MPO to MPO OM4 12-Fiber Type B Trunk Cable: MPO-MPO-OM4-12B
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MPO to MPO OM4 12-Fiber Trunk Cable Overview
Our MPO to MPO OM4 12-Fiber Type B Trunk Cable delivers reliable high-density connectivity for demanding data center environments. Featuring 12-fiber Type B reversed polarity with female-to-female MPO connectors, this trunk cable supports 50/125μm OM4 multimode fiber for 40G and 100G applications. UPC polish and magenta LSZH jacket ensure optimal performance and safety compliance at 100 meter length.
- Fiber Type: OM4 50/125μm Multi-Mode (MMF)
- Connector A: MPO-12 Female (UPC)
- Connector B: MPO-12 Female (UPC)
- Polish Type": UPC to UPC
- Max Cable Length: 100 m
- Jacket Color: Magenta (OM4 LSZH)
- Polarity: Type B (Reversed/Crossover)
- Fiber Count: 12 Fibers
- Jacket Type: LSZH (Low Smoke Zero Halogen)
MPO OM4 12-Fiber Trunk Cable Pricing
SKU:MPO-MPO-OM4-12B-LSZH-0.5MPO-MPO-OM4-12B-LSZH-0.5
Made to Order - 2 WeeksMade to Order - 2 WeeksMPO to MPO OM4 12-Fiber Type B Trunk Cable Specification
Fiber Type | OM4 50/125μm Multi-Mode (MMF) |
Connector A | MPO-12 Female (UPC) |
Connector B | MPO-12 Female (UPC) |
Connector Brand | SENKO |
Polish Type" | UPC to UPC |
Max Cable Length | 100 m |
Jacket Color | Magenta (OM4 LSZH) |
Polarity | Type B (Reversed/Crossover) |
Fiber Count | 12 Fibers |
Jacket Type | LSZH (Low Smoke Zero Halogen) |
Operating Wavelength | 850 / 1310 nm (Dual Window MMF) |
Jacket Diameter | 3 mm |
Glass Fiber | YOFC |
Attenuation @ 850 nm | 2.3 dB/km |
Attenuation @ 1310 nm | 0.6 dB/km |
Insertion Loss (MPO) | ≤0.75 dB Max (Standard) |
Return Loss (MPO) | ≥20 dB |
Minimum Bend Radius | 7.5 mm |
Installation Tensile Load | 66 N |
Long Term Tensile Load | 50 N |
Operating Temperature | -10°C to +70°C |
Storage Temperature | -40°C to +85°C |
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MPO to MPO OM4 12-Fiber Type B Trunk Cable Datasheet
v2Complete technical specifications and product details
MPO to MPO OM4 12-Fiber Type B Trunk Cable Description
The EdgeOptic MPO-MPO-OM4-12B is an MPO to MPO OM4 trunk cable for high-density data center and enterprise fiber connections. It terminates in MPO-12 female connectors on both ends, UPC to UPC polish, in a 12-fiber, Type B configuration.
The fiber is OM4 50/125μm multimode, rated for 850 nm and 1310 nm dual-window operation. Attenuation is 2.3 dB/km at 850 nm and 0.6 dB/km at 1310 nm. Insertion loss is 0.75 dB max (standard) and return loss is 20 dB minimum.
Type B (reversed, crossover) polarity is one of the array-polarity methods TIA-568.3-E defines for fiber trunk and patch cabling. In a Type B trunk, fiber position reverses end to end: fiber 1 on one end lands on position 12 at the other end, fiber 2 on 11, and so on. Confirm the polarity method used elsewhere in the link before installation.
The cable has a magenta LSZH jacket with a 3 mm diameter. Minimum bend radius is 7.5 mm. Installation tensile load is rated at 66 N and long-term tensile load at 50 N.
Operating temperature range is -10°C to +70°C, with storage from -40°C to +85°C. The cable terminates in female MPO connectors at both ends: parallel-optics transceivers such as QSFP28 100GBASE-SR4 modules use male, pinned MPO interfaces, so trunk and patch cords need female, unpinned connectors to avoid pin damage. This trunk is available in configurable lengths from 0.5 m to 100 m.
The MPO-MPO-OM4-12B's MPO connector interface follows IEC 61754-7. It is made to order. For custom lengths or project-quantity orders, contact our sales team.
Frequently Asked Questions
What is the difference between Type A and Type B MPO polarity, and why is this cable Type B?
TIA-568.3-E defines three array-polarity methods, A, B and C, for structured fiber trunk and patch cabling. In a Type A trunk, fiber position stays the same end to end (position 1 to position 1, position 12 to position 12). In a Type B trunk, fiber position reverses end to end: position 1 on one end lands on position 12 at the other end, position 2 lands on 11, and so on. This cable ships in Type B (reversed, crossover) polarity. When building a Method B channel, confirm that the trunk and patch cord polarity types at each end match the intended TIA-568.3-E method before connecting hardware.
Why are the MPO connectors on this trunk cable female?
Active parallel-optics transceivers, such as QSFP28 100GBASE-SR4 and 40GBASE-SR4 modules, use male MPO interfaces with exposed guide pins. Patch and trunk cords need female, unpinned MPO connectors so the cable mates to the transceiver's pins without damaging them. This cable's MPO-12 female connectors on both ends are built for that role, connecting directly to transceiver ports or to female-to-male adapter cables and cassettes elsewhere in the link.
What lengths is the MPO-MPO-OM4-12B trunk cable available in?
This trunk cable is available in configurable lengths from 0.5 m up to 100 m, not a single fixed length. Select the length that matches the run between patch panels, cassettes, or equipment in the specific deployment; length does not change the cable's fiber count, connector type, or Type B polarity configuration.