Synology RX1222sas Manual
Table of Contents
Chapter 1: Before You Start
Package Contents 3
Synology RX1222sas at a Glance 4
LED Indicator Table 6
Hardware Specication 7
Spare Parts 8
Optional Accessories 8
Safety Instructions 9
Chapter 2: Hardware Setup
Tools and Parts for Component Installation 10
Install Storage Drives 10
Install and Remove Rail Kits 12
Connect with Synology NAS 16
Chapter 3: System Maintenance
Replace System Fan 18
Replace Power Supply Unit (PSU) 19
Synology_HIG_RX1222sas_20210802
2
3
Thank you for purchasing this Synology product! Before setting up your new expansion unit, please check the
package contents to verify that you have received the items below. Also, make sure to read the safety instructions
carefully to avoid harming yourself or damaging your expansion unit.
Note: All images below are for illustrative purposes only, and may dier from the actual product.
Package Contents
Main unit x 1 AC power cord x 2
Expansion cable x 2
Screws for 2.5" drives x 52
Screws for 3.5" drives x 52
Before You Start 1
Chapter
4Chapter 1: Before You Start
Synology RX1222sas at a Glance
Front
Rear
No. Article Name Location Description
1 POWER Indicator
Front
Displays the power status.1
2 ALERT Indicator Displays warnings regarding fan or temperature. For more
information, see "LED Indicator Table".
3 Beep O Button Press to deactivate the beep that sounds when a malfunction
occurs.
4 Drive Status Indicator Displays the status of drive. For more information, see "LED
Indicator Table".
5 Drive Tray Install drives (hard disk drives or solid state drives) here.
6 Rail Kit Release Tab Push in and hold to release your RX1222sas from the rail kit
lock.2
1RX1222sas automatically powers on when the power cord is plugged into the power source. For more information, please see "Connect with
Synology NAS".
2For more information about the rail kit installation, please refer to the Quick Installation Guide that comes with the rail kit.
5Chapter 1: Before You Start
No. Article Name Location Description
7 Power Port
Rear
Connect power cords here.
8 PSU Indicator Displays the status of the power supply unit (PSU). For more
information, see "LED Indicator Table".
9 PSU Fan Disposes of excess heat and cools the PSU.
10 STATUS Indicator Displays the status of the system. For more information, see
"LED Indicator Table".
11 ALERT Indicator Displays warnings regarding fan or temperature. For more
information, see "LED Indicator Table".
12 Expansion Unit ID
Indicator Indicates the ID number of the expansion unit.
13 SAS IN Port and
Indicator
Connects to the SAS OUT port of a Synology NAS or another
expansion unit. For more information, please see "Connect with
Synology NAS".
14 SAS OUT Port and
Indicator
Connects to the SAS IN port of another expansion unit. For more
information, please see "Connect with Synology NAS".
6Chapter 1: Before You Start
LED Indicator Table
LED Indicator Color Status Description
POWER
Blue Static Powered on
O Powered o
Drive Status Indicator
(on tray)
Green
Static Drive ready and idle
Blinking Accessing drive
Red Static Drive error/Port disabled1
O No internal Drive
ALERT
Orange Blinking System error2
O System normal
PSU Indicator
Green Static Power supply unit normal
O Power supply unit o
Rear Status
Green Blinking Powered on
O Powered o
Rear Alert
Orange Blinking System error2
O System normal
SAS IN/OUT
Green Static Synology NAS connected
O Synology NAS disconnected
Note:
1 Please try to restart your Synology NAS or re-insert the drives, then run the HDD/SSD manufacturer's
diagnostic tool to check the health status of the drives. If you can sign in to DSM, please run the built-in
S.M.A.R.T. test to scan the drives. If the problem remains unresolved, please contact Synology Technical
Support for help.
2 If the ALERT LED continuously blinks orange, this indicates there are system errors such as fan failure,
system overheating, or volume degrade. Please sign in to DSM for detailed information.
7Chapter 1: Before You Start
Hardware Specication
Item RX1222sas
Compatible Drive Type 3.5"/2.5" SATA/SAS x 12
Expansion Port
• SAS IN x 1
• SAS OUT x 1
Size (H x W x D) (mm)
• 88 x 430.5 x 692
• 88 x 482 x 724 (with server ears)
Weight (kg) 13.5
Agency Certication • FCC Class A • CE Class A • UKCA • BSMI Class A
• EAC • VCCI • RCM • KC • RoHS Compliant
Environment Requirement
• Line voltage: 100 V to 240 V AC
• Frequency: 50/60 Hz
• Operating Temperature: 32 to 95˚F (0 to 35˚C)
• Storage Temperature: -5 to 140˚F (-20 to 60˚C)
• Relative Humidity: 5% to 95% RH
Note: Model specications are subject to change without notice. Please refer to www.synology.com for the latest information.
8Chapter 1: Before You Start
Spare Parts
Visit www.synology.com/products/spare_parts if you need to replace system fans, disk trays, or power supply
units
Model Name Picture Description
Disk Tray (Type R7) 3.5"/2.5" Drive Tray
FAN 80*80*32_6 System Fan 80*80*32 mm
PSU 500W-RP Module_2 Redundant PSU Module 500W
PSU 500W-RP Set_2 Redundant PSU Set 500W
RKS-02 Sliding rails solutions
Cable MiniSASHD_EXT_1 External MiniSAS HD Cable
100 cm
Cable MiniSASHD_EXT_2 External MiniSAS HD Cable
200 cm
Optional Accessories
With Synology accessories, you can customize your expansion unit to t dierent business environments without
worrying about compatibility and stability. Visit www.synology.com/compatibility for more information.
9Chapter 1: Before You Start
Safety Instructions
Keep away from direct sunlight and away from chemicals. Ensure a stable environment
with no abrupt changes in temperature or humidity.
Place the unit right side up at all times.
Keep the unit away from liquids.
Before cleaning, unplug the power cord. Do not use chemical or aerosol cleaners. Wipe
with damp paper towels.
To prevent the unit from falling over, do not place it on carts or any unstable surfaces.
The power cord must plug into the correct supply voltage. Ensure the supplied AC voltage
is correct and stable.
Warning, electric shock hazard. To remove all electrical current from the device, ensure
that all power cords are disconnected from the power source.
Risk of explosion if the battery is replaced by an incorrect type. Dispose of used batteries
appropriately.
Power cord must be plugged into a socket-outlet with earthing connection.
Keep body parts away from moving fan.
This product must be installed by qualied personnel in a restricted access location (like
dedicated equipment rooms, service closets).
10
Tools and Parts for Component Installation
Please prepare below tools and parts before setting up your expansion unit:
• A screwdriver
• At least one 3.5"/2.5" SAS/SATA drive (please visit www.synology.com/compatibility for compatible drive
models)
Warning: If you install a drive that contains data, the system will format the drive and erase all existing data.
Please back up any important data before installation.
• Rail mounting kit (please see the Optional Accessories section to nd out the suitable rail kit for cabinet
installation)
Warning: We suggest mounting your expansion unit on a cabinet before installing any drives since the heavy
weight will increase the installation diculty.
Install Storage Drives
Please follow the steps below for drive installation:
1 Open the front top cover.
1
Find the small button located at the left side of the drive tray handle. Press the button down, and the drive
tray handle will pop out.
2
Pull the drive tray handle out as illustrated below.
2 Load drives in the drive trays.
1
For 3.5" drives: Place the drive in the drive tray. Then tighten the screws and secure the drive in place.
Hardware Setup 2
Chapter
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