
10/100 Mbps Ethernet Electrical to Optical Media Converter
CNFE2MC, CNFE22MC,
CNFE2MC/M & CNFE2MCAC/M
1 OR 2 CHHARDENED AC OR DC CONVERTER
The ComNet™ Ethernet media converters are designed to transmit and receive
10/100 Mbps data over optical fiber through user selectable SFP options. The
CNFE2MC[AC][/M] transmits and receives a single channel of Ethernet data and
the CNFE22MC transmits and receives two independent channels in one unit. Both
are environmentally hardened to operate in extreme temperatures. Packaged in
the exclusive ComNet ComFit housing, the CNFE2MC and CNFE22MC units may
be either wall or rack-mounted, or may be DIN-rail mounted by the addition of
ComNet model DINBKT1 adaptor plate. The small-size CNFE2MC/M is available for
either AC or DC power.
FEATURES
› 10/100 Mbps Ethernet
• 10/100 BASE-T/TX electrical port
• 100 BASE-FX optical port
› Electrical port suppor ts Auto-Negotiation for 10 Mbps or
100 Mbps, full duplex or half duplex data.
› Optical port supports 100 Mbps full duplex data
› Automatic MDI/MDI-X crossover
› Distances up to 80 km with optional SFPs
› Designed to meet full compliance with the environmental
requirements (ambient operating temperature, mechanical
shock, vibration, humidity with condensation, high-line/lowline voltage conditions and transient voltage protection) of
NEMA TS-1/TS-2 and the Caltrans Specification for Traffic
Signal Control Equipment.
› Uses interchangeable SFP modules for fiber type, distance
and connector
› Voltage transient protection on all power and signal input/
output lines provides protection from power surges and
other voltage transient events.
› No in-field optical adjustments required
› CNFE2MC and CNFE22MC are hot-swappable rack modules
› CNFE2MC and CNFE22MC are interchangeable between
stand-alone or rack mount use – ComFit
› LED indicators provided for confirming equipment
operating status
› IEEE 802.3 compliant
› Lifetime Warranty
APPLICATIONS
› 10/100 Mbps Ethernet Media Converter
› High-Performance Computer Links
* Small Form-Factor Pluggable Module. Sold separately.
LIFETIME WARRANTY WWW.COMNET.NET TECH SUPPORT: 1.888.678.9427

CNFE2MC, CNFE22MC,
CNFE2MC/M & CNFE2MCAC/M
SPECIFICATIONS
10/100 Mbps Ethernet Electrical to Optical Media Converter
Data
Data Interface Ethernet
Data Rate 10/100 Mbps
IEEE 802.3 Compliant
Full Duplex or Half Duplex Electrical Port/Full
Duplex Optical Port
1
Fibers
SFP Dependent
Fiber Connectors Requires selection of sold-separately SFP
modules. See ComNet data sheet for number and
description of SFP modules
Connectors
Power Terminal Block
Electrical RJ45
LED Indicators - Optical Link/Data Activity
- Power
Power
Operating Voltage Range 8-15 VDC (CNFE2MCAC/M: 24VAC)
Power Consumption 4W (CNFE2MCAC/M: 3W)
Electrical & Mechanical
Number of Rack Slots 1
Current Protection Automatic Resettable Solid-State Current Limiters
Circuit Board Meets IPC Standard
Size
CNFE2MC, CNFE22MC 6.1 x 5.3 x 1.1 in (15.5 x 13.5 x 2.8 cm)
CNFE2MCM 3.3 x 2.5 x 1.1 in (8.4 x 6.4 x 2.8 cm)
Shipping Weight <2 lbs./0.9 kg
Environmental
MTBF >100,000 hours
Operating Temp -40˚ C to +75˚ C
Storage Temp -40˚ C to +85˚ C
Relative Humidity 0% to 95% (non-condensing)
[1] Multimode fiber needs to meet or exceed fiber standard ITU-T
G.651. Single mode fiber needs to meet or exceed fiber standard
ITU-T G.652
2
ORDERING INFORMATION
Part Number Description
CNFE2MC ComFit 10/100 Mbps Ethernet Media Converter
CNFE22MC ComFit 2 Channel 10/100 Mbps Ethernet Media Converter
CNFE2MC-M Small-size 10/100 Mbps Ethernet Media Converter
CNFE2MCAC/M Small-size 10/100 Mbps Ethernet Media Converter with AC power
Accessories DC Plug-in Power Supply, 90-264 VAC, 50–60 Hz (Included)
Options [2] Add suffix ‘/C’ for Conformally Coated Circuit Boards to extend to condensation conditions (Extra charge, consult factory)
DIN-Rail Mounting Adaptor Plate Kit - With Mounting Hardware (Optional, order model DINBKT1)
NOTE: This product requires a fiber installation with a minimum 30 dB connector return loss. The use of Super Polish Connectors is
recommended. Complies with FDA Performance Standard for Laser Products, Title 21, Code of Federal Regulations, Subchapter J.
In a continuing effort to improve and advance technology, product specifications are subject to change without notice.
TYPICAL APPLICATION
E
E
CNFE2MC
CNFE2MC
SFP Dependent selection
of Fiber Optic Cable(s)
E
CNFE22MC
E
OPTICAL FIBER
CAT 5e/6
3 CORPORATE DRIVE
8 TURNBERRY PARK ROAD
© 2013 Communic ation Netwo rks. All Right s Reserv ed. “ComNet ” and the “ComNe t Logo” are regi stered tra demarks of Com munication Ne tworks.
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GILDERSOME
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MORLEY
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USA
T: 203.796.5300
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LEEDS, UK LS27 7LE
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F: 203.796.5303
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T: +44 (0)113 307 6400
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F: +44 (0)113 253 7462
TECH SUPPORT: 1.888.678.9427
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INFO-EUROPE@COMNET.NET
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INFO@COMNET.NET
26 Sep 2013