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Features

Specifications

Standards

IEEE802.3 10BASE-T, IEEE802.3u 100BASE-TX, 100BASE-FX (Fast Ethernet over Optical 

Fiber, 100Mbps), supports Full Duplex Ethernet mode (200Mbps)

FMC-10/100 supports transmission of Ethernet packets up to 1600 bytes. 

10/100BASE-TX RJ-45 Connectors

One RJ-45 connector provides auto MDI/X function for connection to either 

MDI-X (To PC) or MDI (To HUB) equipment.  This allows all UTP connections to 

be made using only a common straight-through UTP cable.

MDI-X type

MDI type

RJ-45 Pin

1

2

3

6

Rx+

Rx -

Tx+

Tx -

Tx+

Tx -

Rx+

Rx -

100Base-TX UTP Cable

Cable type: Category 5 or better                 

Maximum cable distance: 100 meters (328 feet)

Fiber Optic Connectors

For 1x9 fiber transceiver:   

Two connectors are provided for fiber optic cable connection. 

One is for transmission and the other is for reception of optical data.

For WDM type fiber transceiver:  

  

One SC connector is provided for fiber optic cable connection. 

For both transmission and reception of optical data. 

Please note that transceiver type “A” (TX1310/RX1550) must connect to transceiver type “B” 

(TX1550/RX1310) for proper fiber link. 

Environment

Temperature :  0

o

C – 50

o

C

Humidity:          5-95% non-condensing 

Power

FMC-10/100LF 

AC a12VDC / 400mA

DC plug type: Center Positive 

AC input: 100~240VAC

Frequency: 47-63Hz 

Dimension (H x W x D)

FMC-10/100LF:   73 x 108 x 23 mm    

Figure#1. Upper Panel of FMC-10/100LF

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CTC Union Technologies Co

.,

 LTD

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Fast Ethernet Over Fiber Media Converter

User Guide for
FMC-10/100LF

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Introduction

The 

FMC-10/100LF

 gives you the option to choose from the most 

popular fiber cabling connectors by providing you with ST, SC or FC 

connectors for your fiber optic cables and RJ-45 port for 10/100Base-TX 

twisted pair cable connection. The factory default settings of Ethernet 

auto-negotiation may be modified by adjustment of external DIP 

switches to force Full/Half 10/100 or LLF (Link Lose Forwarding) function 

settings. 

The 

FMC-10/100LF

 gives you the freedom to extend your 10/100Mbps 

cabling distance by allowing connectivity up to 120 kilometers over 

fiber. Six LED indicators signal the power status of the converter, UTP 

port speed, Link/Act, duplex status and FX port Link/Act and FEF (Far End 

Fault). 

 

Fiber 

Connector

LED 

Indicators

LAN

Connector

DIP

Switch

Fiber  Connector

LED  Indicators

LAN Connector

DIP Switch

DC Jack

DC

Jack

Figure#1. Converter Overview

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