Interlogix MC251-4P-1S, MC250-4T-2S Specsheet
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)
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