Understanding Fiber Module Leds - Intel Express 10/100 Stackable Hub Ethernet Module User Manual

LED Status
Auto-negotiate Solid
Blinking
Off
Full-duplex Solid
Blinking
Off
Half-duplex Solid
Blinking
Off
NOTE
A long press is held for 2
seconds or more.
A short press is held for less
than 2 seconds.

Understanding Fiber Module LEDs

The LEDs on the Fiber Module provide information about the
module's configuration and status.
Auto-negotiate
Change
Full-duplex
duplex
Half-duplex
Duplex LEDs
You can determine the Fiber Module's duplex configuration and status
from the duplex LEDs. Use the Change duplex button to cycle among
duplex modes.
Meaning
Module is set to auto-negotiate the duplex mode.
Module is being forced to cycle among auto-negotiate,
half-duplex, and full-duplex.
Duplex mode has been forced to half or full-duplex.
Module is in full-duplex mode.
Module is being forced to cycle among auto-negotiate,
half-duplex, and full-duplex.
Module is not in full-duplex mode.
Module is in half-duplex mode.
Module is being forced to cycle among auto-negotiate,
half-duplex, and full-duplex.
Module is not in half-duplex mode.
To change the duplex mode
This example forces the duplex mode to full-duplex:
1 Long press the Change duplex button. The Auto-negotiate LED
blinks.
2 Short press the Change duplex button. The Full-duplex LED blinks.
3 Long press the Change duplex button. The Full-duplex LED stays
on solid.
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Fiber Module
Xmt Link
Rcv Coll TX RX
15