24 cores MTPĀ® to 12x LC Duplex harness Cables assemblies
The series products are designed for ultra-high-density data center environments, this 24-core MTPĀ® to 12x LC Duplex harness fanout cable delivers an efficient transition from parallel optics to discrete LC patching. Featuring a single 24-fiber MTPĀ® connector that breaks out into twelve duplex LC interfaces via ruggedized 2.0mm legs, it maximizes port utilization while providing superior physical durability and enhanced bend radius management in demanding rack spaces.
Available in SM (OS2), OM3, and OM4 fiber types, this plug-and-play assembly supports diverse high-speed transmission requirements, from 10G to 400G Ethernet applications. It is specifically optimized for breaking out high-capacity MTPĀ® trunks into standard LC infrastructure, making it ideal for 100G QSFP28 and 400G QSFP-DD parallel optics deployments.
The 2.0mm fanout legs offer excellent tensile strength, making them perfect for routing through dense cable managers and connecting core network trunks to access layer switches or high-performance storage arrays. Factory-terminated and 100% optically tested, each assembly guarantees minimal insertion loss and reliable signal integrity. By eliminating complex on-site splicing, this solution significantly accelerates deployment timelines and provides a future-proof pathway for next-generation network migrations.
Description
Optical Specification:
| Spec items. | Insertion lossĀ (IEC 61300-3-xx) | Return loss(IEC 61300-3-6 /TIA/EIA-455-107) | Standard |
| MTP SM | Standard MTPļ¼ā¤0.75dB(max), ā¤0.50dB(Typical) Elite MTP:ā¤0.35dB(max), ā¤0.20dB(Typical) |
APCā„60dB; PCā„50dB | IEC 61300-3-4 / TIA/EIA-455-34 |
| MTP MM | Standard MTPļ¼ā¤0.6dB(max), ā¤0.50dB(Typical) Elite MTP:ā¤0.35dB(max), ā¤0.20dB(Typical) |
PCā„50dB | IEC 61300-3-34 / TIA/EIA-455-61 |
| LC SM | ā¤0.3dB | APCā„60dB; PCā„50dB | IEC 61300-3-4 / TIA/EIA-455-34 |
| LC MM | ā¤0.3dB | PCā„50dB | IEC 61300-3-34 / TIA/EIA-455-61 |
End-Face 3D Interference Index
| Parameter | MTPĀ® | LC | Standard |
| Radius of Curvature, ROC | X: ā„ 2000 mm,Y: 50 mm | 10 ~ 25 mm (PC) 5 ~ 12 mm (APC) |
IEC 61300-3-30 |
| Fiber Height / Protrusion | -300 nm ~ +300 nm | ± 100 nm | IEC 61300-3-30 |
| Apex Offset | N/A | ⤠50 μm | IEC 61300-3-30 |
| Angle | 8.0° ± 0.5° (APC) | 8.0° ± 0.5° (APC) | IEC 61300-3-30 |
| Core Dip | “-200 nm ~ +300 nm (SM)” | N/A | IEC 61300-3-30 |
LC End-face Quality (SM)
| Zone | Range (μm) | Scratches | Defects | Reference |
| A: Core | 0 to 25 | None | None | IEC 61300-3-35:2015 |
| B: Cladding | 25 to 115 | None | None | |
| C: Adhesive | 115 to 135 | None | None | |
| D: Contact | 135 to 250 | None | None | |
| E: Rest of ferrule | None | None | ||
LC End-face Quality (MM)
| Zone | Range (μm) | Scratches | Defects | Reference |
| A: Core | 0 to 65 | None | None | IEC 61300-3-35:2015 |
| B: Cladding | 65 to 115 | None | None | |
| C: Adhesive | 115 to 135 | None | None | |
| D: Contact | 135 to 250 | None | None | |
| E: Rest of ferrule | None | None | ||
Ā
MTPĀ® Connector Types
| Connector | Fiber Channel |
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| MTPĀ® Female no pin Connectors | 12 Fibers |
| Note: Female connectorsĀ need to connect with male connector type. | |
MTPĀ® productsā Details& Standard:
| Connector | Reference | Housing Details |
| MTPĀ® Singlemode | IEC 61754-7 | SM APC: Green connectors+black boot (Standard Loss MTP)
SM APC: Yellow connectors+black boot (Elite MTP) |
| MTPĀ® Multimode | IEC 61754-7 | OM3 PC: Aqua connectors+black boot (Standard Loss&Elite MTP)
OM4 PC: Magenta connectors+black boot (Standard Loss&Elite MTP) |
- Meets IEC Standard IEC-61754-7; IEC61755, Telcordia GR-1435-CORE, JIS C5982; TIA-604-5(FOCIS5) compliant
- Structured cabling per TIA-568-C
- 10G Fiber Channel Compliant
- 40G and 100G IEEE 802.3
Ā
Cable Parameters-12FĀ MicrofiberĀ cable


| Item | Contents | Unit | Data |
| Fiber type | / | / | OS2 9/125um |
| Fiber Count | / | piece | 24 |
| Cable diameter | / | mm | 3.0±0.2 |
| Strength member | Material | / | Aramid Yarn |
| Max. tensile load | / | / | Short term:150N;Ā Long term:80N |
| Outer sheath | material | / | LSZH,Ā Plenum(OFNP),Riser(OFNR) |
| TemperatureĀ range | -20ā ~ +70ā |
Ā
Flame retardant Performance
| CableĀ material | Standard |
| LSZH | CPR : B2ca, Cca, Dca, Eca,Fca |
| OFNP&OFNR | UL-94V0 |
Ā
Cable Jacket Material
Ā
| Item | OFNP Plenum | LSZH | OFNR Riser |
| Smoke emission | Extremely low | Very low | Heavy black smoke |
| Toxic halogen gas | None | Zero | High (chloride) |
| Fire resistance rank | Highest | Medium | Medium-low |
| Plenum air space use | Allowed | Not UL certified, restricted | Strictly prohibited |
| Vertical riser shaft | Supported | Supported | Optimized for riser shafts |
| Rigidity & hardness | Stiff, firm texture | Soft, flexible | Moderate flexibility |
| Cost | Highest | Mid-range | Lowest |
24F MPO-LC Polarity.



Ā
Ā
CableĀ Drawing
&Polarity

This is StaggeredĀ harness cable, Each fanout cable lengthĀ isĀ different.

This is StraightĀ harness cable, eachĀ fanout cable lengthĀ isĀ same.
Length Tolerance
| Overall Length(L)(m) | length of tolerance(cm) |
| 0<L<1 | +5/-0 |
| 1<L<10 | +10/-0 |
| 10<L<40 | +15/-0 |
| 40<L | +0.5%Ā xĀ L/-0 |
Application
- Next-Generation 100G & 400G Breakout Cabling
As data centers evolve toward higher bandwidths, the 24-fiber harness is essential for supporting advanced parallel optics. It is widely deployed to break out 100G QSFP28 and 400G QSFP-DD transceivers into discrete LC channels. This allows network architects to seamlessly migrate from traditional 10G/25G infrastructure to ultra-high-speed 100G/400G Ethernet architectures while maximizing port utilization. - High-Capacity Backbone-to-Rack Transition
Serving as a critical bridge in structured cabling systems, this harness connects high-density MTP backbone trunks to individual access layer switches and LC patch panels. The ruggedized 2.0mm fanout legs provide superior tensile strength and crush resistance, making them highly reliable for routing through complex cable managers in congested Top-of-Rack (ToR) environments. - AI Smart Computing & HPC Cluster Interconnects
In the era of AI and Big Data, massive GPU clusters require ultra-low latency and high-bandwidth connectivity. This 24-fiber solution is extensively deployed in High-Performance Computing (HPC) and AI smart computing centers to deliver deterministic, low-latency links between core switches, server racks, and massive storage arrays. - Advanced SAN and Storage Area Networks
For enterprise storage environments demanding massive throughput, this harness facilitates high-speed Fibre Channel connections. It efficiently links high-bandwidth SAN switches to storage arrays, ensuring data integrity and stable signal transmission even in high-density, high-vibration rack spaces.
Summary:Ā The 24F 2.0mm harness is specifically optimized forĀ next-generation 400G breakout applications and AI/HPC cluster interconnects. It combines massive fiber capacity with the physical durability required for complex data center routing, providing a future-proof pathway for ultra-high-speed network migrations.
Features:
- 100% pre-terminated and tested in factory to ensure transfer performance.
- Low insertion loss, high return loss
- MT based Multi-fiber Connector, 4,8,12 and 24 fiber connector terminations and assemblies
- Economical solution for mass-termination of fiber
- Designed for low loss and standard loss SM and MM applications
- Ruggedized round cable, oval cable and bare ribbon options available
- Color coded housings available to differentiate fiber type, polish type and/or connector grade
- Good in repeatability and exchangeability













