
IFS MC250-1T/1S User Manual
P/N 1072573 • REV R00.03 • ISS 10SEP12

Copyright © 2012 UTC Fire & Security Company. All rights
reserved.
Trademarks and
patents
Interlogix, IFS MC250-1T/1S, the IFS Brand and
logo are trademarks of UTC Fire & Security.
Other trade names used in this document may be
trademarks or registered trademarks of the
manufacturers or vendors of the respective
products.
Manufacture
UTC Fire & Security Americas Corporation, Inc.
2955 Red Hill Avenue, Costa Mesa, CA
92626-5923, USA
Version This document applies to IFS MC250-1T/1S
version 1.0.
Certification
N4131
FCC compliance Class A: This equipment has been tested and
found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a commercial
environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not
installed and used in accordance with the
instruction manual, may cause harmful
interference to radio communications. Operation
of this equipment in a residential area is likely to
cause harmful interference in which case the user
will be required to correct the interference at his
own expense.
ACMA
compliance
Notice! This is a Class A product. In a domestic
environment this product may cause radio
interference in which case the user may be
required to take adequate measures.
European Union
directives
2004/108/EC (EMC directive): Hereby, UTC Fire
& Security declares that this device is in
compliance with the essential requirements and
other relevant provisions of Directive 2004/108/EC

2002/96/EC (WEEE directive): Products marked
with this symbol cannot be disposed of as
unsorted municipal waste in the European Union.
For proper recycling, return this product to your
local supplier upon the purchase of equivalent
new equipment, or dispose of it at designated
collection points. For more information see:
www.recyclethis.info.
Contact
information
www.utcfireandsecurity.com or
www.interlogix.com
Customer support
www.interlogix.com/customer-support

IFS MC250-1T/1S User Manual i
Contents
Overview 1
Package Contents 1
Product Features 2
Installation 3
Product Description 3
Front Panel 5
LED Indicators 6
Converter Top Panel 7
Wiring the Power Inputs 7
Wiring the Fault Alarm Contact 8
Mounting Installation 9
Installation Steps 13
Switch Operation 14
Troubleshooting 16
Specifications 17
RJ45 Pin Assignments 18
Contacting Technical Support 20

IFS MC250-1T/1S User Manual 1
Overview
This section describes the functionalities of the IFS MC2501T/1S Industrial Media Converter’s components and guides
how to install it on the desktop. Basic knowledge of networking
is assumed. Please read this chapter completely before
continuing.
In the following section, the term “Industrial Media
Converter” means the IFS MC250-1T/1S.
Package Contents
Check the contents of your package for the following parts:
• Industrial Media Converter x1
• User’s Manual x1
• DIN Rail Kit x 1
• Wall Mount Kit x 1
If any of these items are missing or damaged, please contact
your distributor or IFS sales rep immediately. If possible, retain
the original carton and packaging material in case of need to
return the product for repair/replacement.

2 IFS MC250-1T/1S User Manual
Product Features
Physical Port
MC250-1T/1S
1-Port 10/100Base-TX RJ-45
1-Port 100Base-FX SFP slot (Distance depends on
SFP module)
Industrial Design
Slim type IP-30 metal case
-40 to +75 Degree C operating temperature
DIN rail and wall mount design
12 to 48V DC, redundant power with polarity reverse
protection and detachable terminal block connectors
for master and slave power
Supports EFT protection 6000V DC for power line
Supports 6000V DC Ethernet ESD protection
Data Communication
Complies with the IEEE 802.3, IEEE 802.3u Fast
Ethernet standard
Auto-MDI/MDI-X detection and Auto-negotiation with
Half-Duplex / Full-Duplex modes for 10 /100Base-TX
RJ-45 port
Store-and-Forward switching architecture
Features Store-and-Forward mode with wire-speed
filtering and forwarding rates
Prevents packet loss with back pressure (Half-Duplex)
and IEEE 802.3x PAUSE frame flow control (FullDuplex)
Support to handle up to 1522bytes packet size
CSMA/CD protocol
Automatic source address learning and aging