Dell SC100, SC120 manual Emm

Enclosure Management Modules (EMMs)

EMMs	Two hot-swappable IO modules
Connectivity
Configurations	Storage Center supports up to 168 drives in one redundant-path SAS chain
	• An SCv2000 supports up to 13 SC100 expansion enclosures or 6 SC120
	expansion enclosures
	• An SCv2020 supports up to 12 SC100 expansion enclosures or 6 SC120
	expansion enclosures

Redundant Array of Independent Disks (RAID)

Storage System	SCv2000/SCv2020
Management	RAID management using Dell Storage Client2015 R1
Back-Plane Board
Connectors	SC100: 12 SAS hard-drive connectors
	SC120: 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 connecting an expansion enclosure to a storage
	system.
	NOTE: SAS connectors are SFF-8086/SFF-8088 compliant
Serial connector	One 6-pin UART mini-DIN connector
	NOTE: Not for customer use.
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
Power supply/cooling	Three LED status indicators for power supply status, power supply/cooling
fan	fan fault status, and AC status

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