Front and Back Panel Information

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4120C front panel layout
4120C front panel with hard disk bays.
Callout Description
1 Hard disk drive bays
2 Front video connector
3 USB 2.0 or 3.0 ports
Note

Note

Although the appliance has 5 USB connectors (two on the front panel and three on the back panel), only one USB connector can be in use at a time.
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4120C back panel layout
4120C appliance hardware back panel layout
Callout Description
1 Power supply module #1
2 Retention strap receiver hole #1
3 Power supply module #2
4 Retention strap receiver hole #2
5 Inter-Cluster-Connect 1(ICC1); 10 GbE, RJ45

6 Inter-Cluster-Connect 2 (ICC2); 10 GbE, RJ45
7 VGA port (do not use)
8 Port 3 (Data Port 3) 1/10/25/40/50 GbE, QSFP28
9 Port 4 (Data Port 4) 1/10/25/40/50 GbE, QSFP28
10 RJ45 Serial A-port
11 USB 2.0 or 3.0 ports
12 Port 1 (Data Port 1) 1/10 GbE, RJ45
13 Port 2 (Data Port 2) 1/10 GbE, RJ45
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4120C front control panel
4120C front control panel buttons
Callout Description
1 System ID button with integrated LED
2 NMI button
3 ICC1 port activity LED
4 ICC2 port activity LED
5 Data Port 2 activity LED
6 Data Port 1 activity LED
7 System cold reset button
8 System status LED
9 Drive activity LED
10 Power button with integrated LED

Front Faceplate

The appliance comes with an optional front panel faceplate attached to the unit. You can monitor the system status indicators with the faceplate in place.