4. Optical Performance
4.1 Insertion Loss (MTP/MPO, IEC 61300‑3‑34)
Type | Standard Loss | Super Low Loss |
Multimode (PC polish) | ≤0.60 dB (max), ≤0.50 dB (typical) | ≤0.35 dB (max), ≤0.20 dB (typical) |
Singlemode (APC 8° polish) | ≤0.75 dB (max), ≤0.50 dB (typical) | ≤0.35 dB (max), ≤0.20 dB (typical) |
4.2 Return Loss
• Multimode (PC): ≥25 dB
• Singlemode (APC 8°): ≥60 dB
4.3 Mechanical Durability
• Durability: Typical change <0.3 dB after 200 matings
• Interchangeability: ≤0.2 dB
• Tensile strength: >70 N
4.4 MT Ferrule End‑Face 3D Parameters (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 fibers) | −300 nm | 300 nm |
DH (adjacent) | −300 nm | 300 nm |
DH (average fiber) | −300 nm | 300 nm |
Core dip (MM) | −200 nm | 300 nm |
5. Connector Design (MTP/MPO)
• Conformance: IEC 61754‑7
• Polishing: PC for multimode; APC 8° for singlemode
• Housing color coding:
￮ OM3/OM4 multimode PC: Aqua or heather violet housing + black boot
￮ Singlemode APC: Green or yellow housing + black boot
• Boot: Standard black; other lengths/colors available
6. Cable Structure & Mechanical Specifications
6.1 Core Construction
• Fiber type: OM4 50/125 μm; singlemode G.652D compatible
• Fiber count: 24 fibers (250 μm colored)
• Subunit: 2.0 mm diameter; material PVC/LSZH
• Strength member: Aramid yarn
• Armoring: Spiral stainless‑steel tube, diameter 2.8±0.2 mm
• Outer jacket: LSZH, PE, PVC, TPU, or OFNP
6.2 Cable Parameters
• Cable diameter: 5.0±0.2 mm
• Weight: 46 kg/km (±5%)
• Max. tensile load: Short term 600 N; long term 300 N
• Max. crush resistance: Short term 3000 N/100 mm; long term 1500 N/100 mm
• Jacket colors: Blue, yellow, black, orange, grey, aqua, etc.
7. Environmental Requirements
• Operating temperature: −40 °C to +85 °C
• Storage/transport temperature: −40 °C to +85 °C
• Resistant to dust, oil, moisture, and rodent damage
8. Polarity Options
• Type A (Straight‑through): Key‑Up to Key‑Down
• Type B (Cross): Key‑Up to Key‑Up
• Type C (Pair‑cross): Key‑Up to Key‑Down
• Recommended for Base‑24 systems: Type A polarity
9. Key Features
• High mechanical strength (steel + aramid)
• Rodent‑resistant and anti‑trample
• High flexibility, random bending without breakage
• Double‑jacket armored for harsh environments
• High‑density 24‑fiber design for 100G migration
• Low smoke, halogen‑free options available
10. Applications
• High‑density data center interconnections
• Fiber‑to‑building backbone
• Fiber equipment internal links
• Ceiling, corridor, floor corner, and hazardous areas
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