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SC5020 and SC5020F Storage System Owner’s Manual

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SC5020 Series Storage System Back-Panel View

The back panel of the storage system contains the storage controller indicators and power supply indicators.

Figure 1. SC5020 Series Storage System Back-Panel View Storage system

Storage system

Features and indicators on the back panel of the SC5020.

Item	Name	Icon	Description
1	Power supply/cooling fan module (2)		Contains power supplies and fans that provide cooling for the storage system, with AC input to the power supply of 200–240 V. In Storage Manager, the power supply/cooling fan module on the left side of the back panel is Power Supply 1 and power supply/cooling fan module on the right side of the back panel is Power Supply 2.
2	Storage controller (2)	—	Each storage controller contains: card with four SFP+ ports or four RJ45 10GBASE-T ports One expansion slot for a front-end I/O card: Fibre Channel iSCSI SAS SAS expansion ports – Two 12 Gbps SAS ports for back-end connectivity to expansion enclosures USB port – Single USB 2.0 port MGMT port – Embedded Ethernet port for system management Serial port – Micro-USB serial port used for an alternative initial configuration and support-only functions
3	Power switch (2)	—	Controls power for the storage system. Each power supply/cooling fan module has one power switch.
4	Power supply/cooling fan module LED handle	—	The handle of the power supply/cooling fan module indicates the DC power status of the power supply and the fans. Not lit – No power Solid green – Power supply has valid power source and is operational Blinking amber – Error condition in the power supply Blinking green – Firmware is being updated. Blinking green then off – Power supply mismatch
5	Power socket (2)	—	Accepts the following standard computer power cords: IEC320-C13 for deployments worldwide IEC60320-C19 for deployments in Japan