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Chapter 4. Appliance physical interface
The physical interface for the appliance consists of buttons and LEDs on the front panel and ports and
LEDs on the back panel.
Front control panel
The power status and the hard disk drive and network activity of the appliance can be read from its front
control panel, as shown in the following figure.
Figure 13. Front panel buttons and LEDs for the appliance
Table 4. Legend for front panel buttons and LEDs
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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Copyright IBM Corp. 2016, 2020
Description
System health LED
Disk activity LED
Network link activity LED
Unit identification button/LED
Power button/LED
Non-maskable interrupt (NMI) button
Unused
Individual disk activity LED (green)
Individual disk status LED (blue/amber)
Disk drive 0
Disk drive 1
Disk drive 2
Disk drive 3
Disk drive 4
Disk drive 5
Disk drive 6
Disk drive 7
11
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