8F MTP-LC Staggered harness Cable

Structure: 8-core MTP to LC (4 Duplex/8 Simplex), staggered fanout, dual-end MTP & LC connectors.

Application: High-density data centers, direct 40G/100G QSFP+ to 10G/25G SFP+ connection.

Key Features: Low insertion loss, high return loss, cost-effective, easy identification.

Performance: -40°C to +85°C operating temp, >70N tensile strength, meets international standards.

Types: 3 options, 0.5m fanout, 3.0mm main cable OD.

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Product Description
Specification
Product Advantage

Product Description

1. Product Overview

8-core MTP to 4 LC Duplex (4×LC Uniboot; 8 LC Simplex) staggered harness cable assemblies, equipped with MTP and LC connectors on both ends. The fanout cables feature staggered lengths, designed for high-density fiber patching in data centers to save space and simplify cable management. It supports direct connection between 40G QSFP+ and 10G SFP+ optical modules, as well as 100G QSFP and 25G SFP optical modules, without patch panels or intermediate trunks.

2. Typical Applications

• Single-mode: 40G QSFP+ PLR4 to 10G SFP+ LR direct connection

• Multimode (OM3/OM4): 40G QSFP+ SR4 to 10G SFP+ SR; 100G QSFP SR4 to 25G SFP-25G-SR-S direct connection

• High-density data center structured cabling

3. Key Features

• Low insertion loss and high return loss

• MT-based multi-fiber connector, supports 4/8/12/24 fiber termination

• Cost-effective mass fiber termination solution

• Compatible with low-loss and staggered-loss single-mode & multimode applications

• Optional round cable, oval cable, and bare ribbon structures

• Color-coded housings for fiber type, polish type, and connector grade identification

• Excellent repeatability and interchangeability

Specification

4. Optical Performance

4.1 Insertion Loss (IL)

• MTP Connector (IEC 61300-3-34)

￮ Single-mode (Standard): ≤0.75dB (Max), ≤0.50dB (Typical)

￮ Single-mode (Elite): ≤0.35dB (Max), ≤0.20dB (Typical)

￮ Multimode (Standard): ≤0.6dB (Max), ≤0.50dB (Typical)

￮ Multimode (Elite Low Loss): ≤0.35dB (Max), ≤0.20dB (Typical)

• LC Connector (IEC 61300-3-6): ≤0.3dB (Single-mode & Multimode)

4.2 Return Loss (RL)

• MTP Connector

￮ Single-mode (8° APC polish): ≥60dB

￮ Multimode (PC polish): ≥25dB

• LC Connector

￮ Single-mode (APC): ≥60dB; (UPC): ≥50dB

￮ Multimode: ≥35dB

4.3 Mechanical & Environmental Performance

• Durability: ≤0.3dB typical change after 200 matings

• Interchangeability: ≤0.2dB

• Tensile Strength: >70N

• Operating Temperature: -40°C to +85°C

5. Cable Parameters (8/12F Microfiber Cable)

Fiber Count	Outer Diameter	Short-term Tensile Strength	Long-term Tensile Strength	Short-term Crush Load	Long-term Crush Load	Minimum Bending Radius
8–12	3.0±0.15mm	180N	90N	500N/100mm	150N/100mm	Static:10D; Dynamic:20D

6. Structure Types

Type 1: MTP – 8×LC Simplex

• Fanout OD: 2.0mm or 0.9mm

• Fanout Length: 0.5m

• MTP Gender: Female / Male

• Main Cable OD: 3.0mm

• Polarity: Supports Polarity A and B

Type 2: MTP – 4×LC Duplex

• Fanout OD: 2.0×4.1mm / 0.9mm

• Fanout Length: 0.5m

• MTP Gender: Female / Male

• Main Cable OD: 3.0mm

• Polarity: Fixed, supports Polarity A or B

Type 3: MTP – 4×LC Uniboot

• Fanout OD: 2.0mm / 3.0mm

• Fanout Length: 0.5m

• MTP Gender: Female / Male

• Main Cable OD: 3.0mm

• Polarity: Fixed, supports Polarity A or B

• Space saving: Up to 50% fanout space reduction

7. End-Face 3D Geometry

7.1 MTP End-Face (IEC 61300-3-30)

Parameter	Min	Max
ROC-X (ABS)	2000mm	–
ROC-Y (ABS)	50mm	–
Angle-X (APC/PC)	-0.2°	-0.2°
Angle-Y (APC)	7.85°	8.15°
Fiber Height	1000nm	3500nm
Max DH (All Fiber)	-300nm	300nm
DH (Adjacent Fiber)	-300nm	300nm
DH (Average Fiber)	-300nm	300nm
Core Dip (Multimode)	-200nm	300nm

7.2 LC End-Face Geometry

Parameter	PC End-Face	APC End-Face
Radius of Curvature	7–25mm	5–15mm
Apex Offset	≤50μm	–
Fiber Spherical Height	±100nm	–
Angular Offset	–	8°±0.5°

8. End-Face Quality (IEC 61300-3-35:2015)

Single-mode LC

Zone	Range	Scratches	Defects
A (Core)	0–25μm	None	None
B (Cladding)	25–115μm	None	None
C (Adhesive)	115–135μm	None	None
D (Contact)	135–250μm	None	None
E (Ferrule)	Full	None	None

Multimode LC

Zone	Range	Scratches	Defects
A (Core)	0–65μm	None	None
B (Cladding)	65–115μm	None	None
C (Adhesive)	115–135μm	None	None
D (Contact)	135–250μm	None	None
E (Ferrule)	Full	None	None