UProduct Manual C3400
55Pages

Chapter 1: Before You Start 2 1.3 System modes and LED indicators 4 Chapter 2: Hardware Components Installation 12 2.5 Install PCIe Add-in Cards 18 2.6 Add Memory Modules to Synology Unified Controller 26 2.7 Expansion Unit Deployment and Topology 29 Chapter 3: Initial System Setup 33 3.1 Start up Your Synology Unified Controller 33 Chapter 4: System Maintenance 35 4.2 Replace Power Supply Unit (PSU) 36 5.2 Common issues resolution 39 5.3 Before you contact Synology Technical Support 43 5.4 Contacting Synology Technical Support 44 5.5 Getting information, help, and service 45

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Notes: 1. For more information about the rail kit installation, please refer to the Quick Installation Guide that comes with the rail kit. 2. For more information about Synology Expansion Unit supported by your Synology Unified Controller, please visit Synology's official website.

System modes definitions There are 5 system modes in Synology Unified Controller. The System modes and their definitions are as below:

Transitions between System Modes To better understand the transition between system modes, please refer to the examples below: • Powered on with no DSM UC installed: Powered off > Powering on > DSM UC not ready • Powered on with DSM UC installed: Powered off > Powering on > DSM UC not ready > DSM UC is ready for use • Shutdown: DSM UC is ready for use > Shutting down > Powered off • Power failure with UPS attached: DSM UC is ready for use > DSM UC not ready (due to power failure, DSM UC enters safe mode) > Shutting down > Powered off > Powering on (power has recovered, DSM UC will reboot) >...

Notes: 1. Model specifications are subject to change without notice. Refer to Synology website for the latest information. 1.6 Spare Parts Refer to Spare Parts if you need to replace system fans, disk trays, or power supply units. Model Name Picture

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.yart evird eht eruces ot drawni eldnah eht hsuP .4 .ylreporp noitcnuf ton thgim evird eht ,esiwrehtO .detresni yletelpmoc si yart eht erus ekaM .yab evird ytpme eht otni yart evird dedaol eht tresnI .3

.rellortnoc eno tuo llup ot revel esaeler eht lluP .esiwkcolcretnuoc ti gninrut yb rellortnoC deifinU ygolonyS ruoy fo kcab eht no rellortnoc eht eruces taht swercs eht nesooL .2 .egamad elbissop yna tneverp ot rellortnoC deifinU ygolonyS ruoy ot detcennoc selbac lla tcennocsiD .rellortnoC deifinU ygolonyS ruoy nwod tuhS .1 sdrac ecafretni krowten eht llatsni oT .dellatsni eb ot sdrac ecafretni krowten gniwolla ,noisnapxe drac ni-dda lanoitpo rof tols 8x eICP owt sedivorp 0043CU sdraC ni-ddA elCP llatsnI 5.2 .yticapac evird fo esu tseb eht ekam ot ezis lacitnedi fo sevird gnillatsni...