Bosch DSDA ISCSI DISK ARRAY SERIES DSA-N2B20 Installation Guide download pdf (Page 29)

DSDA iSCSI Disk Array Series Monitoring and Maintenance | en 27

Bosch Security Systems Installation Guide V 1 | 2008.08

7.3.2 DSA-N2B20 / DSA-N2B50

LEDs on front side, right:

If the Power LED is not lit green, the system has no power.

X Check the cables and switch the system on.

If the Fault LED is lit amber, the system is halted, or an error is indicated.

A blinking Controller LED indicates activity of the controller.

A corresponding Power LED and a Fault LED are also located on the rear side of the system.

On the rear side, next to the Ethernet ports, two fault-indicating LEDs can be found.

– NVRAM Battery LED blinking green:

NVRAM is in battery-backed standby-state (contains data not written to disk yet).

– Controller Module Status LED lit amber:

System is initializing or system fault.

7.3.3 Disk Shelves

There is a corresponding LED next to each SFP slot on the rear side of the shelf:

–LED lit green:

SFP connection.

– LED not lit:

No SFP connection. Check all cable connections and ensure all plugs are properly fitted.

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Bosch DSDA ISCSI DISK ARRAY SERIES DSA-N2B20 Installation Guide Page 29