12-Fiber Multimode OM4 MPO Female no guide pins to MPO Female no guide pins OFNP

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This multimode OM4 fiber optic MPO trunk cable is made with Corning glass fiber and consists of a MPO/MTP female connector on both ends. It is used in high bandwidth datacenter applications connecting switches or MPO/MTP cassettes.

MPO Polarity, Method A vs. Method B

MPO/MTP cables can be configured in a number of different polarities, method A, method B or method C.

Method A would be considered straight through, position 1-1, 2-2, 3-3 etc.

Method B is considered cross over, position 1-12, 2-11, 3-10 etc.

Method C would be the least common and is considered a paired cross over, position 1-2, 2-1, 3-4, 4-3 etc.

Infinite Cables stocks method A and method B cables. Method C cables are available by special order. The diagrams below further highlight method A and method B polarities.

Method A

Method B

Physical Characteristics
Color Aqua
Cable Diameter 3mm
Fiber Count 12 Fibers
Fiber Type Multimode OM4 50/125 Micron
Polarity Method A
Glass Manufacturer Corning Glass
Jacket Rating Plenum (OFNP)
Connector A 1 – 12-Position MPO Female (no guide pins) Elite Connectors
Connector B 1 – 12-Position MPO/PC Female (no guide pins) Elite Connectors
Insertion Loss ≤0.35 dB
Return Loss ≥20db
testing 100% IL, RL and Interferometer Tested
RoHS Yes
UL UL Listed Cable
Packaging Information
Package Quantity 1
Warranty Information
Warranty Limited Lifetime


Cable Weights

3ft – 1m 6ft – 2m 10ft – 3m 15ft – 5m 23ft – 7m 30ft – 10m 50ft – 15m 65ft – 20m 80ft – 25m 100ft – 30m 115ft – 35m 131ft – 40m 148ft – 45m 164ft – 50m
0.04 lbs 0.07 lbs 0.09 lbs 0.13 lbs 0.18 lbs 0.23 lbs 0.35 lbs 0.47 lbs 0.56 lbs 0.66 lbs 0.76 lbs 0.86 lbs 0.98 lbs 1.08 lbs

Additional information

MPO Polarity

Method A, Method B


115ft, 131ft, 148ft, 164ft, 65ft, 80ft, 100ft, 10ft, 23ft, 15ft, 30ft, 3ft, 50ft, 6ft