24F SM Armored MTP & MPO Trunk Cable -3.5mm
24F SM Armored MTP & MPO Trunk Cable -3.5mm

24F SM Armored MTP & MPO Trunk Cable -3.5mm

  • 24‑fiber single‑mode armored MTP/MPO trunk cable with 3.5 mm outer diameter.

  • Uses stainless‑steel spiral armor for rodent resistance, high crush resistance and durability.

  • Features aramid yarn strength members for high tensile strength and mechanical stability.

  • Supports low insertion loss and high return loss for stable optical transmission.

  • Available with LSZH / PVC / PE / TPU sheath, suitable for indoor and harsh environments.

  • Supports Type A / B / C polarity for high‑density 40G/100G data center and FTTx applications.

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  • Product Description
  • Specification
  • Product Advantage

Product Description

1. Product Overview

This 24‑fiber armored MTP/MPO trunk cable is engineered for harsh and demanding installation environments. It features a rugged stainless‑steel spiral armor layer reinforced with aramid yarn, delivering significantly enhanced mechanical strength and extended temperature resistance compared to standard fiber trunk cables. The cable remains flexible while providing robust protection against crushing, bending stress, moisture, dust, oil, gas, and rodent damage. It supports high‑density cabling and high‑speed transmission for data centers, industrial, and outdoor/underground applications.

Specification

2. Optical Specifications (MTP/MPO Connectors)

Compliant with IEC 61300‑3‑34

Parameter

Single‑mode (APC 8° polished)

Multimode (PC flat polished)

Insertion Loss – Standard

≤0.75 dB (max), ≤0.50 dB (typical)

≤0.60 dB (max), ≤0.50 dB (typical)

Insertion Loss – Super Low Loss

≤0.35 dB (max), ≤0.20 dB (typical)

≤0.35 dB (max), ≤0.20 dB (typical)

Return Loss

≥60 dB (8° APC)

≥25 dB (PC)

Durability (200 matings)

Typical change <0.3 dB

Typical change <0.3 dB

Interchangeability

≤0.2 dB

≤0.2 dB

Tensile Strength (connector)

>70 N

>70 N

Operating Temperature

−40 °C to +85 °C

−40 °C to +85 °C

3. MT Ferrule End‑face 3D Interference Parameters

Compliant with 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 fibers)

−300 nm

300 nm

DH (average fiber)

−300 nm

300 nm

Core Dip (SM)

N/A

N/A

Core Dip (MM)

−200 nm

300 nm

4. Connector Mechanical & Housing Specifications

Compliant with IEC 61754‑7

Single‑mode MTP/MPO

 APC Standard Loss: Green housing + black boot

 APC Super Low Loss: Yellow housing + black boot

Multimode MTP/MPO

 OM1/OM2 PC: Beige housing + black boot

 OM3/OM4 PC: Aqua housing + black boot

 OM3/OM4 PC: Heather violet housing + black boot

 Boot sizes and housing colors are customizable

5. Cable Mechanical & Physical Specifications

Item

Specification

Unit

Fiber Type

SM: G652D, G657A; MM: OM1, OM2, OM3, OM4

Cable Outer Diameter

3.5 ±0.2

mm

Fiber Count

24 × 250 μm

Fiber Color Code

Blue, Orange, Green, Brown, Grey, White, Red, Black, Yellow, Purple, Pink, Aqua; plus corresponding marked fibers

Armored Layer

SUS204 stainless‑steel spiral tube; diameter 2.2 ±0.1

mm

Strength Member

Aramid yarn

Inner Subunit Material

PVC, LSZH (CRP certified)

Outer Sheath Material

LSZH (CRP certified), PE, PVC, TPU, OFNP

Outer Sheath Color

Blue, Yellow, Black, Orange, Grey, Aqua, etc.

Cable Weight

18 ±5%

kg/km

Max Tensile Load – Short term

600

N

Max Tensile Load – Long term

300

N

Max Crush Resistance – Short term

3000

N/100 mm

Max Crush Resistance – Long term

1500

N/100 mm

6. Polarity Types

Three standard polarity configurations are available:

1. Type A (Straight‑through)
Key‑Up → Key‑Down; fiber sequence 1–12 to 1–12, 13–24 to 13–24

2. Type B (Cross)
Key‑Up → Key‑Up; full reverse fiber sequence

3. Type C (Cross‑pair)
Key‑Up → Key‑Down; pair‑wise reversed fiber sequence

7. Key Performance Advantages

 Rodent‑resistant: Armor prevents damage from rodents

 Crush & trample resistant: Withstands heavy foot traffic and mechanical stress

 High flexibility: Bends easily without breakage

 High density: Doubles fiber density vs. 12‑fiber cables in the same space

 Wide temperature range: Stable performance from −40 °C to +85 °C

 Harsh environment suitable: Resists dust, moisture, oil, gas, and chemicals

8. Typical Applications

 High‑density data centers (40G/100G transmission)

 Fiber‑to‑the‑Building (FTTB), outdoor & underground cabling

 Industrial and harsh environment interconnections

 Ceiling, floor, corridor, and equipment‑internal high‑density links

 Areas exposed to physical impact, rodents, or harsh conditions

9. Packaging

 Layered protection: PE self‑sealing bag + bubble bag + paper carton

 Fumigation‑free pallet available

 Custom packaging supported

Product Advantage

  • 1

    Durable: Reinforced with stainless-steel armor and aramid yarn.

  • 2

    Rodent-resistant: Armored to prevent rodent damage.

  • 3

    Flexible: Bendable without breaking, like standard patch cords.

  • 4

    Environmentally adaptable: Works in -40~+85°C harsh conditions.

  • 5

    Space-saving: 24-fiber high density in 3.5mm diameter.

  • 6

    Reliable: Low insertion loss, high return loss for stable transmission.

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