StarTech.com S252BU313R User manual

Manual Revision: 05/25/2020
User Manual
For the latest information and specications visit
www.startech.com/S252BU313R
USB 3.1 (10Gbps) Dual 2.5” SATA Drive Enclosure -
with USB-C and USB-A Cables
Actual product may vary from photos
SKU#: S252BU313R

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Compliance Statements
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment o and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
• Reorientorrelocatethereceivingantenna
• Increasetheseparationbetweentheequipmentandreceiver
• Connecttheequipmentintoanoutletonacircuitdi󱐯erentfromthatto
whichthereceiverisconnected
• Consultthedealeroranexperiencedradio/TVtechnicianforhelp
Industry Canada Statement
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [B] est conforme à la norme NMB-003 du
Canada.
CAN ICES-3 (B)/NMB-3(B)

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Use of Trademarks, Registered Trademarks, and other
Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and
other protected names and/or symbols of third-party companies not related in
any way to StarTech.com. Where they occur these references are for illustrative
purposes only and do not represent an endorsement of a product or service
by StarTech.com, or an endorsement of the product(s) to which this manual
applies by the third-party company in question. Regardless of any direct
acknowledgement elsewhere in the body of this document, StarTech.com
hereby acknowledges that all trademarks, registered trademarks, service marks,
and other protected names and/or symbols contained in this manual and
related documents are the property of their respective holders.

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Safety Statements
Safety Measures
• Wiringterminationsshouldnotbemadewiththeproductand/or
electriclinesunderpower.
• Cables(includingpowerandchargingcables)shouldbeplacedand
routedtoavoidcreatingelectric,trippingorsafetyhazards.
Mesures de sécurité
• Lesterminaisonsdecâblâgenedoiventpasêtree󱐯ectuéeslorsquele
produitet/oulescâblesélectriquessontsoustension.
• Lescâbles(ycomprislescâblesd’alimentationetdechargement)
doiventêtreplacésetacheminésdefaçonàévitertoutrisque
électrique,dechuteoudesécurité
安全対策
• • 電源が入っている状態の製品または電線の終端処理を行わないでく
ださい。
• • ケーブル（電源ケーブルと充電ケーブルを含む）は、適切な配置と引
き回しを行い、電気障害やつまづきの危険性など、安全上のリスクを回避す
るようにしてください。
Misure di sicurezza
• Iterminialideilielettricinondevonoessererealizzateconilprodotto
e/olelineeelettrichesottotensione.
• Icavi(inclusiicavidialimentazioneediricarica)devonoessere
posizionatiestesiinmododaevitarepericolidiinciampo,rischidi
scosseelettricheopericoliperlasicurezza.
Säkerhetsåtgärder
• Monteringavkabelavslutningarfårintegörasnärproduktenoch/eller
elledningarnaärströmförda.
• Kablar(inklusiveelkablarochladdningskablar)skadrasochplaceraspå
såsättattriskförsnubblingsolyckorochandraolyckorkanundvikas.

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Table of Contents
Compliance Statements........................................................................i
Safety Statements..................................................................................iii
Product Diagram....................................................................................1
Front View.................................................................................................................................................... 1
Open View................................................................................................................................................... 2
Rear View...................................................................................................................................................... 3
Product Information..............................................................................4
Package Contents ..................................................................................................................................... 4
Requirements ............................................................................................................................................. 4
Install the Hard Drives ............................................................................................................................. 4
Set the RAID Dip Switches ..................................................................................................................... 5
Connect Power and Data Cables ........................................................................................................ 6
Power on the Drive Enclosure .............................................................................................................. 6
Format and Prepare the Drives ............................................................................................................ 6
Operation ................................................................................................6
LED Indicators............................................................................................................................................. 6
Warranty Information............................................................................11

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Product Diagram
Front View
Components Function
1Removable
Screws
• Secure the Front Panel to the Drive
Enclosure
2Power LED
Indicator
• Solid Blue: The Universal Power
Adapter is connected to a Power
Source
3Drive LED
Indicators
• Solid or ashing Blue and Red
• See LED Indicators (Page 7) section
for more details
2 3
1
4

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Open View
Components Function
1Drive Trays • Each Drive Tray holds a 2.5” HDD
or SSD
2Front Panel • Covers the Drive Bay during
Operation
1
2

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Rear View
Components Function
1Power Switch • Power the Drive Enclosure On (Ι) or
O (O)
2USB 3.1 Gen 2
Port
• Connect the Drive Enclosure to the
Host Computer
3DC +12V Port • Connect the Drive Enclosure to a
Power Source
4SET Button • Press and hold for 10 seconds to set
the RAID Mode
5RAID Switches • Congure the RAID Mode
6Fan Speed
Control Switch
• Set the fan speed to OFF,25%,50%,
or 100%
235
61
4

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Product Information
Package Contents
• USB 3.1 to SATA Drive Enclosure x 1
• USB C to Micro B Cable - 40.25 Inches x 1
• USB 3.0 A to Micro B Cable - 40.25 Inches x 1
• Universal Power Adapter (NA,EU,UK,ANZ)
- 70 inches (Cable) x 1
• Drive Trays x 2
• Allen Keys x 2
• User Manual x 1
Requirements
For the latest requirements please visit:
www.startech.com/S252BU313R.
• HDDs or SSDs x 2
• Host Computer
Installation
Install the Hard Drives
1. Use one of the included Hex Keys to remove the four
Removable Screws in the Front Panel of the Drive
Enclosure.
2. Remove the Front Panel from the Drive Enclosure.
3. Remove the Drive Trays.
4. With the SATA Connector facing outwards, carefully install
one side of the HDD or SSD into the Drive Tray.

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5. Snap the HDD or SSD down into the other side of the tray.
Make sure that the SATA Connector on the HDD or SSD
lines up with the SATA Port in the Drive Bay.
6. Slide the Drive Tray into the Drive Enclosure.
7. Repeat steps 3 - 4 to install a second Drive.
8. Use the Hex Key and the four Removable Screws that were
removed in step 1 to reattach the Front Panel to the Drive
Enclosure.
Set the RAID Dip Switches
To set the RAID Conguration, use the table below and set the
Raid Switches located on the back of the Drive Enclosure.
RAID
Mode
Description Switch
1
Switch
2
GUI Allows access to both
Drives individually.
(Enabled Software-Based
Raid and Clear Hardware
Raid)
O O
RAID 0 Striping: Improves Drive
performance
O On
RAID 1 Mirror: Creates a duplicate
Drive on the second Drive
On O
SPAN Creates a large Single
Drive Volume that consists
of both Drives
On On

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Connect Power and Data Cables
1. Connect the Universal Power Adapter to the DC+12V
Port on the back of the Drive Enclosure and to an available
Power Source.
2. Connect one of the included USB Cables (USB-C to Micro
Bor USB-A to Micro B) to the USB 3.1 Gen 2 Port on the
back of the Drive Enclosure and to a USB Port on the Host
Computer.
Power on the Drive Enclosure
Toggle the Power Switch on the back of the Drive Enclosure to
the ON ( | ) position.
Format and Prepare the Drives
On the back of the Drive Enclosure, press and hold the SET
Button for at least 10 seconds or until the Power LED Indicator
illuminates and the Red Drive LED Indicators begin to
illuminate and blink.
Operation
LED Indicators
Note: A ashing Red LED indicates a Drive in active use
(reading, writing, or rebuilding the Drive). If the Drive is
installed but there is no activity then the Blue LED Indicator
will remain illuminated.

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GUI Mode
Drive
Status
Drive LED Indicator
1 Status
Drive LED Indicator
2 Status
Switch 2
Blue
LED
Red LED Blue
LED
Red LED
Two Drives
Installed
and Drive
Enclosure is
Powered On
Solid Flashing Solid Flashing
Only Drive 1
Installed
Solid Flashing O Solid
Only Drive 2
Installed
O Solid Solid Flashing

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SPAN Mode
Drive Status Drive LED Indicator
1 Status
Drive LED Indicator
2 Status
Switch 2
Blue
LED
Red LED Blue
LED
Red LED
Two Drives
Installed
and Drive
Enclosure is
Powered On
Solid Flashing Solid Flashing
Drive 1
Failure or
Removal
O Solid Solid O
Drive 1
Reconnected
Solid Flashing Solid Flashing
Drive 2
Failure
Solid O O Solid
Drive 2
Reconnected
Solid Flashing Solid Flashing

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RAID 0 Mode
Drive Status Drive LED Indicator
1 Status
Drive LED Indicator
2 Status
Switch 2
Blue
LED
Red LED Blue
LED
Red LED
Two Drives
Installed
and Drive
Enclosure is
Powered On
Solid Flashing Solid Flashing
Drive 1
Failure or
Removal
O Solid Solid O
Drive 1
Reconnected
Solid Flashing Solid Flashing
Drive 2
Failure
Solid O O Solid
Drive 2
Reconnected
Solid Flashing Solid Flashing

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RAID 1 Mode
Drive Status Drive LED Indicator
1 Status
Drive LED Indicator
2 Status
Switch 2
Blue
LED
Red LED Blue
LED
Red LED
Two Drives
Installed
and Drive
Enclosure is
Powered On
Solid Flashing Solid Flashing
Drive 1
Failure or
Removal
O Solid Solid Flashing
Drive 1
Reconnected
or Replaced
Solid Slowly
Flashing
Solid Slowly
Flashing
Drive 2
Failure or
Removal
Solid Flashing O Solid
Drive 2
Reconnected
or Replaced
Solid Slowly
Flashing
Solid Slowly
Flashing

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Warranty Information
This product is backed by a two-year warranty.
For further information on product warranty terms and conditions, please refer
to www.startech.com/warranty.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or
their ocers, directors, employees or agents) for any damages (whether direct
or indirect, special, punitive, incidental, consequential, or otherwise), loss of
prots, loss of business, or any pecuniary loss, arising out of or related to the use
of the product exceed the actual price paid for the product.
Some states do not allow the exclusion or limitation of incidental or
consequential damages. If such laws apply, the limitations or exclusions
contained in this statement may not apply to you.
To view manuals, videos, drivers, downloads, technical drawings, and more visit www.startech.com/support
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