Figure 10. SCv3020 Storage System Drive NumberingSCv3000 and SCv3020 Storage System Back-Panel ViewThe back panel of the storage system contains the storage controller indicators and power supply indicators.Figure 11. SCv3000 and SCv3020 Storage System Back-Panel ViewItem Name Icon Description1 Power supply/cooling fanmodule (2)Contains power supplies and fans that provide cooling for the storage system, withAC input to the power supply of 200–240 V. In Storage Manager, the powersupply/cooling fan module on the left side of the back panel is Power Supply 1 andpower supply/cooling fan module on the right side of the back panel is PowerSupply 2.2 Storage controller (2) — Each storage controller contains:• Optional 10 GbE iSCSI mezzanine card with four SFP+ ports or four RJ4510GBASE-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 toexpansion 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 configurationand support-only functions3 Power switch (2) — Controls power for the storage system. Each power supply/cooling fan module hasone power switch.About the SCv3000 and SCv3020 Storage System 19
