Owners Manual

Table 1. Front-Panel Features and Indicators (continued)

Item Indicator, Button, or Connector Description

3 Split mode LED This LED must be unlit as the split mode function is not supported

by the MD3800f Series Storage Arrays.

4 System identification button The system identification button on the front control panel can be

used to locate a particular enclosure within a rack. When the button

is pushed, the system status indicators on the control panel and the

RAID controller module(s) blink blue until the button is pushed

again.

5 Hard drives MD3800f —Up to twelve 3.5 inch SAS hot-swappable hard drives.

MD3820f —Up to twenty four 2.5 inch SAS hot-swappable hard

drives.

6 Enclosure mode switch The function of this switch is not applicable to your storage array.

However, if MD1200 Series expansion enclosures are daisy chained

to the storage array, the enclosure mode switches of the MD1200

Series expansion enclosures must be set to the Unified-Mode

position.

NOTE: This switch must be set before turning on the

MD1200 Series expansion enclosure. Changing the

switch setting after the expansion enclosure is turned on

has no effect on the enclosure configuration until the

expansion enclosure goes through a complete power

cycle.

Back-Panel Features and Indicators

Figure 4. Back-Panel Features and Indicators—Dell PowerVault MD3800f and MD3820f Series

600 W power supply/cooling fan 2. RAID Controller Module 0

3. RAID Controller Module 1 4. 600 W power supply/cooling fan

About Your System 7