Depending on the model of the SE server, it contains Management Units of the type MU M3, MU M4 or MU M5.
MU M3
Figure 8: Management Unit (MU) - front of an MU M3
Indicators on the front panel of MU M3
Figure 9: Indicators and control elements on the front panel of MU M3
Pos. | Label | Button / Display | Function | Status |
1 | RESET | Reset button | System restart (for Customer Support only) | |
2 | NMI | NMI button | For Customer Support only | |
3 | ID | ID button / ID indicator | Identifies the ID display on the front panel and at the I/O panel for an easier server identification. | blue on |
4 |
| CSS display | Notify Customer Support if on or flashing | off / orange / orange flashing |
5 |
| Global error display | Notify Customer Support if on or flashing | off / orange / orange flashing |
6 |
| HDD/SSD activity indicator | Data access running | green flashing |
7 |
| On/Off button | Switch on server: Off / Server switched on / BMC firmware starting after connection to power grid | off / green on / green flashing slowly |
8 |
| Status indicator (power cable connected) | Server switched off and connected to power grid (stand-by mode) / Server switched off and not connected to power grid or switched on and normal operation | green on / off |
MU M4 / MU M5
Figure 10: Management Unit (MU) - front of an MU M4 / MU M5
| No. | Function |
|---|---|
| 1 | ID card |
| 2 | Optical drive (ODD) resp. dummy cover |
| 3 | Front VGA port (if available) |
| 4 | Common operation panel (see below) |
| 5 | HDDs / SSDs / PCIe SSDs / EDSFF SSDs / dummy modules |
Indicators on the front panel of MU M4 / MU M5
Figure 11: Indicators and control elements on the front panel of MU M4 / MU M5
Pos. | Label | Key / Display | Function | Status |
1 | ID | ID button / ID indicator | Identifies the ID display on the front panel and at the I/O panel for an easier server identification. | blue on |
2 |
| On/Off button | Switch on server: Off / Server switched on / BMC firmware starting after connection to power grid | off / green on / green flashing slowly |
3 |
| CSS display | Notify Customer Support if on or flashing | off / orange / orange flashing |
4 |
| Global error display | Notify Customer Support if on or flashing | off / orange / orange flashing |
5 |
| HDD/SSD activity indicator | Data access running | green flashing |
RESET | Reset button | System restart (for Customer Support only) | ||
NMI | NMI button | For Customer Support only |
Schema of the front panel of MU M4 and MU M5
Figure 12: Front of the MU M4 / MU M5 (schema)