The MM3-2FXM4/2TX1 module is a MICE media module designed and manufactured by Hirschmann. The module has two 100BASE-FX ports and two 10/100BASE-TX ports. The module supports the use of MM and TP cables and it has features like auto-crossing, auto-negotiation, and auto-polarity. The module connects to a power supply through the backplane of the host MICE switch.

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Warranty: 1 year Networking-Hardware Warranty Included
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Repairs: We offer repair service for the MM3-2FXM4/2TX1.
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About MM3-2FXM4/2TX1

The catalog number MM3-2FXM4/2TX1 is an order reference for a Hirschmann Fast Ethernet media module from the MICE series of managed switches and modules. This module is used with MICE switches and it is built to handle harsh operating conditions within an industrial environment. The MM3-2FXM4/2TX1 media module has two 100BASE-FX ports that are used with multimode fiber cables and ST sockets. In addition to that, the module has two 10/100BASE-TX ports with TP cables and RJ45 sockets. The 10/100BASE-TX ports support the auto-crossing, auto-polarity, and auto-negotiation functions. The supported TP or twisted pair cable length is 0 to 100 meters while the supported cable length of multimode fiber cables is 0 to 5000 meters or 0 to 4000 meters. The MM cable with the maximum cable length of 5000 meters is rated at 8 decibels of link budget at 1300 nm while the MM cable with the maximum cable length of 4000 meters is rated at 11 decibels of link budget at 1300 nm. 


The Hirschmann MM3-2FXM4/2TX1 Fast Ethernet media module uses the backplane of the host MICE switch for its power supply and it consumes 3.4 Watts of power during operation. The MM3-2FXM4/2TX1 media module is equipped with several LED indicators for diagnostics. These LEDs will show the condition of the power, link status, data, 100 megabits per second communication speed, auto-negotiation, full duplex, ring port, and LED test in the module. The MM3-2FXM4/2TX1 media module weighs around 180 grams (0.4 pounds) and it has the following dimensions (W x H x D): 38 x 134 x 118 millimeters (1.5 x 5.2 x 4.6 inches). The module has an IP 20 protection rating and it mounts on the switch backplane. Additionally, it should be mentioned that the MM3-2FXM4/2TX1 module tolerates a maximum shock of 15 g for 11 milliseconds duration and 1 to 3.5 millimeters of vibration.


Technical specifications


Managed Switches


2 x 100BASE-FX, 2 x 10/100BASE-TX Ports

0 to 100 meters

0 to 5000 meters or 0 to 4000 meters

Backplane of the MICE Switch

3.4 Watts

IP 20

180 grams (0.4 pounds)

38 x 134 x 118 millimeters (1.5 x 5.2 x 4.6 inches)

0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)

-40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit)


Common misspellings:

Common misspellings: