Dell E04J, H476M manual 8, NOTE:

8Getting Started With Your System
Redundant Array of Independent Disks (RAID)
Controller Host-based RAID support using
PowerEdge™RAID controller H800.
Management RAID management using
Dell OpenManage™ Server
Administrator 6.2 or later.
Back-Plane Board
Connectors
• 24 SAS hard-drive connectors
• Two power supply/cooling fan
module connectors
• Two sets of EMM connectors
• One control panel connector for front LEDs
and enclosure mode switch
Sensors Two temperature sensors
Back-Panel Connectors (per EMM)
SAS connectors
• One SAS IN connector for connection
to the host
• One SAS OUT connector 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
• Two single-color LED indicators for
power and split mode
Hard-drive carrier • One single-color activity LED
• One two-color LED status indicator
per drive