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Industrial Ethernet media converter--WESTERMO
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The MCW-211 is an unmanaged media converter designed for easy use in heavy duty industrial applications.
The MCW-211 transparently converts between 10/100Base-TX and 100Base-FX. A number of standard fibre optic connection types are supported including LC, SC and ST. The unit supports 802.1Q long packets which allows all standard industrial Ethernet protocols to to be used.

The MCW-211 is designed for use in industrial applications and so has dual power inputs for 10 to 57 VDC operation.
Total galvanic isolation between the power supply and TX port helps to avoid ground loop currents and hence provide ultra reliable connections. The IP 21 rating ensures that the unit can be installed in locations where condensed water
may occur.

Only industrial grade components are used which gives the MCW-211 an MTBF of 540,000 hours and ensures a long service life. A wide operating temperature range of –25 to +70°C (–13 to +158°F) can be achieved with no moving parts. The MCW-211 has been tested both by Westermo and external test houses to meet many EMC, isolation, vibration and shock standards, all to the highest levels suitable for heavy industrial environments.

Easy to understand LED indicators provide simple diagnostics if network problems arise. The link fault forward function helps to transfer indication of media failure onto connected ports to ensure that the MCW-211 can be used in resilient network structures. Data rate and flow control can be locked by DIP switch which can eliminate problems with old legacy Ethernet equipment that is unable to support auto negotiation.



Product description
Status Active
Article number 3645-0050, MCW-211-MM-LC2
3645-0001, MCW-211-MM-SC2
3645-0010, MCW-211-MM-ST2
3645-0020, MCW-211-SM-SC15
3645-0030, MCW-211-SM-LC15
3645-0040, MCW-211-SM-LC40
Ports 1 x 10 Mbit/s or 100 Mbit/s, Ethernet TX
1 x 100 Mbit/s, Ethernet FX
Description Industrial Ethernet Media Converter
Warranty period 5 Years
Marine DNV Standard for Certification no. 2.4
Applicable only for 3645-0030, 3645-0040 , 3645-0050
(MCW-211-SM-LC15, MCW-211-SM-LC40, MCW-211-MM-LC2)
Reliability prediction
Service life, operating Operating, 10 year
EMC (Electromagnetic Compatibility)
EN 61000-6-2 Immunity industrial environments
EN 61000-6-4 Emission industrial environments
EMC specifications
EN 61000-4-2, ESD Enclosure contact, ± 4 kV
Enclosure air, ± 8 kV
IEC 61000-4-3, RF field AM modulated Enclosure, 10 V/m 80% AM (1 kHz), 80 – 2700 MHz
EN 61000-4-4, fast transients Signal ports, ± 1 kV
Power ports, ± 2 kV
EN 61000-4-5, surge Signal ports balanced, ± 2 kV line to earth, ± 1 kV line to line
Power ports, ± 2 kV line to earth, ± 2 kV line to line
EN 61000-4-6, conducted RF immunity Signal ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
Power ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
EN 61000-4-29, voltage dips and interruption DC power ports:
10 & 100 ms, interruption
10 ms, 30% reduction
10 ms, 60% reduction
+20% above & –20% below rated voltage
EN 55022, radiated RF emission Enclosure, class A
EN 55022, conducted emission DC power ports, class A
EN 60950-1, dielectric strength Signal port to other isolated ports, 1.5 kVrms 50 Hz 1 min
Temperature, operating –25 to +70ºC (–13 to +158ºF)
Temperature, storage –40 to +70ºC (–40 to +158ºF)
Humidity, operating 5 to 95% relative humidity
Humidity, storage 5 to 95% relative humidity
Enclosure UL 94, PC / ABS, flammability class V-1
Dimensions (W x H x D) 34 x 123 x 121 mm (1.33 x 4.84 x 4.76)
Weight 0.25 kg
Degree of protection IP 21
Cooling Convection
Mounting Horizontal on 35 mm DIN-rail
IEC 60068-2-6, vibration Operating:
7.5 mm, 5 – 8 Hz
2 g, 8 – 500 Hz
15 g, 11 ms
Interface specifications, power
Rated voltage 12 to 48 VDC
Operating voltage 10 to 60 VDC
Rated current 200 mA @ 12 VDC
100 mA @ 24 VDC
50 mA @ 48 VDC
Rated frequency DC
Inrush current 0.03 A²s @ 12 VDC
Startup current 0.75 A peak
Polarity Reverse polarity protected
Redundant power input Yes
Isolation to Ethernet TX
Ethernet FX
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable Not required
Interface specifications, 10/100BaseTX
Electrical specification IEEE std 802.3. 2000 Edition
Data rate 10 Mbit/s or 100 Mbit/s, manual or auto
Duplex Full or half, manual or auto
Transmission range 100 m / 327 ft
Isolation to Power
Connection RJ 45
Interface specifications, 10/100BaseFX
Electrical specification IEEE std 802.3. 2000 Edition
Data rate 100 Mbit/s
Duplex Full or half
Connection SC, ST or LC


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