Interlogix MC251-4P-1CXT User Manual
IFS MC251-4P/1CXT User Manual
P/N 1072578 • REV 00.05 • ISS 30JAN13
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© 2013 UTC Fire & Security Americas Corporation, Inc.
Interlogix is part of UTC Climate Controls & Security, a unit of
United Technologies Corporation. All rights reserved.
The IFS MC251-4P/1CXT and logo are trademarks of United
Technologies.
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or registered trademarks of the manufacturers or vendors of
the respective products.
to the data sheet and user documentation for details. For the
latest product information, contact your local supplier or visit us
online at www.interlogix.com.
UTC Fire & Security Americas Corporation, Inc.
2955 Red Hill Avenue
Costa Mesa, CA 92626-5923, USA
EU authorized manufacturing representative:
UTC Fire & Security B.V., Kelvinstraat 7,
6003 DH Weert, The Netherlands
N4131
limits for a Class A digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable
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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
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could void the user's authority to operate the equipment.
this product may cause radio interference in which case the
user may be required to take adequate measures.
003. Cet appareil numérique de la classe A est conforme á la
norme NMB-003du Canada.
2004/108/EC (EMC Directive): Hereby, UTC Fire & Security
Americas Corporation, Inc. declares that this device is in
compliance with the essential requirements and other relevant
provisions of Directive 2004/108/EC.
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Contents
Overview 1
Package Contents 1
Ethernet over VDSL2 Bridge Description 1
Key Features 3
Hardware Overview 4
LED Indicators 5
System 5
VDSL/BNC 5
10/100Base-TX with PoE Port 5
Mode DIP Switch 5
Top Panel 7
Installation 8
Installing the MC251-4P/1CXT 8
MC251-4P/1CXT BNC/RJ-11 Connection 9
MC251-4P/1CXT Application Connection 10
Wiring the Power Inputs 13
Wiring the Fault Alarm Contact 14
Mounting Installation 15
Troubleshooting 19
FAQs 20
Specifications 22
Contacting Technical Support 24
IFS MC251-4P/1CXT User Manual i
Overview
Package Contents
Before installing the IFS MC251-4P/1CXT Industrial Ethernet
Converter, verify that the package contains the following
parts:
• MC251-4P/1CXT x1
• DIN Rail Kit x1
• Wall Mount Kit x1
• User’s Manual x1
If any of the items in the package are damaged or missing,
please contact your distributor or IFS sales rep. If possible,
retain the original carton and packaging material in case of
need to return the product for repair/replacement.
Ethernet over VDSL2 Bridge Description
IFS’s state-of-the-art Ethernet-over-VDSL2 products are based
on two core networking technologies: Ethernet and VDSL2
(Very-high-data-rate Digital Subscriber Line 2). This
technology offers the absolute fastest possible data
transmission speeds over existing copper telephone lines or
coaxial cables without the need for rewiring.
The IFS MC251-4P/1CXT PoE Industrial Ethernet Converter
has a switching architecture with 4 PoE RJ-45 10/100Mbps
Ethernet ports and one asymmetric or symmetric Ethernet
over VDSL port (Asymmetric means upstream and
downstream rate are not the same and Symmetric means
upstream and downstream rate are similar) – the VDSL port
can be RJ-11or BNC Connector.
The MC251-4P/1CXT can be set to Master or Slave mode via
a DIP switch. The MC251-4P/1CXT (RJ-11) is connected with
IFS MC251-4P/1CXT User Manual 1
another MC251-4P/1CXT device, the performance is up to
99/63Mbps for asymmetric data rate within 200m and up to
28/2Mbps at 1.4km. The MC251-4P/1CXT (BNC) performance
is up to 99/65Mbps for asymmetric data rate within 200m and
up to 31/4Mbps at 2.4km. This capability is ideal for use as an
Ethernet extender for your existing Ethernet network.
With 4 PoE interfaces, the MC251-4P/1CXT is the ideal for
small business and workgroups requiring to deploy PoE for the
wireless access points, IP-based surveillance camera or IP
phones in any places easily, efficiently and cost effective.
The IFS MC251-4P/1CXT Industrial Ethernet Converter is
engineered in a slim metal enclosure that conforms to IP30
standards for deployment in demanding industrial
environments.
The IFS MC251-4P/1CXT provides a lower cost replacement
and smooth migration for existing Long Reach Ethernet (LRE)
networks.
The cable specifications of the connection are listed as
following:
• 10Base-T, Category 3, 4 or 5 UTP
• 100Base-TX, Category 5, 5e or 6 UTP
• Ethernet over VDSL2, Twisted-pair Telephone Wires
• Ethernet over VDSL2 Coaxial Cable
Note: Slave devices (CPE) must connect to the Master device
(CO) through the telephone wire or coaxial cable. To define
the MC251-4P/1CXT as a Master or Slave, please refer to the
Mode DIP Switch section for more detail.
2 IFS MC251-4P/1CXT User Manual
Key Features
The MC251-4P/1CXT provides the following key features:
• 4 x Ports IEEE 802.3af Power over Ethernet Standard
• Each of PoE port provides 15.4 Watts
• Cost-effective VDSL2 Master / Slave bridge solution via
DIP Switch
• Selectable BNC and RJ-11 mode for the data transmission
• -40 to 75 Degree C operating temperature
• Redundant Power Design: 24V or 48V DC, redundant
power with polarity reverse protect function
• IP30 Aluminum metal case Protection
• Defines Asymmetric (Band Plan 998) and Symmetric band
plans for the transmission of Upstream and Downstream
signals
• Complies with IEEE 802.3, IEEE 802.3u and IEEE 802.3x
standards
• DMT (Discrete Multi-Tone) line coding
• Half Duplex Back Pressure and IEEE 802.3x Full Duplex
Pause Frame Flow Control
• Support up to 1536 bytes packet size, 802.1Q VLAN tag
transparent
• Integrated address look-up engine, support 2K absolute
MAC addresses
• VDSL2 Stand-Alone transceiver for simple bridge modem
application
• Selectable Target Band Plan and Target SNR Margin
• LED indicators for network diagnostics
• DIN Rail and Wall Mount Design
IFS MC251-4P/1CXT User Manual 3
Hardware Overview
The MC251-4P/1CXT provides 4 RJ-45 with PoE, 1 RJ-11
and 1 BNC port for network line connection. The 4 RJ-45 ports
with two different data rates – 10Mbps and 100Mbps. The
MC251-4P/1CXT will distinguish the speed of the incoming data
automatically.
This section describes the hardware features of the PoE
Industrial Media Converter. For easier control of the
4P/1CXT
, familiarity with its display indicators and ports. Front
panel illustrations in this chapter display the unit LED
indicators is important. Before connecting any network device
to the MC251-4P/1CXT, read this chapter carefully.
Figure 1: Front Panel
MC251-
4 IFS MC251-4P/1CXT User Manual
LED Indicators
System
LED
P1 Green Light Indicates that power 1 is active.
P2
FAULT
VDSL/BNC
LED
ACT
Color Function
Green
Green
Color Function
Green
Light indicates that power 2 is active.
Light indicates that either power 1 or power 2 does
Light
Blink
not have power.
Indicates that the VDSL link is established.
Indicates that the VDSL link is actively sending or
receiving data over that port.
Sync
Master
Slave
Green
Green
Green
Light
Fast
Blink
Slow
Blink
Light
Light
Indicates that the VDSL link is established.
Indicates that the VDSL link is at training status
(about 10 seconds).
Indicates that the VDSL link is at idle status.
Indicates that the VDSL Bridge is running in Master
mode.
Indicates that the VDSL Bridge is running in Slave
mode.
10/100Base-TX with PoE Port
LED
LNK/
ACT
PoE
in-Use
Color Function
Light
Green
Orange
Blink
Off Indicates that the port is link down.
Light
Indicates that the port is link up.
Indicates that the Converter is actively sending or
receiving data over that port.
Indicate the port is providing 48V DC in-line power.
(Ports 1-4).
Mode DIP Switch
The MC251-4P/1CXT provides 4 selective transmission
modes. By switching the transmission modes, you can obtain
a best transmission mode to suit the phone line quality or
IFS MC251-4P/1CXT User Manual 5
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