Hardware Installation Manual A. Open Solution Network Server Platform
Media Gateways & SBCs 83 Mediant 1000B Gateway & E-SBC
A.2.2.2 LED Description
The OSN3 module LEDs are shown in the figure below and described in the subsequent
table.
Figure A-5: OSN3 Module LEDs
Table A-8: 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.