Synology DS1621+ Manual

Synology NAS DS1621+

Hardware Installation Guide

Table of Contents

Chapter 1: Before You Start

Package Contents	3
Synology DS1621+ at a Glance	4
LED Indicator Table	5
Hardware Specification	6
Optional Accessories	7
Spare Parts	8
Safety Instructions	9

Chapter 2: Hardware Setup

Tools and Parts for Component Installation	10
Install Drives	10
Start Up Your Synology NAS	12
Add a Memory Module to Synology NAS	13
Add an M.2 NVMe SSD to Synology NAS	15
Add a Network Interface Card	16

Chapter 3: System Maintenance

Replace System Fan	17
Initial Troubleshooting Guide	20

Chapter 4: Install DSM on Synology NAS

Install DSM with Web Assistant	21
Learn More	21

Synology_HIG_DS1621+_20200622

2

1Chapter

Before You Start

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.

Note: All images below are for illustrative purposes only, and may differ from the actual product.

Package Contents

Main unit x 1	AC power cord x 1
	RJ-45 LAN cable x 2
	Hard drive tray key x 2
	Screws for 2.5" drives x 28

3

Synology DS1621+ at a Glance

1			2			3			4				5			9		10				11

6

12

13

14

16

7

8

15

No.

Article Name

Location

Description

1

Status Indicator

Displays the status of the system. For more information, see

"LED Indicator Table".

2

Alert Indicator

Displays warnings regarding fan or temperature. For more

information, see "LED Indicator Table".

3

Power Button

1. Press to power on your Synology NAS.

2. To power off your Synology NAS, press and hold until you

hear a beep sound and the Power LED starts blinking.

4

LAN Indicator

Front

Displays the status of the network connection. For more

information, see "LED Indicator Table".

5

Drive Status Indicator

Displays the status of each drive. For more information, see

"LED Indicator Table".

6

Drive Tray

Install drives (hard disk drives or solid state drives) here.

7

USB 3.0 Port

Connect external drives or other USB devices to the Synology

NAS here.

8

Drive Tray Lock

Lock or unlock drive trays.

9

Power Port

Connect power cord here.

10

Fan

Disposes of excess heat and cools the system. If the fan

malfunctions, the Synology NAS will emit a beeping sound.

11

PCI Express

Supports one PCIe x8 slots (x4 link) add-on card.

Expansion Slot

12

Kensington Security Slot

Attach a Kensington security lock here.

13

USB 3.0 Port

Connect external drives or other USB devices to the Synology

Rear

NAS here.

14

LAN Port

Connect RJ-45 network cable here.

1. Press and hold until you hear a beep sound to restore

the IP address, DNS server, and password for the admin

15

RESET Button

account to default.

2. Press and hold until you hear a beep, then press and hold

again until you hear three beeps to return the Synology

NAS to "Not Installed" status so that DiskStation Manager

(DSM) can be reinstalled.

16

eSATA Port

Connect Synology Expansion Unit1 to the Synology NAS here.

1 For more information about Synology Expansion Unit supported by your Synology NAS, please visit www.synology.com.

4 Chapter 1: Before You Start

LED Indicator Table

	LED Indicator	Color	Status	Description
		Green	Static	Volume normal
				Volume degraded/Volume crashed
	STATUS	Orange	Blinking	Volume not created
				DSM not installed
			Off	HDD hibernation
		Green	Static	Drive ready and idle
	Disk Status Indicator		Blinking	Accessing drive
	(on tray)	Orange	Static	Drive error/Port disabled	1
			Off	No internal drive
		Blue	Static	Powered on
	Power		Blinking	Booting up/Shutting down
			Off	Powered off
	ALERT	Orange	Blinking	Fan failure/Over temperature
			Off	System normal
		Green	Static	Network connected
	Front LAN		Blinking	Network active
			Off	No network
		Green	Static	Network connected
	Rear 1GbE LAN
			Blinking	Network active
	(on left side of jack)
			Off	No network
		Green	Static	1 Gbps connection
	Rear 1GbE LAN
		Orange		100 Mbps connection
	(on right side of jack)
			Off	10 Mbps connection/No network

Note: Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.

1Please 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.

5 Chapter 1: Before You Start

Hardware Specification

	Item	DS1621+
	Compatible Drive Type	• 3.5"/2.5" SATA x 6
		• M.2 2280 NVMe SSD x 2
	Maximum Internal Raw Capacity	• 96 TB (6 x 16 TB HDD)
		• 256 TB with 2 x DX517 (expansion unit)
	External Port	• USB 3.0 x 3
		• eSATA x 2
	LAN Port	1GbE (RJ-45) x 4
	PCIe Slot	Gen3 x8 slot (x4 link) x 1
	Size (H x W x D) (mm)	166 x 282 x 243
	Weight (kg)	5.1
	Supported Client	• Windows 7 onwards
		• macOS 10.12 onwards
	File System	• Internal: Btrfs, ext4
		• External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT1
	Supported RAID Type	• Basic • JBOD • RAID 0 • RAID 1
		• RAID 5 • RAID 6 • RAID 10
	Agency Certification	• FCC Class B • CE Class B • BSMI Class B
		• EAC • VCCI • CCC • RCM • RoHS Compliant
	HDD Hibernation	Yes
	Scheduled Power On/Off	Yes
	Wake on LAN	Yes
	Language Localization
		• Line voltage: 100 V to 240 V AC
		• Frequency: 50/60 Hz
	Environment Requirement	• Operating Temperature: 32 to 104˚F (0 to 40˚C)
		• Storage Temperature: -5 to 140˚F (-20 to 60˚C)
		• Relative Humidity: 5% to 95% RH

Note: Model specifications are subject to change without notice. Please refer to www.synology.com for the latest information.

1 Support for exFAT can be enabled by purchasing and downloading exFAT Access in Package Center.

6 Chapter 1: Before You Start

Optional Accessories

With Synology accessories, you can customize your Synology NAS to fit different business environments without worrying about compatibility and stability. Visit www.synology.com/compatibility for more information.

• Memory Module

Model Name	Picture	Description
D4ES01-4G		4GB DDR4 ECC Unbuffered
		SODIMM

	D4ES01-8G	8GB DDR4 ECC Unbuffered
		SODIMM
	D4ECSO-2666-16G	16GB DDR4 ECC Unbuffered
		SODIMM
• PCIe Add-in Card

	Model Name	Picture	Description
	E10G17-F2		Dual-port, 10GbE SFP+
			network interface card
	E10G18-T1		Single-port, 10GbE RJ-45
			network interface card
	E10G18-T2		Dual-port, 10GbE RJ-45
			network interface card
• Expansion Unit
	Model Name	Picture	Description
	DX517		5-bay
			2.5"/3.5" SATA expansion

Note: Your Synology NAS supports up to two expansion units.

7 Chapter 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 D6)		3.5"/2.5" Drive Tray With Lock
Fan 92*25_3		System Fan 92*92*25 mm
PSU 250W_5		PSU 250W 24p+12p+8p

8 Chapter 1: Before You Start

Safety Instructions

Keep away from direct sunlight and 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 electric 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.

9 Chapter 1: Before You Start