Hot Products
China Professional Fiber Patch Cord Factory - SC, FC, LC, UPC/APC Connectors | Trusted Suppliers
Product Introduction
An Optical Fiber Patch Cord (also called fiber jumper or patch cable) is a fundamental passive component for connecting optical devices in fiber-optic networks, featuring pre-terminated connectors at both ends.
Core Definition & Function
It is a short-length optical fiber (typically 0.5m–10m) with standardized connectors attached to each end. Its key role is to establish temporary or permanent optical connections between devices like transceivers, switches, patch panels, PLC splitters, and FAUs, facilitating signal transmission with minimal loss.
Key Components & Structure
Fiber Core & Cladding
Optical Fiber Core: Transmission medium, available in single-mode (SMF, 9/125 μm) for long-distance or multi-mode (MMF, 50/125 μm or 62.5/125 μm) for short-range.
Cladding & Coating: Ensures total internal reflection, while a protective polymer coating prevents mechanical damage.
Cladding & Coating: Ensures total internal reflection, while a protective polymer coating prevents mechanical damage.
Strengthening & Jacket
Strengthening Member: Materials like aramid yarn (Kevlar) or steel wire enhance tensile strength, resisting breakage during installation.
Jacket: Outer sheath (PVC, LSZH, or OFNR/OFNP) provides protection and meets fire safety requirements.
Jacket: Outer sheath (PVC, LSZH, or OFNR/OFNP) provides protection and meets fire safety requirements.
Connectors
Pre-installed at both ends (e.g., SC, LC, ST, FC, MPO/MTP), polished (PC, UPC, or APC) to minimize insertion loss and return loss.
Critical Features
- Low Insertion & Return Loss: Typical insertion loss <0.3 dB, return loss >45 dB (UPC) or >60 dB (APC), ensuring signal integrity.
- High Compatibility: Standardized connectors and fiber types match global industry specifications, enabling universal use.
- Mechanical Durability: Reinforced structure withstands bending, twisting, and repeated plug-unplug cycles (≥1000 times).
- Environmental Adaptability: Operates stably in temperatures ranging from -40℃ to +85℃, suitable for indoor or outdoor use.
- Flexible Configurations: Customizable in length, fiber type (SMF/MMF), connector type, and jacket material.
Common Types & Classifications
By Fiber Type
Single-mode Patch Cord (for long-haul communication, PON networks) and Multi-mode Patch Cord (for data centers, LANs).
By Connector Type
Available in various configurations including SC-SC, LC-LC, SC-LC, ST-FC, MPO-MTP, and more.
By Jacket Material
PVC (cost-effective, indoor), LSZH (low smoke zero halogen, public areas), and OFNR/OFNP (flame-retardant, vertical/riser).
Typical Applications
Data Centers & Telecom
Connect servers, switches, and storage devices supporting high-speed Ethernet (10G/40G/100G). Link base stations, OLTs, and ONUs in PON/FTTH systems.
Enterprise & Testing
Facilitate connections between network hardware in offices or industrial facilities. Used in fiber optic testing setups to verify signal performance and network integrity.
Frequently Asked Questions
What is the primary function of an Optical Fiber Patch Cord?
Its key role is to establish temporary or permanent optical connections between devices like transceivers, switches, patch panels, PLC splitters, and FAUs, facilitating signal transmission with minimal loss.
How do I choose between Single-mode and Multi-mode Patch Cords?
Single-mode Patch Cords (SMF, 9/125 μm) are optimal for long-distance, high-bandwidth communication and PON networks. Multi-mode Patch Cords (MMF, 50/125 μm or 62.5/125 μm) are best suited for short-range, high-data-rate scenarios like data centers and LANs.
What are the typical optical loss specifications for these cables?
They feature low insertion and return loss. Typically, the insertion loss is less than 0.3 dB, while the return loss is greater than 45 dB for UPC connectors and greater than 60 dB for APC connectors.
What jacket materials are available and where should they be used?
Common jacket materials include PVC (cost-effective for general indoor use), LSZH (low smoke zero halogen, ideal for safety in public areas), and OFNR/OFNP (flame-retardant, suitable for vertical/riser applications).
Can these patch cords withstand harsh environmental conditions?
Yes, they feature high environmental adaptability and can operate stably in temperatures ranging from -40℃ to +85℃, making them suitable for both indoor environments and outdoor telecom cabinets.
What is the mechanical durability of a fiber patch cord?
They are built with a reinforced structure (including strengthening members like aramid yarn) to withstand bending, twisting, and repeated plug-unplug cycles of 1000 times or more without performance degradation.