5
Chapter 1: Before You Start
No.
Article Name
Location
Description
8
Power Port
Rear
Connect power cord here.
9
PSU Indicator and
Beep Off Button
1. Displays the status of the power supply unit (PSU). For more
information, see "Other LED Indicators."
2. Press to deactivate the beeping sound that is emitted when a
malfunction occurs.
10
PSU Fan
Disposes of excess heat and cools the PSU.
11
Power Supply On/Off
Switch
Press to turn on/off the power supply.
12
Console Port
This port is used for manufacturing only.
13
1GbE RJ-45 Port
Connect RJ-45 network cable here.
14
USB 3.2 Gen 1 Port
Connect external drives or other USB devices to the Synology
NAS here.
15
Expansion Port
Connect to Synology Expansion Unit
2
here.
16
RESET Button
1. Press and hold until you hear a beep sound to restore the IP
address, DNS server, and password for the
admin
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.
17
PCI Express
Expansion Slot
Supports the addition of PCIe network interface cards.
2
For more information about Synology Expansion Unit supported by your Synology NAS, please visit