4. Optical Performance
4.1 Insertion Loss (IL)
• MPO (Single‑mode, APC 8° polish)
￮ Standard: ≤0.75 dB (max), ≤0.50 dB (typical)
￮ Super low loss: ≤0.35 dB (max), ≤0.20 dB (typical)
• MPO (Multi‑mode, PC flat polish)
￮ Standard: ≤0.60 dB (max), ≤0.50 dB (typical)
￮ Super low loss: ≤0.35 dB (max), ≤0.20 dB (typical)
• LC/SC/FC/ST (all fiber types): ≤0.30 dB (max)
4.2 Return Loss (RL)
• MPO
￮ Single‑mode APC: ≥60 dB
￮ Multi‑mode PC: ≥25 dB
• LC/SC/FC/ST
￮ Single‑mode APC: ≥60 dB; UPC: ≥50 dB
￮ Multi‑mode PC: ≥35 dB
4.3 Mechanical & Environmental
• Durability: ≤0.30 dB typical change after 200 matings
• Interchangeability: ≤0.20 dB
• Tensile strength: >70 N
• Operating temperature: ‑40 °C to +85 °C
5. Connector Details
5.1 MPO Connector
• Compliant with IEC 61754‑7
• Single‑mode APC
￮ Standard loss: green housing + black boot
￮ Super low loss: yellow housing + black boot
• Multi‑mode PC
￮ OM1/OM2: beige housing + black boot
￮ OM3/OM4: aqua or heather violet housing + black boot
5.2 Single‑fiber Connectors (LC/SC/FC/ST/E2000)
• LC: IEC 61754‑20
• SC: IEC 61754‑4
• FC: IEC 61754‑13
• ST: IEC 61754‑2
• E2000: IEC 61754‑15
6. Cable Structure & Dimensions
6.1 Main Cable (12F Microfiber)
• Fiber count: 12
• Outer diameter: 3.0 ±0.15 mm
• Tensile strength
￮ Short‑term: 180 N
￮ Long‑term: 90 N
• Crush load
￮ Short‑term: 500 N/100 mm
￮ Long‑term: 150 N/100 mm
• Minimum bending radius
￮ Static: 10 × OD
￮ Dynamic: 20 × OD
6.2 Fan‑out Legs
• Fan‑out length: 0.5 m
• OD options: 0.9 mm, 2.0 mm, 2.0×4.1 mm, 3.0 mm
• MPO gender: male or female
7. Product Types
Type 1: MPO – 8×LC Simplex
• Fan‑out OD: 2.0 mm or 0.9 mm
• Polarity: flexible (Type A or B)
• Main cable OD: 3.0 mm
Type 2: MPO – 4×LC Duplex
• Fan‑out OD: 2.0×4.1 mm or 0.9 mm
• Polarity: fixed (Type A or B)
• Main cable OD: 3.0 mm
Type 3: MPO – 4×LC Uniboot
• Fan‑out OD: 2.0 mm or 3.0 mm
• Saves ~50% fan‑out space
• Polarity: fixed (Type A or B)
• Main cable OD: 3.0 mm
8. End‑face Geometry (3D Interference)
8.1 MPO End‑face (IEC 61300‑3‑30)
• Radius of curvature (ROC):
￮ X: ≥2000 mm
￮ Y: ≥50 mm
• Angle:
￮ APC: 7.85° to 8.15°
￮ PC: ‑0.2° to +0.2°
• Fiber height: 1000 nm to 3500 nm
• Fiber displacement (max, adj, ave): ‑300 nm to +300 nm
• Core dip (multi‑mode): ‑200 nm to +300 nm
8.2 LC/SC/FC/ST End‑face
• Radius of curvature
￮ SC/FC/ST PC: 10–25 mm; APC: 5–12 mm
￮ LC PC: 7–25 mm; APC: 5–15 mm
• Apex offset: ≤50 μm
• Fiber spherical height: ±100 nm
• Angular offset (APC): 8° ±0.5°
8.3 End‑face Quality (IEC 61300‑3‑35)
No scratches or defects allowed in core, cladding, adhesive, contact, or ferrule zones.
9. Applications
• Single‑mode: 40G QSFP+ PLR4 to 10G SFP+ LR; high‑density data centers
• OM3/OM4 multi‑mode:
￮ 40G QSFP+ SR4 to 10G SFP+ SR
￮ 100G QSFP SR4 to 25G SFP‑25G‑SR‑S
• High‑density data center patching
• Fiber‑to‑building connectivity
• Equipment internal optical connections
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