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System Overview : Dell PowerVault 220S and 221S Systems Service Manual

Figure 4. Back-Panel Features (Systems With Nonredundant EMMs and Nonredundant Power Supplies)

Back-Panel Modules

Figure 5

illustrates the features and indicators on the back-panel modules. See

Figure 5. Back-Panel Modules Features and Indicators

file:///C|/Users/rishi_sood/Desktop/220s/en/sm/intro.htm[3/7/2013 12:09:13 PM]

7 primary EMM

8 split-bus module

9 secondary EMM

1 SCSI terminator card

2 cooling module (blowers 2 and 3)

3 power-supply blank

4 power supply

5 cooling module (blowers 0 and 1)

6 unused port

7 EMM

8 split-bus module

Figure 6

for more information about bus configuration switch modes.

1 bus configuration switch

2 power LED indicator

3 SCSI connector

4 active LED indicator

5 fault LED indicator

6 power LED indicator