Item Control/Feature Icon Description– Blinking green (1s on, 1s off) – System is in safe mode– Fast blinking green (4x per second) – Firmware is updating• Solid green – Running normal operation5 Serial port (micro USB) Used under the supervision of technical support to troubleshoot and supportsystems.6 MGMT port — Ethernet port used for storage system management and access to StorageManager.Two LEDs with the port indicate link status (left LED) and activity status (rightLED):• Link and activity indicators are off – Not connected to the network• Link indicator is green – The NIC is connected to a valid network at itsmaximum port speed.• Link indicator is amber – The NIC is connected to a valid network at less thanits maximum port speed.• Activity indicator is blinking green – Network data is being sent or received.7 USB port One USB 2.0 connector that is used for SupportAssist diagnostic files when thestorage system is not connected to the Internet.8 Mini-SAS (ports 1 and 2) Back-end expansion ports 1 and 2. LEDs with the ports indicate connectivityinformation between the storage controller and the expansion enclosure:• Steady green indicates the SAS connection is working properly.• Steady yellow indicates the SAS connection is not working properly.9 Mezzanine card The iSCSI ports on the mezzanine card are either 10 GbE SFP+ ports or 1 GbE/10GbE RJ45 ports.The LEDs on the iSCSI ports have the following meanings:• Off – No connectivity• Steady green, left LED – Link (full speed)• Steady amber, left LED – Link (degraded speed)• Blinking green, right LED – ActivityNOTE: The mezzanine card does not support DCB.Expansion Enclosure OverviewExpansion enclosures allow the data storage capabilities of the SCv3000 and SCv3020 storage system to be expanded beyond the 30internal drives in the storage system chassis.• The SCv300 is a 2U expansion enclosure that supports up to 12 3.5‐inch hard drives installed in a four‐column, three-row configuration.• The SCv320 is a 2U expansion enclosure that supports up to 24 2.5‐inch hard drives installed vertically side by side.• The SCv360 is a 4U expansion enclosure that supports up to 60 3.5‐inch hard drives installed in a twelve‐column, five-rowconfiguration.22 About the SCv3000 and SCv3020 Storage System
