Reference Guide

Getting Started With Your System 9
Management RAID management using Storage Center
System Manager version 6.2 or later
Back-Plane Board
Connectors
• SC200: 12 SAS hard-drive connectors
• SC220: 24 SAS hard-drive connectors
• Two power supply/cooling fan
module connectors
• Two sets of EMM connectors
• One control panel connector for front
LEDs
Sensors Two temperature sensors
Back-Panel Connectors (per EMM)
SAS connectors
SAS A and B connectors for connection to
the controller and for expansion to an
additional enclosure
NOTE: SAS connectors are
SFF-8086/SFF-8088 compliant
Serial connector One 6-pin UART mini-DIN connector
NOTE: For engineering use only
LED Indicators
Front panel
• One two-color LED indicator for
system status
• One single-color LED indicators for
power status
Hard-drive carrier • One single-color activity LED
• One two-color LED status indicator
per drive
EMM Three two-color LED status indicators,
one each for the two EMM SAS ports and
one for the EMM status
Redundant Array of Independent Disks (RAID) (continued)