LFX2-MA
Fast Ethernet
Extender
Installation Guide
LFX2-MA
Fast Ethernet
Extender
The Lantronix LFX2-MA Fast Ethernet Extender is
a 10/100 bridge that can be used in a number of
ways in an Ethernet environment:
1. Conversion between 10 Mbps Ethernet and
100 Mbps Fast Ethernet - allows devices of
one speed to be connected to a segment
supporting the other speed
2. Network conversion - the LFX2-MA’s optional
MII and AUI interfaces allow different types
of 10 Mbps and 100 Mbps Ethernet media
to be bridged
3. Cable extension for 100BASE-T networks regenerates packets and therefore supports
network diameters greater than those possible
if using only hubs or repeaters
4. Collision domain separation - reduces
unnecessary traffic on each segment which
allows for greater throughput
The LFX2-MA has 2 10/100 RJ45 ports, each
capable of autosensing both speed and half/full
duplex operation. An alternate MII interface is
available on one port and an alternate AUI on
other. Each LFX is a self-learning bridge, capable
of supporting 8,192 addresses and performing
wirespeed filtering and forwarding. All bridging
functions are automatic - no management
software is required. The LFX2-MA conforms
to the IEEE 802.3 10BASE-T and IEEE 802.3u
100BASE-T standards.
2
3
Installation Tips
Note: These tips are additional to the Installation
Instructions that can be found on the back of
the unit.
▼ The RJ45 ports on the LFX2-MA are
autosensing for speed and for half/full
duplex operation. When the unit is powered
on, verify the correct modes of operation by
examining the LEDs for that port. No further
configuration is necessary. If the correct
mode of operation does not appear in the
LED display, check the cable and connecting
equipment. If changes are made, power
the unit off and then on again to reset.
▼ If the optional MII or AUI port is selected for
either one of the ports, then the RJ45 interface
on that port is rendered inoperative.
▼ If the Link/Duplex LED for a port is not lit,
please check the cable being used. The
port will only be operational if the LED is
green (Good Link/Half Duplex) or yellow
(Good Link/Full Duplex).
Power Requirements
The Lantronix LFX2-MA is shipped with either a
120VAC (-01 version) or a 220VAC (-02 version)
power supply. Input power requirements are 15
volts at 1.0 Amps.
CAUTION:
Not for installation in air ducts or plenums or
other environmental air handling spaces.
Changes or modifications to this device not
explicitly approved by Lantronix will void the
user’s authority to operate this device.
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