This multimode OM4 fiber optic MTP® trunk cable is made with Corning glass fiber and consists of an MTP® female connector on both ends. It is used in high-bandwidth data center applications for connecting switches or MTP cassettes. These cables are manufactured using MTP® branded connectors but are fully compatible with standard MPO cables and devices.

MPO/MTP Polarity: Method A vs. Method B
MPO/MTP cables can be configured in several different polarities: Method A, Method B, or Method C.
Method A is considered straight-through, with positions 1-1, 2-2, 3-3, etc.
Method B is considered crossover, with positions 1-12, 2-11, 3-10, etc.
Method C is the least common and is considered paired crossover, with positions 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 illustrate Method A and Method B polarities.
Method A

Method B

| Physical Characteristics |
| Color |
Violet |
| Cable Diameter |
3 mm |
| Fiber Count |
12 Fibers |
| Fiber Type |
Multimode OM4 50/125 Micron |
| Polarity |
Method A / Method B |
| Glass Manufacturer |
Corning ClearCurve OM4 Glass |
| Jacket Rating |
Plenum (OFNP) |
| Temperature Range |
0–60°C |
| Connector(s) |
| Connector A |
1 - 12-Position MTP® Female (No Guide Pins), Elite Connector |
| Connector B |
1 - 12-Position MTP® Female (No Guide Pins), Elite Connector |
| Performance |
| Insertion Loss |
≤0.35 dB |
| Return Loss |
≥20 dB |
| Testing |
100% IL, RL, and Interferometer Tested |
| Environmental |
| RoHS |
Compliant |
| UL |
c(UL)us Listed Cable |
| Packaging Information |
| Warranty |
Limited Lifetime |
| 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 |