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2.9 Making Fiber Connections
FX7 port and FX8 port operate on 100Mbps and full duplex.
The following figure illustrates a connection example between two fiber ports:
Make sure the Rx-to-Tx connection rule is followed on the both ends of the fiber cable.
Far End Fault Function
The FX ports are facilitated with this function, which conforms to IEEE 802.3u 100BASE-FX specifi-
cations. When the FX port detects a link failure on its receiving circuitry, it will send out an FEFI (Far
End Fault Indication) signal to the remote connected device to indicate a remote fault is detected. It
also is capable to receive FEFI signal sent from the remote link partner. Upon receiving an FEFI signal,
it indicates a link failure occurred on the transmitting path. This function allows the switch to report a
fiber link fault even when a link failure occurred on transmitting fiber cable.
Network Cables
Multimode (MMF) - 50/125, 62.5/125
Single mode (SMF) - 9/125
Note: Since the FX port shares the same switched port with 10/100TX connector, make sure
only one network cable type is used any time. In the case of both cable types are used
at the same time, FX port has higher priority.
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