Table 5–2

I/O Module LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O Module

Amber

OFF

•No Faults present

•Off

 

 

Fault

 

ON

I/O Fault

 

 

 

 

 

 

 

 

 

 

I/O Module

Blue

ON

•Receiving SES

•Off

 

 

Identity

 

OFF

Command

 

 

 

 

 

 

Not receiving SES

 

 

 

 

 

 

Command

 

 

 

 

 

 

 

 

5.3.3Drive Carrier Module and Status Indicator

The Drive Carrier Module comprises a hard disk mounted in a carrier (Figure 5–6).Each drive bay can house a single Low Profile 1.0 inch high, 3.5 inch form factor disk drive in its carrier.

The handle provides the following functions:

Camming of carrier into and out of drive bays.

Positive 'spring loading' of the drive/baseplane connector.

The handle assembly also incorporates a Drive Status LED (Figure 5–6).

Note The enclosure system design allows for drive bays to be left empty without the need for fitting dummy drive carriers.

LED

Figure 5–6Drive Carrier Module: Closed and Opened

5.3.4DEM Card

The drive enclosure contains eight (8) top-loadable DEMs. The DEMs (Figure 5–7)provide the SAS connectivity between the I/O module and the HDDs located within the enclosure.

100

007-5510-002

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Image 114
APC 15000 RAID manual Drive Carrier Module and Status Indicator, DEM Card, Blue