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NOTE
A long press is held for 2
seconds or more.
A short press is held for less
than 2 seconds.
Connecting to a device at full-duplex
Not all device manufacturers implement auto-negotiation of duplex
mode. To ensure the Fiber Module connects to the device at full-
duplex, force the duplex mode to full-duplex.
To force the duplex mode, use the Change duplex button:
1 Long press the Change duplex button. The Auto-negotiate LED
will blink.
2 Short press the Change duplex button. The Full-duplex LED will
blink.
3 Long press the Change duplex button. The Full-duplex LED will
stay on solid.
4 Configure the device on the other end for full-duplex. (See the
device’s documentation for specific instructions.)
Example configurations
The first example configuration shows the Fiber Module connecting to
another Express 10/100 Stackable Hub with a Fiber Module installed.
The second shows the Fiber Module connecting to an Intel Express
10/100 Fast Ethernet Switch.
Connecting to another Fiber Module at full-duplex
Fiber Module
Auto-negotiate
Full-duplex
Half-duplex
Change
duplex
Xmt Link
Rcv Coll
TX RX
This is a Fiber Module plugged into a hub running at either 10 or 100
Mbps. The module is then connected to another Fiber Module using
62.5/125-micron fiber optic cable. Both modules auto-negotiated to
full-duplex by default.