Synology DS3617xsII Manual

Synology NAS DS3617xsII
Hardware Installation Guide

Table of Contents
Chapter 1: Before You Start
Package Contents 3
Synology NAS at a Glance 4
Safety Instructions 5
Chapter 2: Hardware Setup
Tools and Parts for Drive Installation 6
Install Drives 6
Start Up Your Synology NAS 9
Add a RAM Module 10
Add a Network Interface Card 12
Replace System Fan 15
Chapter 3: Install DSM on Synology NAS
Install DSM with Web Assistant 16
Learn More 16
Appendix A: Specications
Appendix B: LED Indicator Table
Synology_HIG_DS3617xsII_20210316
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Thank you for purchasing this Synology product! Before setting up your new Synology NAS, 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 Synology NAS.
Package Contents
Main unit x 1 AC power cord x 1
RJ-45 LAN cable x 2
Screws for 2.5" hard drives x 52
Hard drive tray key x 2
Before You Start 1
Chapter
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4Chapter 1: Before You Start
Synology NAS at a Glance
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No. Article Name Location Description
1 Status Indicator
Front Panel
Displays the status of the system. For more information, see "Appendix B:
LED Indicator Table".
2 Alert Indicator Displays warnings regarding fan or temperature. For more information, see
"Appendix B: LED Indicator Table".
3 Power Button
1. Press to power on the Synology NAS.
2. To power o󰀨 the Synology NAS, press and hold until you hear a beep
sound and the Power LED starts blinking.
4 LAN Indicator Displays the status of the network connection. For more information, see
"Appendix B: LED Indicator Table".
5 Drive Status Indicator Displays the status of the installed drive. For more information, see "Appendix
B: LED Indicator Table".
6 Drive Tray Install drives (hard disk drives or solid state drives) here.
7 Drive Tray Lock Lock or unlock drive trays.
8 Power Port
Back Panel
Connect the AC power cord here.
9 Fan Disposes of excess heat and cools the system. If the fan malfunctions, the
Synology NAS will emit a beeping sound.
10 PCI Express
Expansion Slot Supports a PCIe x8 network interface card.
11 USB 3.0 Port Connect external drives or other USB devices to the Synology NAS here.
12 Expansion Port Connect Synology Expansion Unit1to the Synology NAS here.
13 RESET Button
1. Press and hold until you hear a beep sound to restore the default IP
address, DNS server, and password for the admin account.
2. Press and hold until you hear a beep sound, then press and hold again
until you hear three beep sounds to return the Synology NAS to “Not
installed” status so that DiskStation Manager (DSM) can be reinstalled.
14 Console Port This port is used for manufacturing use only.
15 LAN Port Connect network cables here.
1For more information about Synology Expansion Unit supported by your Synology NAS, please visit www.synology.com.

5Chapter 1: Before You Start
Safety Instructions
Keep away from direct sunlight and away from chemicals. Make sure the environment does not
experience abrupt changes in temperature or humidity.
Place the product right side up at all times.
Do not place near any liquids.
Before cleaning, unplug the power cord. Wipe with damp paper towels. Do not use chemical or
aerosol cleaners.
To prevent the unit from falling over, do not place on carts or any unstable surfaces.
The power cord must plug in to the correct supply voltage. Make sure that the supplied AC voltage is
correct and stable.
To remove all electrical current from the device, ensure that all power cords are disconnected from
the power source.
Risk of explosion if battery is replaced with an incorrect type. Dispose of used batteries appropriately.

Tools and Parts for Drive Installation
• A screwdriver (only for 2.5" drives)
• At least one 3.5" or 2.5" SATA drive (please visit www.synology.com 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.
Install Drives
1 Press the right part of a drive tray to pop out the handle.
2 Pull the drive tray handle in the direction as illustrated below to remove the drive tray.
Hardware Setup
6
2
Chapter

7Chapter 2: Hardware Setup
3 Load drives into drive trays.
• For 3.5” drives: Remove the fastening panels from the sides of the drive tray. Place the drive into the drive
tray. Then insert the fastening panels to secure the drive in place.
• For 2.5” drives: Remove the fastening panels from the sides of the drive tray and store them in a safe
place. Place the drive into the blue area (shown below) of the drive tray. Turn the tray upside down and
tighten the screws to secure the drive in place.
4 Insert the loaded drive tray into the empty drive bay.
Note: Make sure the tray is pushed in all the way. Otherwise, the drive might not be able to function properly.
5 Press the handle in ush with the front panel to hold the drive tray in place.

8Chapter 2: Hardware Setup
6 Insert the drive tray key into the drive tray lock, turn the key clockwise (to the “-” position) to lock the handle of
the drive tray, and then remove the key.
7 Repeat the steps above to assemble the other drives you have prepared.
8 Drives are numbered as shown below.
Note: If you want to create a RAID volume, we recommend that all installed drives are of the same size to make the
best use of drive capacity.

9Chapter 2: Hardware Setup
Start Up Your Synology NAS
1 Use the LAN cable to connect the Synology NAS to your switch, router or hub.
2 Connect one end of the AC power cord to the power port of the Synology NAS, and the other to the power
outlet.
3 Press the power button.
Congratulations! Your Synology NAS is now online and detectable from a network computer.

10 Chapter 2: Hardware Setup
Add a RAM Module
Follow the steps below to install, check, or remove a RAM module.
To install a RAM module:
1 Shut down your Synology NAS. Disconnect all cables from your Synology NAS to prevent any possible
damage.
2 Remove the 2 screws on the right side of the back panel, and then pull the side cover in the direction as
illustrated below. Place the screws and the cover aside.
Important: When you remove the side cover, you expose sensitive internal components. Avoid touching anything
other than the memory assembly when you insert or remove a RAM module.
3 Insert a new RAM module into the memory slot:
a Align the notch on the gold edge of the module with the memory slot key (i.e. the notch in the memory slot).
b Firmly push the module into the slot at a 45 degree angle. The RAM module is properly inserted when you
hear the retaining clips snap into place.