SC9000 Storage System Owner's Manual

The back panel of the storage controller contains IO card slots, a system identification button, connectors, and power supplies.

Figure 1. Back Panel Features and Indicators

Item	Indicator, button, or connector	Icon	Description
1	System identification button		Used to locate a particular system within a rack. When a System ID button on the front or back panel is pressed, the front LCD panel and the back system status indicator flash until one of the buttons is pressed again. Press to toggle the system ID on and off. If the system stops responding during POST, press and hold the system ID button for more than five seconds to enter BIOS progress mode.
2	System identification connector		Connects the optional system status indicator assembly through the optional cable management arm.
3	iDRAC8 Enterprise port		Dedicated management port.
4	Low-profile IO card slots (3)	―	Ports are numbered from left to right.
5	Serial connector		Connects a serial device to the system.
6	Video connector		Connects a VGA display to the system.
7	USB connector (2)		Connects USB devices to the system. The ports are USB 3.0-compliant.
8	Full-height IO card slots (3)	―	Ports are numbered from right to left.
9	Ethernet connectors		Connects the storage controller to the Ethernet switch and to other storage controllers in the rack. The ports function as follows: IPC 1: 10Gb (Connect to second storage controller for IPC). MGMT 0: 1GbE (Connects to the Ethernet switch for system login, email, alerts, SNMP traps, diagnostic data, and access for software). NOTE: IPC 3 and MGMT 2 are not used.
10	Power supply unit (PSU1)	―	1100 W, 100–240 V AC, autoranging, 50/60 Hz
11	Cache card	―	Improves the performance of the storage system by temporarily storing data before it is written to disk.
12	Power supply unit (PSU2)	―	1100 W, 100–240 V AC, autoranging, 50/60 Hz