4. Optical Performance
Insertion Loss (IL)
Connector | Single-mode (APC 8°) | Multi-mode (PC Flat) |
MPO (Standard) | ≤0.75 dB (Max), ≤0.50 dB (Typical) | ≤0.6 dB (Max), ≤0.50 dB (Typical) |
MPO (Super Low Loss) | ≤0.35 dB (Max), ≤0.20 dB (Typical) | ≤0.35 dB (Max), ≤0.20 dB (Typical) |
LC/SC/FC/ST | ≤0.3 dB | ≤0.3 dB |
Return Loss (RL)
Connector | Single-mode (APC) | Multi-mode (PC) |
MPO | ≥60 dB | ≥25 dB |
LC/SC/FC/ST | APC ≥60 dB; UPC ≥50 dB | ≥35 dB |
Mechanical & Environmental
• Durability: ≤0.3 dB typical change after 200 matings
• Interchangeability: ≤0.2 dB
• Tensile strength: >70 N
• Operating temperature: -40 °C to +85 °C
5. Mechanical Specifications
Fiber Count | Outer Diameter (OD) | Tensile Strength (N) | Crush Load (N/100mm) | Min Bending Radius |
8–12 | 3.0±0.15 mm | Short-term: 180; Long-term: 90 | Short-term: 500; Long-term: 150 | Static: 10D; Dynamic: 20D |
6. Connector & Structure Types
Type 1: MPO – 8×LC Simplex
• Fanout OD: 2.0 mm or 0.9 mm
• Fanout length: 0.5 m
• MPO: Female or Male
• Main cable OD: 3.0 mm
• Polarity: Flexible (Type A/B)
Type 2: MPO – 4×LC Duplex
• Fanout OD: 2.0×4.1 mm or 0.9 mm
• Fanout length: 0.5 m
• MPO: Female or Male
• Main cable OD: 3.0 mm
• Polarity: Fixed (Type A or B)
Type 3: MPO – 4×LC Uniboot
• Fanout OD: 2.0 mm or 3.0 mm
• Fanout length: 0.5 m
• MPO: Female or Male
• Main cable OD: 3.0 mm
• Polarity: Fixed (Type A or B)
• Space saving: up to 50% fanout space
7. End-Face Geometry (3D Interference)
MPO End-Face (IEC 61300-3-30)
Parameter | Min | Max |
ROC-X (ABS) | 2000 mm | – |
ROC-Y (ABS) | 50 mm | – |
Angle-X | -0.2° | -0.2° |
Angle-Y (APC) | 7.85° | 8.15° |
Angle-Y (PC) | -0.2° | -0.2° |
Fiber height | 1000 nm | 3500 nm |
Max DH (All fiber) | -300 nm | 300 nm |
LC/SC/FC/ST End-Face
Parameter | PC | APC |
Radius of Curvature (SC/FC/ST) | 10–25 mm | 5–12 mm |
Radius of Curvature (LC/MU) | 7–25 mm | 5–15 mm |
Apex Offset | ≤50 μm | – |
Fiber Spherical Height | ±100 nm | – |
Angular Offset | – | 8°±0.5° |
8. End-Face Quality (IEC 61300-3-35:2015)
Single-mode
• Zone A (Core, 0–25 μm): No scratches, no defects
• Zone B (Cladding, 25–115 μm): No scratches, no defects
• Zone C (Adhesive, 115–135 μm): No scratches, no defects
• Zone D (Contact, 135–250 μm): No scratches, no defects
• Zone E (Ferrule rest): No scratches, no defects
Multi-mode
• Zone A (Core, 0–65 μm): No scratches, no defects
• Zone B (Cladding, 65–115 μm): No scratches, no defects
• Zone C (Adhesive, 115–135 μm): No scratches, no defects
• Zone D (Contact, 135–250 μm): No scratches, no defects
• Zone E (Ferrule rest): No scratches, no defects
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