
5Chapter 1: Before You Start
No. Article Name Location Description
8 Power Port
Back
Connect power cords here.
9 PSU Indicator and Beep O
Button
1. Displays the status of the power supply unit (PSU). For more
information, see "LED Indicator Table."
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 Console Port This port is used for manufacturing use only.
12 PCI Express Expansion Slot Supports additional PCIe network interface cards.
13 SAS OUT Port Connect to Synology Expansion Unit2here.
14 1GbE LAN Port Connect RJ-45 network cables here.
15 10GBase-T LAN Port Connect RJ-45 network cables here.
16 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 Unied
Controller to “Ready” status so that DSM UC can be initialized.
17 Power Indicator Displays the status of the power supply of the controller. For more
information, see "LED Indicator Table."
18 Status Indicator Displays the status of the controller. For more information, see "LED
Indicator Table."
19 Alert Indicator Displays warnings regarding fan or temperature of the controller. For
more information, see "LED Indicator Table."
20 Remove Indicator Displays the status indicating whether the controller is removable. For
more information, see "LED Indicator Table."
2For more information about Synology Expansion Unit supported by your Synology Unied Controller, please visit www.synology.com.