Interlogix MC250-1T-1S User Manual

IFS MC250-1T/1S User Manual

P/N 1072573 • REV 00.06 • ISS 30JAN13

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to the data sheet and user documentation for details. For the
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6003 DH Weert, The Netherlands

N4131

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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 i

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.

IFS MC250-1T/1S User Manual 1

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

2 IFS MC250-1T/1S User Manual

Installation

This section describes the functionalities of the Industrial Fast
Ethernet Switch’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 Fast Ethernet

Switch” means the MC250-1T/1S.

Product Description

The MC250-1T/1S is an industrially hardened media converter
which is specially designed to operate from -40 to 75℃
temperature. The MC250-1T/1S provides highly reliable and
stable operations for demanding of environments.

The MC250-1T/1S provides a high level of immunity to
electromagnetic interference and heavy electrical surges
typical of environments found on plant floors or in curb side
traffic control cabinets. The feature of operating temperature
range of -40 to 75 Degrees C coupled with hazardous location
certification allows the media converter to be placed in almost
any location.

The MC250-1T/1S is packaged in a compact, IP-30 standard
metal enclosure that allows either DIN or panel mounting for
efficient use of cabinet space. The media converter provides
an integrated power supply with a wide range of voltages (12
to 48V DC) for worldwide operability or dual-redundant,
reversible polarity, 24V DC and 48V DC power supply inputs
for high availability applications requiring dual or backup power
inputs.

The MC250-1T/1S provides 1 x 10/100Base-TX and 1 x
100Base-FX optic-fiber SFP interface.

IFS MC250-1T/1S User Manual 3

With the Fast Ethernet SFP interface, the MC250-1T/1S
extends the transmission distances from 220m to 70Km. The
actual distance is defined by the Fast Ethernet SFP module
selected.

The IFS family of Fast Ethernet SFP modules comes with one
of the following models. The following list shows the available
Modules for MC250-1T/1S.

4 IFS MC250-1T/1S User Manual

Front Panel

The figure below shows the Front Panel of the MC250-1T/1S.

IFS MC250-1T/1S User Manual 5

LED Indicators

 System

LED Color Function

P1 Green Indicates that power 1 is on.
P2 Green Indicates that power 2 is on.
Fault Green Indicates either power 1 or power 2 has no power.

 Per 10/100Base-TX Port

LED Color Function

Link /

ACT

 Per 100Base-FX Port

LED Color Function

Link /

ACT

Green

Green

Light

Blink

Light

Blink

Indicates that the link through that port is
successfully established at 100Mbps.

Indicates that the Switch is actively sending
or receiving data over that port.

Indicates that the link through that port is
successfully established at 10 or 100Mbps.

Indicates that the Switch is actively sending
or receiving data over that port.

6 IFS MC250-1T/1S User Manual

Converter Top Panel

The top panel of the MC250-1T/1S consists of a terminal block
connector with two DC power inputs.

Wiring the Power Inputs

The 6-contact terminal block connector on the top panel of the
MC250-1T/1S is used for two DC redundant powers inputs.
Please follow the steps below to insert the power wires.

1. Insert positive / negative DC power wires into the contacts
1 and 2 for POWER 1, or 5 and 6 for POWER 2.

V1- V1+ V2- V2+

2. Tighten the wire-clamp screws to prevent the wires from
disconnecting.

IFS MC250-1T/1S User Manual 7

1 2 3 4 5 6

Power 1 Fault Power 2

- + - +

Wiring the Fault Alarm Contact

The fault alarm contacts are in the middle of the terminal block
connector as the picture shows below. Inserting the wires, the
MC250-1T/1S will detect the fault status of the power failure
and then forms an open circuit. The following illustration shows
an application example for wiring the fault alarm contacts.

1 2 3 4 5 6

Insert the wires into the fault alarm contacts

Note: The wire gauge for the terminal block should be in the

range between 12 ~ 24 AWG.
The alarm relay circuit accepts up to 30V, max. 3A current.

8 IFS MC250-1T/1S User Manual

Mounting Installation

This section describes how to mount the MC250-1T/1S and
make connections to it. Please read the following section and
perform the procedures in the order presented.

Note: In the installation steps below, this Manual uses the IFS

8 Port Industrial Gigabit Switch, GE-DSGH-8, as an example.
However, the steps for any IFS Industrial Switch & Industrial
Media Converter are similar.

Mounting to a DIN-Rail

The DIN-Rail kit comes assembled on the MC250-1T/1S out of
the box. Please refer to following figures to install the device
on a DIN-Rail.

IFS MC250-1T/1S User Manual 9

1. Lightly press down and push the bottom of the DIN-Rail
connector mount into the track.

2. Check that the DIN-Rail connector mount is tightly mounted
on the track.

3. Please refer to following procedures to remove the MC250­1T/1S from the track.

10 IFS MC250-1T/1S User Manual

4. Lightly press down and pull the bottom of DIN-Rail
connector mount to remove it from the track.

Mounting to a Wall

To install the MC250-1T/1S on the wall, please follow the
instructions described below.

1. Loosen the screws to remove the DIN Rail from the Media
Converter.

IFS MC250-1T/1S User Manual 11

2. Place the wall mount plate on the rear panel of the MC250­1T/1S.

3. Assemble the wall mount plate on the MC250-1T/1S

4. Use the hook holes at the corners of the wall mount plate

to hang the MC250-1T/1S on the wall.

12 IFS MC250-1T/1S User Manual

Installation Steps

Step 1: Unpack the Industrial Fast Ethernet Switch.
Step 2: Check that DIN-Rail is screwed on the Industrial Fast

Ethernet Switch. (Please refer to the DIN-Rail Mounting
section for DIN-Rail installation. If you want to wall mount the
Industrial Fast Ethernet Switch, then please refer to Wall
Mount Plate Mounting section for wall mount plate installation.

Step 3: To install the Industrial Fast Ethernet Switch on the
DIN-Rail track or wall, please refer to the Mounting Installation
section.

Step 4: Power on the Industrial Fast Ethernet Switch. (Please
refer to the Wiring the Power Inputs section for power input)
The power LED on the Industrial Fast Ethernet Switch will light
up. Please refer to the LED Indicators section for meaning of
LED lights.

Step 5: Prepare the twisted-pair, straight through Category 5
cable for Ethernet connection.

Step 6: Insert one side of Category 5 cables into the Industrial
Fast Ethernet Switch Ethernet port (RJ-45 port) and the other
side to the network device Ethernet port (RJ-45 port), ex:
Switch, PC or Server. The UTP port (RJ-45) LED on the
Industrial Fast Ethernet Switch will light up when the cable is
connected to the network device. Please refer to the LED
Indicators section for LED light meaning.

Step 7: Insert fiber cable from the MC250-1T/1S to the fiber
network. TX, RX must be paired at both ends. The optical port
LED on the MC251-1T/1S will illuminate when the connection
is established with network device. Please refer to the LED
Indicators section for LED light meaning.

Step 8: When all connections are set up and the LEDs
illuminate, the installation is completed.

IFS MC250-1T/1S User Manual 13

Switch Operation

Address Table

The Industrial Fast Ethernet Switch is implemented with an
address table. This address table is composed of many
entries. Each entry is used to store the address information of
each node in the network, including MAC address, Port No.,
etc. This information comes from the learning process of the
Industrial Fast Ethernet Switch.

Learning
When one packet comes from any port of the Industrial Fast

Ethernet switch, the Industrial Fast Ethernet Switch will record
the source address, port no. and other related information in
the address table. This information will be used to decide
either forwarding or filtering for future packets.

Forwarding & Filtering
When one packet comes from another port of the Industrial

Fast Ethernet Switch, it will also check the destination address
besides the source address learning. The Industrial Fast
Ethernet Switch will lookup the address-table for the
destination address. If not found, this packet will be forwarded
to all the other ports except the port which this packet came in.
And these ports will transmit this packet to the network it's
connected to. If found, and the destination address is located
at a different port from this packet comes in, the Industrial Fast
Ethernet Switch will forward this packet to the port where this
destination address is located according to the information
from address table. But, if the destination address is located at
the same port with this packet comes in, then this packet will
be filtered.

Store-and-Forward
Store-and-Forward is one type of packet-forwarding

techniques. A Store-and-Forward Industrial Switch stores the
incoming frames in an internal buffer and checks for any errors

14 IFS MC250-1T/1S User Manual

from the frames before transmission. Lack of error packet
occurrence is important for an efficient and stable network..

The Industrial Fast Ethernet Switch scans the destination
address from the packet-header, searches the routing table
provided for the incoming port and forwards the packet, only if
required. The fast forwarding makes the switch attractive for
connecting servers directly to the network, thereby increasing
throughput and availability. However, the switch is most
commonly used to segment existing hubs, which nearly always
improves overall performance. Ethernet Switching can be
easily configured in any Ethernet network environment to
significantly boost bandwidth using conventional cabling and
adapters.

Due to the learning function of the Industrial Fast Ethernet
Switch, the source address and corresponding port number of
each incoming and outgoing packet are stored in a routing
table. This information is subsequently used to filter packets
whose destination address is on the same segment as the
source address. This confines network traffic to its respective
domain, reducing the overall load on the network.

The Industrial Fast Ethernet Switch performs "Store-and­Forward" therefore, no error packets occur. More reliably, it
reduces the re-transmission rate. No packet loss will occur.

Auto-negotiation
The TP ports on the Industrial Fast Ethernet Switch have built-

in “Auto-negotiation”. This technology automatically sets the
best possible bandwidth when a connection is established with
another network device (usually at Power On or Reset). This is
done by detecting the modes and speeds at the moment both
devices are connected.

IFS MC250-1T/1S User Manual 15

Troubleshooting

This chapter contains information to help resolving issues. If
the Industrial Fast Ethernet Switch is not functioning properly,
make sure the device was set up according to instructions in
this manual.

The Link LED is not light

Solution:
Check the cable connection of the Industrial Fast Ethernet

Switch.
Performance is bad
Solution:
Check the speed duplex mode of the partner device. The

Industrial Fast Ethernet Switch is operating at Auto-negotiation
mode by default and if the partner is set to half duplex, then
the performance will become bad.

Link LED is illuminated but the traffic is irregular
Solution:
Check that the attached device is not set to dedicate full

duplex. Some devices use a physical or software switch to
change duplex modes. Auto-negotiation may not recognize
this type of full-duplex setting.

Why does the Industrial Fast Ethernet Switch not connect
to the network?

Solution:
Check every port LED on the Industrial Fast Ethernet Switch.
Try another port on the Industrial Fast Ethernet Switch to

make sure the cable is installed properly while making sure the
cable is the right type

Turn off the power and turn on the power again after waiting
for awhile.

16 IFS MC250-1T/1S User Manual

Specifications

Product MC250-1T/1S

Hardware Specification

10/100Base-TX Port
100Base-FX Port

Fiber Port Type
Cable Distance

Optical Frequency
Launch Power (dBm)
Receive Sensitivity

(dBm)
Maximum Input Power

(dBm)
Dimension (W x D x H)

Weight
Installation

Maximum Frame Size

135mm x 85mm x 32mm
430g

DIN rail kit and wall mount ear
1522bytes packet size

1 RJ-45 Auto-MDI/MDI-X port

1 SFP Slot

Deprends by SFP module

Flow Control

Enclosure

LED Indicator

Power Input

Power Consumption

Back pressure for half duplex, IEEE 802.3x Pause
Frame for full duplex

IP-30 Slim Type Metal Case

System:

 Power 1 (Green),
 Power 2 (Green),
 Fault (Green)

1x copper port:

 10/100 (Green)
 LNK/ACT(Green)

1 x 100FX port:

 100 (Green)
 LNK/ACT(Green)

12 to 48V DC Redundant power with polarity reverse
protection function

3 Watts/ 10BTU (maximum)

IFS MC250-1T/1S User Manual 17

When connecting to other Ethernet equipment such as a
Router, Bridge, Switch, or Hub, please refer to that device’s
Technical Manual.

RJ45 Pin Assignments

10/100Mbps, 10/100Base-TX

RJ-45 Connector pin assignment

MDI

Contact

1 Tx + (transmit) Rx + (receive)
2 Tx - (transmit) Rx - (receive)
3 Rx + (receive) Tx + (transmit)

4, 5 Not used

6 Rx - (receive) Tx - (transmit)

Media Dependant

Interface

MDI-X

Media Dependant

Interface -Cross

7, 8 Not used

RJ45 Cable Drawing

The following figure shows the pin allocation and color of a
straight cable, and connection of a crossover cable.

18 IFS MC250-1T/1S User Manual

Please make sure your connected cables are with same pin
assignment and color as above picture before deploying the
cables into your network.

IFS MC250-1T/1S User Manual 19

Contacting Technical Support

Contact technical support if you encounter any difficulties
during this installation. Please make sure you have the
requested diagnostic or log files ready before you contact us
by phone or go to www.interlogix.com/customer-support.

Technical Support

Europe, Middle East and Africa

W Select Contact Us at www.utcfssecurityproducts.eu

North America

T +1 855.286.8889
E [e-mail]

Australia

E [e-mail]

20 IFS MC250-1T/1S User Manual