Mediant 1000B Gateway & E-SBC
Hardware Installation Manual 80 Document #: LTRT-41441
A.2.1.2 LED Description
The OSN3B/OSN4 module LEDs are shown in the figure below and described in the
subsequent table.
Figure A-2: OSN4 Module LEDs
Table A-4: OSN3B/OSN4 Module LEDs Description
Item Color State Description
1 Green
Flashing Firmware (BIOS) application active, payload (x86)
in sleep.
Solid Firmware (BIOS) application active, payload (x86)
active.
2 Red
On Out-of-service indicator due to hardware failure.
-
Off Normal operation.
3 Green
Solid Valid Ethernet link (cable connection) established.
Flashing Activity in the link.
-
Off The LED goes temporarily off if network packets
are sent or received. When this LED remains off, a
valid link has not been established due to a missing
or a faulty cable connection.
4 Orange
On 1000Base-TX connection.
Green
On 100Base-T connection.
-
Off 10Base-T connection if LED #3 is active.
5 Blue
Flashing Module undergoing shutdown sequence when
handle is pulled out to first extraction position, or
module had been inserted and handle is still in first
extraction position
On Module shutdown sequence complete and the
module can be extracted from the chassis slot.
-
Off Module correctly inserted in chassis slot.
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