SM 24cores MPO Female to 12x LC Duplex harness Cables assemblies
This high-density breakout assembly transitions a single 24-fiber MPO (Male) trunk into 24 individual LC Duplex connectors (12 pairs). Key features include:
- 0mm Breakout Legs: Utilizing robust 2.0mm OFNR/OFNP/LSZH jacketed fiber, this design offers superior tensile strength and crush resistance compared to standard 0.9mm fibers, ensuring durability during rigorous cable management in high-density environments.
- Fiber Options: Available in OS2 Single Mode (Yellow), OM3/OM4 Multimode (Aqua/Magenta), and Wideband OM5 (Lime Green).
- Connector Precision: Features low-insertion-loss MPO connectors (Type B polarity standard) and high-precision ceramic ferrule LC connectors, available in UPC or APC polish.
- Construction: Includes a reinforced breakout boot for strain relief and individual laser-printed labeling on each leg for easy identification.
Description
Optical’ s Specification:
| Spec items. | Single mode (APC 8-degree polished) | Multimode (PC Flat polish) |
| Insertion loss (MPO)
(IEC 61300-3-34) |
Standard loss：≤0.75dB(max), ≤0.35dB(Typical)
Super Low loss：≤0.35dB(max), ≤0.20dB(Typical) |
Standard loss：≤0.6dB(max), ≤0.35(Typical)
Super Low loss：≤0.35dB(max) , ≤0.20dB(Typical) |
| Insertion loss (LC/SC/FC/ST)
(IEC 61300-3-6) |
≤0.3dB | ≤0.3dB |
| Return loss(MPO) | ≥60dB（8degree polishing） | ≥25dB |
| Return loss(LC/SC/FC/ST) | APC≥60dB; UPC≥50dB | ≥35dB |
| Durability | <0.3dBtypical change, 200 matings | |
| Interchangeability | ≤0.2dB | |
| Tensile strength | >70N | |
| Operating Temperature | -40 to + 85°C | |
MPO End-Face 3D Interference Index
| Item (IEC-61300-3-30) | Minimum | Maximum | ||
| Radius of curvature (mm) | ROC-X(ABS) | 2000 | \ | |
| ROC-Y(ABS) | 50mm | \ | ||
| Angle | Angle-X | -0.2° | -0.2° | |
| Angle-Y | APC | 7.85° | 8.15° | |
| PC | -0.2° | -0.2° | ||
| Fiber height (nm) | 1000nm | 3500nm | ||
| Max.DH.All Fiber: | -300nm | 300nm | ||
| DH.Adj: | -300nm | 300nm | ||
| DH.Ave Fiber: | -300nm | 300nm | ||
| Core Dip: | SM | N/A | N/A | |
| MM | -200nm | 300nm | ||
LC/SC/FC/ST End-Face Geometry 3D Interference Index
| Items | Connector | PC End-face | APC End-face |
| Radius of Curvature | SC/FC/ST | 10~25 mm | 5~12 mm |
| LC/MU | 7~25 mm | 5~15 mm | |
| Apex Offset | ≤50 um | ||
| Fiber Spherical Height | +/- 100 nm | ||
| Angular Offset | —— | 8°± 0.5° | |
LC/SC/FC/ST 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 | ||
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
MPO Connector’s Details:
| Connector | Fiber Channel |
 |
 |
| MPO Female Connectors | 24 Fibers |
| Note: Female connector need to connect with male connector type. | |
| Connector | Reference | Housing Details |
| MPO Single Mode | IEC 61754-7 | SM APC: Green connectors+black boot (Standard Loss MPO)
SM APC: Yellow connectors+black boot (Super low loss MPO) |
| MPO Multimode | IEC 61754-7 | OM1&OM2 PC: Beige connectors+black boot (Standard Loss MPO)
OM3&OM4 PC: Aqua connectors+black boot (Standard&Super low loss MPO) OM3&OM4 PC: Heather Violet connectors+black boot (Standard loss MPO) |
- 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
Cable Parameters-16F Microfiber 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; Long term:80N |
| Outer sheath | material | / | LSZH, Plenum(OFNP),Riser(OFNR) |
| Temperature range | -20℃ ~ +70℃ |
Flame retardant Performance
| Cable material | Standard |
| LSZH | CPR : B2ca, Cca, Dca, Eca,Fca |
| OFNP&OFNR | UL-94V0 |
Cable Jacket Material
| 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.
Cable Drawing
This is Staggered harness cable, Each fanout cable length is different.
This is Straight harness cable, Each fanout cable length is 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% x 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: The 24F 2.0mm harness is specifically optimized for 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.
