IFS Line / Network Transmission
MC251-4P/1S
MC250-4T/2S
4-Port Ethernet to SFP Industrial
Media Converters
OVERVIEW
IFS Ethernet to SFP Industrial Media Converters offer four
10/100Mbps Ethernet ports and 100Base-FX transmission on
either multi-mode or single mode optical utilizing SFP technology.
Specifically designed for stable and reliable operation in electrically
harsh and climatically demanding environments, the module’s slim,
IP-30 standard metal case accommodates DIN-rail or wall mounting
for efficient installation in multiple applications.
These converters are engineered with a high-performance switch
architecture capable of providing a non-blocking switch fabric and
wire-speed throughput as high as 1Gbps or 1.2Gbps. With the 2K
MAC address table, these media converters offer wire-speed packet
transfer performance without the risk of packet loss. The Flow
Control function allows these modules to deliver fast and reliable
data transfer. The MC251-4P/1S model provides full IEEE802.3-af
(15.4w) on each individual 4 ports, while the MC250-4T/2S model is
a non-PoE unit designed for drop-and-repeat applications.
Providing extended distance Ethernet transmission, these units are
well suited for remotely deployed edge devices such as IP cameras,
access control, VoIP and wireless access points.
STAN DAR D FEATU RES
RJ-45 Ports
• 4-Port 10/100Base-TX (MC250-4T/2S)
• 4-Port 10/100Base-TX w/PoE (MC251-4P/1S)
• Auto MDI/MDI-X
• Auto-negotiation
SFP Ports
• 1 SFP Port (MC251-4P/1S)
• 2 SFP Ports - Drop-and-Repeat (MC250-4T/2S)
MC 251-4 P/IS
PoE Support
High Performance Architecture
• Store-and-Forward switching architecture with wire-speed
filtering and forwarding rates
• Prevents packet loss with back pressure (half-duplex) and IEEE
802.3x PAUSE frame-flow control (full-duplex)
• Integrated address-lookup engine supports 2K absolute MAC
addresses
• CSMA/CD Protocol
• Automatic source-address learning and aging
• Support to handle up to 1522 bytes packet size
Power over Ethernet (PoE) (MC251-4P/1S only)
• Up to 4 IEEE 802.3af devices powered
• Complies with IEEE 802.3af Power over Ethernet End-Span PSE
• Supports up to 15.4 watts for each PoE port
• Auto detect powered device (PD)
• Circuit protection prevents power interference between ports
• Remote power feeding up to 328 ft. (100m)
Robust Hardened Design
• Slim IP-30 metal enclosure for protection
• Provides either DIN-rail or wall-mounting
• 24 ~ 48VDC or 24VAC Operation (MC251-4P/1S)
• 12 ~ 48VDC Operation (MC250-4T/2S)
• Redundant power with reverse-polarity protection
• Removable terminal block for master and slave power
• Alarm relay output for power-failure alert
• Voltage/surge-suppression
- EFT 6000VDC protection for power lines
- ESD 6000VDC protection for Ethernet
• Complies with IEC60068-2-xx standards for free-fall, shock
and vibration
• Wide operating temperature range of -40ºC ~ +75ºC
Warranty
• 3-year limited warranty
MC 250 -4T/ 2S
Non-PoE
interlogix.com
Specifications
RJ45 Ports MC251-4P/1S MC250-4T/2S
10/100Base-TX Connectors RJ-45 (4)
Port Configuration Auto MDI/MDI-X
Port Speed Auto-negotiate
Electro Static Discharge
(ESD) Protection
SFP Ports
Data Rate 100Base-FX
# of SFP Ports 1 2
Optical Fiber Type Varies by SFP
Optical Distance Varies by SFP
PoE (MC251-4P/1S only)
PoE Standard
PoE Power Supply Type End-Span
PoE Power Output Per Port 48VDC, 350mA. Max. 15.4Watts
Power Pin Assignment 1/2(+), 3/6(-)
Switch Performance
Switch Architecture Store-and-Forward
Switch Fabric 1Gbps / non-blocking 1.2Gbps / non-blocking
Throughput (Packet per second) 0.744Mpps@64bytes 0.892Mpps@64bytes
Address Table 2K entries
Shared Data Buffer 1Mbit on-chip frame buffer
Maximum Frame Size 1522 Bytes packet
Flow Control Back pressure for Half-Duplex, IEEE 802.3x PAUSE Frame for Full-Duplex
LED Indicators
Power Power input 1 – Green; Power input 2 – Green
Power Fault Proper Operation – Off; Fault –Green
RJ-45 (10/100Mbps) 100Mbps Activity – Green; 10Mbps Activity – Off
Fiber (100Base-FX) Connected to network – Green
Optical Link Link established – Steady Green; TX/RX Activity – blinking green
PoE (MC251-4P/1S only) PoE in use – Amber -
Electrical & Mechanical
Supply Voltage 24 ~ 48VDC or 24VAC 12 ~ 48VDC
Power Consumption (Full load) 77Watts Max. 16Watts Max.
Electrical Fast Transient
(EFT) Protection
Power and Alarm Fault
Connector
Alarm Fault Relay Provides one relay output for power failure notification; 24VDC – 1A max.
Enclosure IP-30 slim-type metal enclosure
Mounting DIN-rail kit and wall-mount ears
Dimensions (in/mm) (W x D x H) 2.20 x 3.46 x 5.31 in (56 x 87.6 x 135 mm) 1.26 x 3.46 x 5.31 in (32 x 87.6 x 135 mm)
Weight (lbs./kg) 1.86 lbs./0.842kg 0.97 lbs./0.442kg
Environmental
MTBF > 100,000 Hrs @ 25°C
Operating Temperature -40°C ~ 75°C
Storage Temperature -40°C ~ 85°C
Relative Humidity 0% ~ 90% (non-condensing)
Standards Compliance
IEEE Standards
IEC Standards
EIA/TIA-568 Standards 2-Pair UTP Cat. 3, 4, 5 (100meters, max.) EIA/TIA-568 100-ohm STP (100meters, max.)
Regulation FCC Part 15 Class A, CE
6KVDC
IEEE 802.3af Power over Ethernet / PSE
6KVDC
6-pin removable screw terminal
IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX /100Base-FX
IEEE 802.3x Flow Control and Back pressure
IEEE802.3-af PoE (15.4w) – MC251-4P/1S only
IEC60068-2-32 (Free fall)
IEC60068-2-27 (Shock)
IEC60068-2-6 (Vibration)
Dimensional Diagrams
MC251-4 P/1S
Front
.60 in. (15.27mm)
P1 P2 FAULT
5
Mini-GBIC
LNK/ACT
PoE In-Use
LNK/
4
ACT
3
5.31 in. (135mm)
2
LNK/
1
ACT
PoE
In-Use
MC251-4P/1S
MC 250-4T/2S
Front
.60 in. (15.20mm)
P1 P2 FAULT
100
6
LNK/
ACT
100
5
LNK/
ACT
10/100
LNK/
ACT
.36 in. (9.20mm)
4
3
2
1
MC250-4T/2S
.36 in. (9.20mm)
3.46 in.
(87.80mm)
3.81 in.
(96.87mm)
Side
3.46 in.
(87.80mm)
Side
1.86 in.
(47.30mm)
1.92 in.
(48.80mm)
1.53 in.
(38.83mm)
Top
V1- V1+ V2- V2+
PWR1
PWR2Fault
Input
DC12~48V
5.31 in. (135mm)
.35 in.
(9mm)
Top
(3mm)
V1- V1+ V2- V2+
PWR1
PWR2Fault
Input
DC24V/48V
1.18 in. (30mm)
2.20 in.
(56mm)
Side
1.18 in. (30mm)
Side
Rear
(18mm)
Mounting Kit
1.10 in. (28mm)
3.74 in. (95mm)
Mounting Kit
Rear
1.97 in. (50mm)
4.21 in. (107mm)
.71 in.
DIN-Rail
Kit
6.89 in. (175mm)
1.92 in. (48.80mm)
.71 in.
(18mm)
1.57 in.
(40mm)
DIN-Rail
Kit
1.10 in.
(28mm)
Mounting
Kit
.71 in. (18mm)
Mounting
Kit
MC251-4P/1S
MC250 -4 T/2S
4-Port Ethernet to SFP Industrial
Media Converters
North America
T 855-286-8889
Asia
T 852-2907-8108
Australia
T 61-3-9239-1200
Europe
T 32-2-725-11-20
Latin America
T 561-998-6114
Ordering Information
MC251-4P/1S
MC250-4T/2S
Included Accessories
Note: These units require a Small Form-factor Pluggable (SFP) for operation. IFS SFPs are
available for multi-mode, single mode, 1 or 2 fibers for various transmission distances over
optical fiber. Please refer to the IFS SFP data sheet to select the appropriate SFP for your
particular application needs. This unit uses Fast Ethernet SFPs only.
Note: External power supply must be ordered separately.
4-Port Fast Ethernet/PoE-AF to 1-Port SFP Fiber
Industrial Media Converter
4-Port Fast Ethernet to 2-Port SFP Fiber Industrial Media
Converter
User’s Manual, DIN Rail Kit, Wall Mount Kit
Typical Applications
Point-to-Point Application
Redundant Power
and
Alarm Fault Relay
IP PoE Camera
IP PoE Access
IP PoE Intercom
Remote
Gate
Location
Cat 5e Cable
100m (328 ft.) Max.
MC251-4P/1S
Distance varies by SFP
Alternate application using two modules
Redundant Power
and
Alarm Fault Relay
Accessories
SFP
SFP
PS12VDC1.5A-U
HLG-240-48
PS48VDC100W-DIN
MC250-4T/2S
Network Fiber Switch
Cat 5e Cable
100m (328 ft.) Max.
S20 Series
S25 Series (wide-temp)
12VDC@1.5A External Power Supply (for use with MC2504T/2S only)
48VDC High Temperature Industrial Power Supply
48VDC@2A (100W) DIN-Rail Mount Hardened Power Supply
(100~240VAC)
To
NVR
Access
Control
Intercom
Drop-and-Repeat Application
Distance varies
by SFP
MC250-4T/1S
IP Camera Access IP Intercom
Gate #1
Redundant Power
and
Alarm Fault Relay
MC250-4T/1S
IP Camera Access IP Intercom
Gate #2
Redundant Power
and
Alarm Fault Relay
Distance varies
by SFP
IP Camera Access IP Intercom
Redundant Power
Alarm Fault Relay
MC250-4T/1S
Gate #3
and
Distance varies
by SFP
Network Fiber Switch
interlogix.com
Specifications subject to change without notice.
© 2012 Interlogix.
All rights reserved.
210-3577 2012/10 (71654C)
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