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LFX2 
Fast Ethernet
Extender

The Lantronix LFX2 Fast Ethernet Extender is a
10/100 bridge which 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.

Cable extension for 100BASE-T networks -
regenerates packets and therefore supports
network diameters greater than those possi-
ble if only using hubs or repeaters

3.

Collision domain separation - reduces
unnecessary traffic on each segment which
allows for greater throughput 

The LFX2 has 2 10/100 RJ45’s, capable of
autosensing both speed and half/full duplex
operation. Each LFX is a self-learning bridge,
capable of supporting 8,192 addresses and per-
forming wirespeed filtering and forwarding. All
bridging functions are automatic - no manage-
ment software is required. The LFX2 conforms to
the IEEE 802.3 10BASE-T and IEEE 802.3u
100BASE-T standards. 

2

Summary of Contents for LFX2

Page 1: ...LFX2 Fast Ethernet Extender Installation Guide ...

Page 2: ...ore supports network diameters greater than those possi ble if only using hubs or repeaters 3 Collision domain separation reduces unnecessary traffic on each segment which allows for greater throughput The LFX2 has 2 10 100 RJ45 s capable of autosensing both speed and half full duplex operation Each LFX is a self learning bridge capable of supporting 8 192 addresses and per forming wirespeed filte...

Page 3: ...quipment If changes are made power the unit off and then on again to reset 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 is shipped with either a 120VAC 01 version or a 220VAC 02 version power supply Input power requireme...

Page 4: ...r switches The following cable configuration is suggested for the cables attached to an LFX2 LFX2 End MDI X MDI nodes ports ports Pin 1 TD TD RD TD Pin 2 TD TD RD TD Pin 3 RD RD TD RD Pin 6 RD RD TD RD 1 The cable between the LFX2 and an end node or another switch is straight through 2 The cable between the LFX2 and a hub or repeater is not straight through but rather a crossover transmit pairs an...

Page 5: ...n also be reached via email at support lantronix com or via telephone between the hours of 6 00 a m and 5 30 p m PST at 800 422 7044 USA or 714 453 3990 outside of the United States Your Lantronix LFX2 Fast Ethernet Extender is covered by a five year limited warranty WARNING This device complies with part 15 of the FCC rules Operation is subject to the following restrictions 1 this device may not ...

Page 6: ...5024 3 1991 3V m IEC 801 4 1988 prEN55024 4 1992 05kV Signal Lines 1kV Power Lines Supplementary Information The product complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Manufacturer s Contact Director of Quality Assurance Lantronix 15353 Barranca Parkway Irvine CA 92618 USA Tel 949 453 3990 Fax 949 453 3995 15353 Barranca Parkway Irvine CA 926...

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