Fiber Optic Cables

Part Number	Description / PDF	Quantity
33612210050002 HARTING	CABLE ASSEMBLY	0
33012410010005 HARTING	FIBER OPTIC CBL LC-LC DUPLEX 1M	23
33532110010002 HARTING	HAN PUSHPULL SCRJ FIBER OPTIC CA	0
33581110600001 HARTING	CABLE ASSEMBLY FO OUTDDOR, MM, S	0
33544510100012 HARTING	1XHAN 3A SFP FO CAB.AS.10M-LC DU	0
33012443000001 HARTING	FO CABLE ASSY-2X LC DUPLEX- SM-0	0
33572110405001 HARTING	CABLE ASSEMBLY FO HYBRID LC DUPL	0
33012410200011 HARTING	FIBER OPTIC CBL 2X SC D 20M	0
33262310050015 HARTING	PP SFP XS ASSY, XSSH-XSSH 9/125,	0
33012443200004 HARTING	FIBER OPTIC CBL 1X LC DUP 0.32M	0
33612210010001 HARTING	CABLE ASSEMBLY	0
33014110010001 HARTING	FBR OPT CBL 2XSC-SIM 2XPC-SIM 1M	0
33584510100013 HARTING	FO CAB. ASSY-10M-1XPPLC-M/SC DUP	0
33012410020007 HARTING	FO JUMPER CAB. ASSY-2,0M 2X PC D	0
33571110105001 HARTING	CABLE ASSEMBLY FO HYBRID LC DUPL	0
33571110055001 HARTING	CABLE ASSEMBLY FO HYBRID LC DUPL	0
33262310050014 HARTING	PP SFP XS ASSY, XSSH-XSSH 50/125	0
33544510300012 HARTING	1XHAN 3A SFP FO CAB.AS.30M-LC DU	0
33544511000012 HARTING	1XHAN 3A SFP FO CAB.AS.100M-LC D	0
33544510500003 HARTING	HAN 3A SFP FO CAB. ASSY-50M LC D	0

Fiber Optic Cables

1. Overview

Fiber optic cables are critical components in modern communication systems, utilizing glass or plastic fibers to transmit data via light pulses. Compared to traditional copper cables, they offer higher bandwidth, faster data rates, and immunity to electromagnetic interference (EMI). These cables form the backbone of global telecommunication networks, data centers, and high-speed internet infrastructure, enabling technologies like 5G, cloud computing, and IoT.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Single-Mode Fiber (SMF)	Transmits one light mode with minimal dispersion, ideal for long-distance transmission	Telecom backbone networks, transoceanic cables
Multi-Mode Fiber (MMF)	Supports multiple light modes, lower cost for short-distance high-speed links	Data center interconnects, enterprise LANs
Tight Buffered Cable	Individual fiber protection with polymer coating, flexible for indoor use	Office networks, security camera systems
Loose Tube Cable	Waterproof gel-filled design for outdoor durability	Underground/metro deployment, aerial installations
Ribbon Fiber Cable	Flat ribbon structure for high-density parallel optical connections	High-density data centers, 400G/800G networks

3. Structure and Composition

A typical fiber optic cable consists of:

Core: Glass (silica) or plastic center (50-62.5 m diameter) guiding light signals
Cladding: Lower-refractive-index material surrounding core for total internal reflection
Coating: UV-cured acrylate layer for mechanical protection and flexibility
Strength Members: Aramid yarn or fiberglass for tensile load resistance
Outer Jacket: Flame-retardant PVC/LSZH (Low Smoke Zero Halogen) for environmental protection

Advanced designs incorporate micro-bend-resistant coatings and bend-insensitive fibers (BIF) for complex routing scenarios.

4. Key Technical Parameters

Parameter	Typical Values	Importance
Attenuation	0.18-0.35 dB/km @1310/1550nm	Determines maximum transmission distance
Bandwidth	10-100 GHz km (MMF), unlimited (SMF)	Limits data rate capacity
Operating Wavelength	850/1300/1550 nm	Matches optical transceiver specifications
Max Tensile Load	100-500 N (short-term)	Ensures mechanical reliability during installation
Bend Radius	10-20 cable diameter	Prevents signal loss from micro-bending
Temperature Range	-40 C to +70 C	Guarantees performance in extreme environments

5. Application Fields

Major industries and equipment utilizing fiber optic cables:

Telecommunications: 5G base stations, DWDM backbone systems
Data Centers: Switch interconnects (40G/100G/400G), MPO trunk cables
Medical: Endoscopy equipment, MRI machine connections
Industrial: Smart grid sensors, factory automation networks
Defense: Submarine sonar systems, secure communication networks

Case Study: Google's Equiano submarine cable (2021) uses space-division multiplexing with 12 fiber pairs, achieving 144Tbps capacity across the Atlantic.

6. Leading Manufacturers and Products

Manufacturer	Representative Products	Features
CommScope	ClearCurve Ultra Low Bend Loss Fiber	10x smaller bend radius than standard SMF
Fujikura	SM-G.654.E Ultra Low-Loss Fiber	0.15 dB/km attenuation for long-haul networks
Yangtze Optics	172-fiber Ribbon Cable	Supports 800Gbps per cable in data centers
Huawei	OptiX OSN 9800 Multi-Service Platform	Integrated with G.652/G.655 fiber modules
3M	Encore Zirconia Connectors	Low back reflection (<-60dB) for CATV networks

7. Selection Guidelines

Key considerations for optimal cable selection:

Transmission Requirements: Match fiber type (SMF/MMF) and wavelength with transceiver specifications
Environmental Conditions: Choose LSZH jackets for indoor fire safety, armored cables for direct burial
Installation Constraints: Use bend-insensitive fibers for tight spaces, pre-terminated cables for rapid deployment
Future-Proofing: Select WDM-compatible cables with extra buffer tubes
Cost-Benefit Analysis: Balance upfront costs vs. lifetime maintenance requirements

Example: For a 200m data center link, choose OM4 multi-mode fiber with MPO connectors for 100Gbps Ethernet compatibility.

8. Industry Trends

Key development trends shaping the fiber optic market:

Higher Speeds: Transition to 800Gbps and 1.6Tbps systems driving adoption of SX6/SX8 fibers
Network Virtualization: FlexGrid DWDM systems requiring bend-insensitive and polarization-maintaining fibers
IoT Expansion: Proliferation of fiber-to-the-home (FTTH) networks for smart city infrastructure
Material Innovation: Adoption of hollow-core fibers with 0.18 dB/km loss and ultra-low latency
Sustainability: Biodegradable jackets and reduced rare-earth dopant usage in cables

The global fiber optic market is projected to grow at 12% CAGR through 2030, driven by 5G deployment and hyperscale data center expansion.