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Quick-Start Guide

To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.

Manual Revision: June 2, 2020 2:08 PM

Product Diagram (IMC100MSFP)

Component

Function

1

PWR LED

• 

Green:

 An external 

DC Power Source

 is 

detected.

• 

Off:

 An external 

DC Power Source

 is not 

detected.

2

LK/Act LED

• 

Green:

 Indicates that a link is detected on the 

SFP

.

• 

Flashing:

 Indicates that data is being 

transmitted or received.

3

RJ45 Port

•  Connect a 

Network Device

 to the 

Media 

Converter

.

Green:

• 

On:

 A network connection is detected.

• 

Flashing:

 The 

Media Converter

 is 

transmitting/receiving data.

Amber:

 

• 

On:

 100Mbps network speed detected.

• 

Off:

 10Mbps network speed detected.

Industrial RJ45 to Open SFP Media Converter | Fast Ethernet 10/100 Mbps

4

DIP Switch

DIP 1:

• 

Up:

 Enables converter mode.

• 

Down:

 Enables switch mode (default).

DIP 2:

• 

Up:

 Enables Link Fault Pass-Through (LFP) 

function, LFP highlights link failures, by forcing 

a link down between both connections during 

a link failure.

• 

Down:

 Disables LFP function (default).

5

SFP Slots

•  Connect an 

SFP

 (100BASE-X) to the 

Media 

Converter

.

6

3-Pin Terminal Block

•  Connect an external 

DC Power Source

 (12-56V 

DC Input) to the 

Media Converter

.

Requirements

For the latest requirements, please visit 

www.startech.com/IMC100MSFP

•  Network Equipment (ex. Router, Network Switch) x 1
•  MSA-Compliant 100BASE-X SFP Transceiver Module x 1
•  RJ45 Terminated UTP/STP CAT5e (or better) Network Cable x 1
•  Terminated Fiber Optic Cable (dependent on SFP Module) x 1
•  DC Power Source x 1
•  Phillips Head Screwdriver x 1
•  Small Flat Head Screwdriver x 1

Powering the Media Converter

Connecting and installing the 

3-Wire Terminal Connector

 must be completed by a 

licensed Electrician.

Notes: 

Make sure that you turn off the power source before connecting the power wire 

to the 

Media Converter

.

Do not exceed the recommend power source voltage as it may result in personal or 

product damage.

1.  Using a 

Small Flat Head Screwdriver

, loosen the V- and V+ screws on the 

3-Wire 

Terminal Connector

 (included).

1

6

2

3

5

4

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