
& Speeds
Drive Types
Supported
Data Connectors
RAID Levels JBOD, 0, 1
Operating
System
Requirements
Compliance
Unit Weight 15 pounds
Shipping
Weights
Product
Dimensions
Technical
Support
© 2014 CRU Acquisition Group LLC, ALL RIGHTS RESERVED. RAX® and CRU® are trademarks of CRU Acquisition Group, LLC and are protected by trademark law.
Product Warranty
CRU warrants this product to be free of signicant defects in material and workmanship for a period
of three years from the original date of purchase. CRU’s warranty is nontransferable and is limited to
the original purchaser.
Limitation of Liability
The warranties set forth in this agreement replace all other warranties. CRU expressly disclaims all
other warranties, including but not limited to, the implied warranties of merchantability and tness
for a particular purpose and non-infringement of third-party rights with respect to the documentation
and hardware. No CRU dealer, agent, or employee is authorized to make any modication, extension,
or addition to this warranty. In no event will CRU or its suppliers be liable for any costs of procurement
of substitute products or services, lost prots, loss of information or data, computer malfunction, or any
other special, indirect, consequential, or incidental damages arising in any way out of the sale of, use
of, or inability to use any CRU product or service, even if CRU has been advised of the possibility of
such damages. In no case shall CRU’s liability exceed the actual money paid for the products at issue.
CRU reserves the right to make modications and additions to this product without notice or taking
on additional liability.
FCC Compliance Statement: “This device complies with Part 15 of the FCC rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired operation.”
This equipment has been tested and found to comply with the limits for a Class A 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 a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with the instruction manual, may cause harmful interference to radio communications. Operation of
this equipment in a residential area is likely to cause harmful interference in which case the user will
be required to correct the interference at this own expense.
In the event that you experience Radio Frequency Interference, you should take the following steps to
resolve the problem:
1) Ensure that the case of your attached drive is grounded.
2) Use a data cable with RFI reducing ferrites on each end.
3) Use a power supply with an RFI reducing ferrite approximately
4) Reorient or relocate the receiving antenna.
5 inches from the DC plug.
• USB 3.0: up to 5 Gbps
• USB 2.0: up to 480 Mbps
• eSATA: up to 3 Gbps
• FireWire 800: up to 800 Mbps
3.5-inch SATA Hard Drives
• One (1) USB 3.0/2.0 connector
• One (1) eSATA connector
• Two (2) FireWire 800 connectors
• Windows 8.1, 7, Vista, or XP
• Windows Server 2012, 2008, or 2003 product
families
• Mac OS X 10.4.x or higher
• Linux distributions that support the connection
type used
EMI Standard: FCC Part 15 Class A, CE
EMC Standard: EN55022, EN55024
• 17 pounds without drives (includes accessories)
• 23 pounds with drives
16.89” x 16.26” x 1.73” (429mm x 413mm x 44mm)
Your investment in CRU products is backed up by our
free technical support for the lifetime of the product.
Contact us through our website, cru-inc.com/support
or call us at 1-800-260-9800 or +1-360-816-1800.
FOR OFFICE OR COMMERCIAL USE
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