The GJXH butterfly drop cable is designed for the final subscriber connection in Fiber to the Home (FTTH) networks. It features a compact flat structure with an optical fiber positioned in the center and two parallel phosphated steel wire strength members on both sides. A low-smoke zero-halogen (LSZH) flame-retardant outer sheath provides additional protection while maintaining a lightweight and easy-to-install design.
Available with different optical fiber types, including bend-insensitive fibers, this cable supports reliable indoor fiber routing in residential buildings, offices, and other fiber access environments. Its grooved structure simplifies stripping, fiber preparation, and fusion splicing, helping improve installation efficiency and reduce maintenance effort.
Key Features
- Compact Butterfly Structure: The flat profile and small dimensions make the cable suitable for indoor routing through narrow spaces and building access pathways.
- Dual Metal Strength Members: Two parallel phosphated steel wires improve tensile strength and crush resistance while protecting the optical fiber during installation.
- Bend-Insensitive Fiber Options: Supports B6-series bend-insensitive optical fibers to help maintain transmission performance in tight routing environments.
- Easy Stripping and Installation: The grooved cable structure simplifies sheath removal, fiber access, and fusion splicing.
- LSZH Flame-Retardant Sheath: The low-smoke zero-halogen sheath helps reduce smoke and halogen emissions in the event of a fire.
- Flexible Fiber Configurations: Supports up to four optical fibers to accommodate different subscriber connection requirements.
- Multiple Sheath Colors: Available in white or black to suit different installation environments and cable management preferences.
- Reliable Optical Performance: Designed to support stable fiber transmission in FTTH, FTTO, and FTTB access networks.
Product Overview
The GJXH metal-strength-member drop cable provides a practical solution for the last-mile connection between fiber distribution points and end-user premises. Its butterfly-shaped cross-section combines optical transmission, mechanical reinforcement, and convenient installation in a compact cable design.
The optical fiber is positioned at the center of the cable, while two parallel phosphated steel wires are arranged symmetrically on either side. These strength members help withstand installation tension and external pressure, reducing the risk of damage to the optical fiber during cable routing and handling.
The outer sheath is made of LSZH flame-retardant material, which is suitable for indoor cabling applications where low-smoke and halogen-free materials are preferred. The grooved design allows installers to access the optical fiber more easily, simplifying cable stripping, termination, and fusion splicing.
Different fiber options are available to meet varying network requirements. Standard single-mode fiber supports conventional optical access links, while bend-insensitive fiber options help maintain optical performance in installations involving tight bends and limited routing space.
With its lightweight construction, reinforced structure, and easy installation characteristics, the GJXH butterfly drop cable is suitable for residential broadband connections, office network access, and other fiber-to-the-premises deployments.
Technical Specifications
General Parameters
| Parameter | Specification |
| Product Model | GJXH |
| Product Type | FTTH Butterfly Drop Cable |
| Fiber Count | Up to 4 fibers |
| Fiber Types | B1.1, B1.3, B6a, B6b |
| Strength Members | Two parallel phosphated steel wires |
| Outer Sheath Material | LSZH flame-retardant material |
| Sheath Color | White / Black |
| Nominal Cable Dimensions | 2.0 mm × 3.0 mm |
| Applicable Networks | FTTH / FTTO / FTTB |
Optical Fiber Attenuation
| Fiber Type | Fiber Standard | Attenuation at 1310 nm | Attenuation at 1550 nm |
| B1.1 | Conventional single-mode fiber | ≤0.40 dB/km | ≤0.30 dB/km |
| B1.3 | Conventional single-mode fiber | ≤0.40 dB/km | ≤0.30 dB/km |
| B6a | Bend-insensitive single-mode fiber | ≤0.45 dB/km | ≤0.30 dB/km |
| B6b | Bend-insensitive single-mode fiber | ≤0.60 dB/km | ≤0.50 dB/km |
Mechanical Performance
| Parameter | Fiber Type | Long-Term Value | Short-Term Value |
| Allowable Tensile Load | B1.1 / B1.3 | 100 N | 200 N |
| Allowable Tensile Load | B6a | 100 N | 200 N |
| Allowable Crush Load | B1.1 / B1.3 | 1000 N/100 mm | 2200 N/100 mm |
| Allowable Crush Load | B6a | 1000 N/100 mm | 2200 N/100 mm |
| Static Bend Radius | B1.1 / B1.3 | 30 mm | — |
| Dynamic Bend Radius | B1.1 / B1.3 | — | 60 mm |
| Static Bend Radius | B6a | 15 mm | — |
| Dynamic Bend Radius | B6a | — | 30 mm |
Note: The specifications above are based on the listed product configurations. Confirm the fiber type, fiber count, mechanical ratings, and applicable standards for the selected cable before ordering.
Applications
- Fiber to the Home (FTTH) subscriber connections
- Fiber to the Office (FTTO) access networks
- Fiber to the Building (FTTB) distribution networks
- Indoor optical cabling in residential and commercial buildings
- Last-mile connections between distribution points and user premises
- Building broadband access and fiber optic terminal connections
Customized FTTH Drop Cable Solutions
Different fiber access projects may require specific fiber types, fiber counts, sheath colors, and installation characteristics. The GJXH butterfly drop cable can be selected according to network design and on-site cabling requirements. Contact our team for product specifications and configuration recommendations for your fiber access project.
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