Installation & Maintenance Manual 5. OSN Platform
Version 6.8 33 Microsoft Lync Server
5.2.2 LED Description
The OSN3 module LEDs are shown in the figure below and described in the subsequent
table.
Figure 5-4: OSN3 Module LEDs
Table 5-6: OSN3 Module LEDs Description
Item Label Color State Description
1
Green Flashing Hardware normal operation.
Red On Hardware fault (over-temperature or excess
voltage feed).
2 3 Red On When lit during boot-up, indicates power failure.
Flashing Processor over-temperature above 100°C. If LEDs
0, 1, and 2 are also flashing, there is a processor
over-temperature above 125°C and as a result,
the module shuts down.
- Off Normal operation.
3 2 Red On When lit during boot-up, indicates clock failure.
Flashing Chipset over-temperature above 105°C. If LEDs 0,
1, and 3 are also flashing, there is a processor
over-temperature above 125°C and as a result,
the module shuts down.
- Off Normal operation.
4 1 Red On When lit during boot-up, indicates a hardware
reset.
Flashing Processor over-temperature above 125°C and as
a result, OSN3 shuts down (if LEDs 0, 2, and 3
are also flashing)
- Off Normal operation.
5 0 Red On When lit up during boot-up, indicates a BIOS boot
failure.
Flashing Processor over-temperature above 125°C and as
a result, OSN3 shuts down (if LEDs 1, 2, and 3
are also flashing)
- Off Normal operation.
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