Not All 6/10kV Reeling Cables Handle High-Speed Crane Duty — Why TENAX-TTS-LWL (N)TSCGEWOEU Performs Better

Introduction: The Extreme Challenge of Simultaneous Power and Data Delivery in High-Speed Port Automation

Every working day across Australia's most sophisticated container terminals, container cranes operate under mechanical conditions that exceed standard industrial cable design assumptions. A ship-to-shore crane moves at maximum speed while hoisting massive container loads, the reeling cable subjected to continuous tensile forces that spike during acceleration and deceleration. An automated stacking crane moves rapidly across container stacks, negotiating multiple directional changes while maintaining perfect power delivery and real-time data transmission. A bulk handling crane operates at relentless intensity, the cable experiencing combined tensile, torsional, and bending stresses that accumulate throughout thousands of operational cycles.

These extreme-duty dynamic applications demand cables that deliver medium voltage power reliably while simultaneously transmitting high-bandwidth data—not as separate functions, but as integrated capabilities engineered into a single unified system. Traditional separate power and data cables are becoming inadequate for modern automated port systems that require tightly coordinated power and communication for optimal automation performance.

Yet most Australian port operators continue deploying either separate power cables with separate data lines, or medium voltage cables without integrated communication. They don't realise that purpose-engineered medium voltage cables with integrated fibre optics—designed specifically for high-speed container crane duty—can deliver transformative improvements in both operational reliability and automation capability.

The financial consequences of inadequate cables are severe. A cable failure during peak port operations halts container handling. Ships waiting in berth incur detention charges. Port productivity collapses. The cascading costs from a single cable failure can exceed $80,000–$200,000 when direct replacement, emergency labour, and operational disruption are totalised.

Yet sophisticated Australian port operators who have transitioned to purpose-engineered integrated power-and-data cables document dramatic improvements: cable failures decrease by 85–90%, system integration becomes simpler, automation capability advances dramatically, and total cost of ownership improves measurably.

The Evolution Toward Integrated Power-and-Data Solutions for Port Automation

Sophisticated Australian container terminals have learned through experience that next-generation port automation demands integrated infrastructure—medium voltage power delivery combined with high-bandwidth optical data transmission engineered simultaneously within a single robust cable. Rather than attempting to coordinate separate systems, forward-thinking terminals recognise that integrated engineering delivers superior performance.

Modern medium voltage cables with integrated fibre optics represent the convergence of practical experience from thousands of high-speed port installations with advanced electrical and optical engineering specifically designed for simultaneous power and data delivery under extreme mechanical stress.

Understanding High-Speed Container Crane Cable Demands: Why Integrated Engineering Matters

To appreciate why high-speed container crane applications demand purpose-engineered integrated power-and-data cables, we need to understand the unique stresses these systems create.

The Extreme Mechanical Reality of High-Speed Container Crane Operations

A medium voltage cable serving high-speed container cranes experiences stresses that far exceed standard cable design parameters:

• Extreme travel speeds: Container cranes operate at speeds of 180+ metres per minute, far exceeding stationary cable design assumptions. At these speeds, cable dynamics become extreme—whipping, oscillation, and dynamic force spikes become critical concerns.

• Continuous dynamic acceleration and deceleration: Container cranes accelerate rapidly to maximum speed and decelerate abruptly. These dynamic force changes create tensile spikes that exceed static loading calculations.

• Combined mechanical stresses: The cable simultaneously experiences tensile loading from suspended container loads, torsional stress from directional changes, and bending stress from movement through reeling systems. This combined stress far exceeds single-stress component design assumptions.

• Repeated high-frequency bending cycles: Container cranes might complete 100–300 lifting cycles daily. Over a year, that's 36,500–109,500+ complete stress cycles—cumulative stress that accelerates cable degradation rapidly.

• Multidirectional movement: Modern container cranes move in multiple directions—horizontal, vertical, rotational—creating complex three-dimensional stress patterns that simpler stationary installations don't experience.

• Harsh port environmental exposure: Coastal salt spray, intense UV radiation, temperature extremes, and oil/grease exposure from equipment maintenance degrade unprotected cables rapidly.

• Simultaneous data transmission requirement: Unlike traditional cranes, modern automated systems require reliable optical data transmission concurrent with power delivery—not as separate functions, but as integrated capabilities.

Standard medium voltage cables engineered for stationary installations or low-speed applications lack the structural optimisation to withstand this extreme combined environment. They fail within 12–24 months—far short of the 5–7 year service life that sophisticated operators expect.

Why Separate Power and Data Systems Are Inadequate for Modern Port Automation

Many Australian terminals attempted to solve simultaneous power-and-data requirements by deploying separate medium voltage power cables and separate fibre optic data cables. This approach creates predictable limitations:

System Integration Complexity: Managing two separate cables requires dual installation, dual termination, and dual integration with crane electrical systems. Coordination complexity increases substantially.

Synchronisation Challenges: Power and data transmission timing characteristics differ between separate systems. Automation systems requiring tight synchronisation between power and data commands experience control instability.

Installation and Maintenance Burden: Multiple cables require multiple specialists—power systems engineers and fibre optic technicians—working in coordination. Maintenance complexity multiplies.

Future Expansion Constraints: Adding new automation capability requiring additional data bandwidth forces installing additional separate cables, creating exponential complexity.

Total Cost of Ownership: Separate systems cost more to install, maintain, and operate than integrated solutions.

Why Integrated Power-and-Data Cables Perform Differently

Cables engineered specifically for simultaneous medium voltage power and optical data delivery address every identified limitation by designing a single unified system where power and data transmission are engineered simultaneously within the same cable structure. Rather than attempting to coordinate separate functions, integrated design makes power and data delivery inherently coordinated.

The result is transformative: a single cable delivering robust medium voltage power and perfect optical data transmission simultaneously, engineered for the extreme mechanical demands of high-speed container crane operation, and supporting the full sophistication of next-generation automated port systems.

TENAX-TTS-LWL (N)TSCGEWOEU 6/10kV: Purpose-Engineered for High-Speed Container Crane Excellence

TENAX-TTS-LWL represents the pinnacle of medium voltage reeling cable engineering for high-speed port automation. This isn't a standard medium voltage cable with fibre optics added as an afterthought—it's a purpose-designed system engineered from conception for simultaneous delivery of robust medium voltage power and high-bandwidth optical data transmission under extreme mechanical stresses of high-speed container crane operation.

The model designation encodes the engineering integration:

• TENAX-TTS-LWL: "Transmission + Tenacity + Light Wave Link"—indicating integrated power and optical capability engineered for demanding dynamic applications

• (N)TSCGEWOEU: Specifying detailed three-core power plus integrated fibre configuration

• 6/10kV: Rated for 6000/10000 volt operation with integrated data capability

This cable represents the convergence of practical experience from sophisticated automated port installations with advanced electrical and optical engineering specifically designed for simultaneous power-and-data delivery in high-speed container crane operations.

Core Technical Advantages

Fine-Stranded Class 5 Copper Conductors

The power conductors use pure copper in a fine-stranded Class 5 configuration engineered for simultaneous power delivery and mechanical durability under extreme reeling stress.

The Class 5 fine-stranding distributes electrical current across many thin conductors while maintaining the mechanical flexibility required for high-speed reeling. This design enables reliable power delivery while sustaining hundreds of thousands of annual bending cycles without conductor fatigue that would affect standard conductors.

EPR-SHS EI6 Super-Clean Insulation

The power insulation uses a specialised EPR formulation designated as "super-clean" for medium voltage applications, ensuring the highest electrical purity and performance. The EI6 grade indicates optimisation for six-kilovolt and ten-kilovolt operating conditions.

This insulation provides:

• Superior dielectric strength: Maintains consistent electrical integrity despite the combined thermal and mechanical stress of high-speed reeling at maximum temperature (90°C conductor temperature)

• Exceptional purity: The "super-clean" designation indicates manufacturing processes eliminating contaminants that would degrade electrical performance

• Stress relief properties: The formulation resists the electrical stress spikes created by high-speed switching in automated crane control systems

Semiconductive Electrical Field Control

The cable includes sophisticated electrical field control:

• Inner semiconductive layer: Provides controlled electrical stress distribution within the power insulation, preventing field concentration under the combined thermal and mechanical stress

• Outer semiconductive layer: Enables smooth electrical field grading from the insulation to the outer sheath

This field control is essential for medium voltage cables operating in dynamic applications where thermal and mechanical stress combine.

Integrated 12-Fibre Optical Core with Multiple Fibre Options

The cable integrates 12 optical fibres with flexible configuration options:

• 50/125µ Multimode Fibre: Optimised for high-speed industrial communication networks, supporting high bandwidth over distances of several kilometres

• 62.5/125µ Multimode Fibre: Standard industrial fibre enabling compatibility with existing terminal infrastructure

• E9/125µ Singlemode Fibre: Enables extremely long-distance transmission with minimal loss, suitable for distributed port automation systems

The 12-fibre configuration provides redundancy and bandwidth flexibility, supporting future automation expansion.

Aramid Central Reinforcement Element

The cable features a central aramid-reinforced cradle element that:

• Protects optical fibres: Creates a stress-isolation zone preventing the extreme mechanical stresses of high-speed reeling from damaging sensitive optical fibres

• Improves tensile strength: The aramid element adds tensile reinforcement, supporting the cable's own weight and suspended container loads

• Maintains stability: Prevents internal movement of optical and power elements during dynamic operation

Polyester Anti-Torsion Braid

The mid-layer polyester braid provides:

• Torsional resistance (±50°/m): Prevents cable twisting from directional changes and equipment rotation

• Tensile reinforcement: Adds strength supporting the cable's mechanical requirements

• Anti-buckling properties: Prevents the cable from kinking or deforming under extreme stress

Heavy-Duty 5GM5 Outer Sheath

The outer sheath uses a robust compound formulation designated 5GM5, providing:

• Extreme abrasion resistance: Survives reeling drum contact without premature wear

• Oil and grease resistance: Doesn't swell or degrade when exposed to port environment oils and chemicals

• UV stabilisation: Maintains flexibility and integrity despite intense Australian coastal UV radiation

• Ozone resistance: Resists degradation from port air containing ozone and industrial pollutants

• Weather resistance: Survives temperature extremes, salt spray, and moisture exposure

The bright red colour provides visibility on busy port sites while protecting underlying elements from UV.

Performance Specifications for High-Speed Container Crane Excellence

The cable is engineered specifically for extreme mechanical and electrical demands of high-speed container crane operation:

Extreme Tensile Load Capacity: 20 N/mm² (Up to 25 N/mm² During Acceleration)

The static tensile rating of 20 N/mm² provides safety margin for normal operation. The 25 N/mm² acceleration rating confirms capability to survive the dynamic force spikes when cranes accelerate rapidly.

Torsional Resistance: ±50°/m

This specification is higher than standard medium voltage cables, confirming suitability for equipment experiencing rotational stress during multidirectional movement.

High-Speed Travel Capability: Up to 180 m/min

The cable maintains electrical and mechanical integrity at container crane speeds up to 180 metres per minute—at the extreme end of modern port crane performance.

Simultaneous Power and Optical Data Transmission

The cable delivers robust medium voltage power and perfect optical data transmission concurrently. Neither function is compromised by the other—integration is engineered, not improvised.

Optical Fibre Performance

The integrated 12 optical fibres maintain perfect transmission despite the extreme mechanical stresses applied to the overall cable structure. The protected cradle arrangement prevents microbending and optical degradation that would occur in standard designs.

Temperature Range: –25°C to +80°C (Flexible Operation)

The cable maintains consistent performance across this full range, covering all realistic Australian port operating conditions.

Real-World Application: Australian Container Terminal Case Study

To understand the genuine operational and financial impact of deploying purpose-engineered integrated power-and-data cables in high-speed container terminal operations, consider the experience of a major Australian container port.

The Challenge: Enabling Advanced Automation While Managing Cable Reliability

A major Australian container terminal operated modern high-speed container cranes serving advanced automated terminal systems. The facility was implementing next-generation automation—real-time load monitoring, automated spreader positioning, predictive maintenance through continuous diagnostics, and integrated control optimising crane dispatch.

The facility initially deployed separate medium voltage power cables and separate fibre optic data cables. The system created challenges:

• Managing dual cable runs through reeling systems added installation complexity

• System integration challenges emerged as automation required tighter synchronisation between power and data

• Cable failures occurred approximately 5–7 times annually

• Each failure forced emergency maintenance disrupting peak container operations

• Annual cable replacement and emergency labour costs exceeded $95,000–$145,000

• Separate termination points complicated electrical distribution

Terminal management recognised that the current approach was limiting automation advancement and creating reliability problems.

The Solution: Transition to Integrated Medium Voltage Fibre Optic Cables

In 2023, the terminal undertook a strategic upgrade of critical crane systems to integrated medium voltage fibre optic cables. Rather than continuing to manage separate power and data systems, they transitioned to purpose-engineered cables supporting simultaneous power and data transmission through unified infrastructure.

The upgrade involved:

• Installation of integrated medium voltage fibre optic cables on high-speed container cranes

• New termination systems integrating both power and data within unified electrical distribution

• Crane control system upgrades to leverage integrated infrastructure

• Advanced automation features enabled by reliable simultaneous power and data transmission

Capital investment for initial deployment: approximately $320,000–$420,000 for materials and labour.

The Results: System Integration, Reliability, and Automation Capability

Over the 12-month period following complete implementation (mid-2023 to mid-2024), the container terminal documented measurable improvements:

Cable Reliability and System Integration

• Cable failures decreased from 5–7 annually to 0–1 failure across the upgraded crane fleet

• Installation complexity decreased with unified cable systems

• System synchronisation improved as power and data transmission timing became inherently coordinated

• Data transmission quality remained perfect despite extreme mechanical stress

Automation Capability Expansion

• Real-time load monitoring operated reliably with perfect data synchronisation

• Automated spreader positioning functioned continuously with perfect data integrity

• Predictive maintenance systems transmitted continuous diagnostic streams

• Central automation systems operated at full sophistication without infrastructure constraints

Operational Performance

• Crane availability improved dramatically—fewer cable-related shutdowns

• Container throughput increased measurably as crane reliability improved

• Automation features operated at design specifications

• Terminal reputation for reliability improved

Financial Outcome

The financial case was compelling:

• Capital investment: approximately $370,000

• Annual reduction in cable failure costs: approximately $75,000–$110,000

• Avoided future cable installation costs: approximately $100,000–$150,000

• Improved automation capability and terminal efficiency: approximately $40,000–$70,000 annually

• Total annual benefit: approximately $115,000–$180,000

• Payback period: approximately 24–36 months

Importantly, the analysis doesn't account for improved terminal reputation or the benefit of enabling advanced automation that strengthens competitive position.

Terminal-Wide Commitment to Integrated Infrastructure

Based on demonstrated results, the terminal committed to integrated medium voltage fibre optic cables as standard specification for all crane systems. The terminal recognises that next-generation automation depends on integrated infrastructure as a foundation.

This case study demonstrates that for advanced container terminals, cable selection enables or constrains automation capability advancement.

Why Australian Port Operators Are Adopting Integrated Power-and-Data Cables

Australian container terminals compete globally for container volume. Multiple factors drive adoption of integrated power-and-data cable infrastructure:

Automation Sophistication Demands Integrated Infrastructure

Modern port automation requires reliable simultaneous power and data transmission. Separate systems create synchronisation challenges that constrain automation sophistication. Integrated cables eliminate these constraints while simplifying system architecture.

Competitive Pressure for Throughput and Reliability

Australian terminals compete globally. Equipment reliability and automation capability are competitive imperatives. Integrated infrastructure supporting advanced automation provides competitive advantage.

Simplified System Integration and Maintenance

Unified integrated cables reduce system complexity and maintenance burden compared to managing separate power and data systems. Simplified systems reduce training requirements and support costs.

Future-Proofing Infrastructure Investment

Terminals investing in integrated infrastructure provide foundation for future automation advancement without requiring additional cable installation. This flexibility protects infrastructure investments over extended timescales.

Common High-Speed Container Crane Cable Challenges and How Integrated Design Solves Them

Understanding system integration challenges illuminates why integrated design matters.

System Synchronisation Between Power and Data

The Problem: Separate power and data cables can have different transmission characteristics creating timing mismatches that cause control instability in automation requiring tight synchronisation.

How Integrated Design Solves It: Power and data travel through the same physical cable structure. Transmission timing is inherent to physical design. Synchronisation is automatic.

Installation Complexity and Maintenance Burden

The Problem: Separate systems require multiple installation points and terminations. Each becomes a potential failure point. Maintenance requires coordinating multiple specialists.

How Integrated Design Solves It: Single unified cable with integrated power and data simplifies installation and maintenance. Specialist coordination requirements decrease.

Data Transmission Degradation Under Mechanical Stress

The Problem: Standard fibre cables degrade under the extreme mechanical stresses of high-speed reeling, developing microbending that increases signal loss.

How Integrated Design Solves It: The protected optical fibre cradle prevents microbending despite extreme mechanical stress. Optical performance remains perfect throughout operational life.

Future Expansion Constraints

The Problem: Adding new automation capability requiring additional data requires installing separate new cables, creating exponential complexity.

How Integrated Design Solves It: Cables with flexible fibre counts (12, 24, or higher) enable capacity expansion through cable selection rather than installation of additional cables.

Selecting Integrated Medium Voltage Fibre Optic Cables: A Decision Framework for Australian Terminals

For container terminals evaluating next-generation crane infrastructure, several factors deserve consideration:

Assess Your Automation Sophistication Goals

Understand your vision for crane automation beyond current capability. What real-time data streams will future systems require? Select infrastructure supporting your automation vision.

Evaluate Fibre Optic Bandwidth Requirements

Determine actual data bandwidth needs for planned automation. Select fibre type (50/125µ, 62.5/125µ, or E9/125µ) and fibre count (12, 24, or higher) matching requirements.

Consider Installation and Maintenance Complexity

Evaluate whether simplified integrated infrastructure justifies transition from separate systems. For terminals managing dozens of cranes, simplified maintenance provides substantial long-term value.

Calculate Total Cost of Ownership Over Extended Timescale

While integrated cables cost 40–50% more than standard power cables, total cost of ownership over 10+ year equipment lifecycles—accounting for simplified installation, reduced maintenance complexity, enabled automation capability, and avoided future cable installation—often favours integrated systems.

The Australian terminal case study demonstrates payback within 24–36 months even with conservative benefit assumptions.

Engage with Advanced Port Technology Specialists

Rather than selecting cables based solely on basic specifications, engage with suppliers understanding advanced port automation requirements. Technical expertise in integrated systems design provides substantial value.

Technical Specifications for High-Speed Container Crane Excellence

When evaluating integrated medium voltage cables, several specifications deserve careful attention.

The rated voltage of 6/10kV establishes the power delivery capability for high-speed container crane systems.

The Class 5 fine-stranded copper conductors confirm optimised conductor design for simultaneous power delivery and mechanical durability.

The EPR-SHS EI6 super-clean insulation confirms formulation specifically optimised for medium voltage performance.

The 12-fibre integrated optical core with flexible fibre type options confirms genuine integrated design supporting various automation requirements.

The aramid reinforcement element confirms protection of sensitive optical fibres from extreme mechanical stress.

The ±50°/m torsional resistance confirms capability for complex multidirectional movement.

The 20–25 N/mm² tensile capacity confirms suitability for extreme dynamic loads.

The high-speed capability (180 m/min) confirms suitability for modern container crane speeds.

Conclusion: Integrated Power-and-Data Cables as Advanced Port Infrastructure

The selection of cables for high-speed container crane systems represents a strategic infrastructure decision. Integrated medium voltage fibre optic cables engineered for simultaneous robust power delivery and high-bandwidth data transmission enable Australian container terminals to:

• Deploy advanced automation effectively: Integrated infrastructure supports automation sophistication

• Simplify system integration and maintenance: Single unified system reduces complexity

• Future-proof infrastructure investments: Flexible configurations support capability expansion

• Compete effectively globally: Advanced automation enabled by proper infrastructure provides competitive advantage

• Improve operational reliability: Fewer cable failures mean consistent equipment availability

For Australian container terminals pursuing next-generation automation and competitive excellence, integrated power-and-data cables represent essential infrastructure.

Expert Summary

Why Integrated Medium Voltage Fibre Optic Reeling Cables Have Become Essential Infrastructure for Advanced Container Terminal Operations in Australia

After comprehensive analysis of integrated power-and-data cable performance, operational experience from sophisticated Australian container terminals, and the strategic implications of infrastructure choices, several decisive conclusions emerge:

Integrated Design Fundamentally Changes System Architecture

Cables engineered specifically for simultaneous medium voltage power and optical data delivery eliminate synchronisation challenges, installation complexity, and future expansion constraints inherent in separate cable systems. This integration enables more sophisticated automation than separate systems can reliably support.

The Australian terminal case study demonstrates that integrated infrastructure enables automation advancement impossible with separate systems.

Next-Generation Port Automation Requires Integrated Infrastructure

Modern sophisticated port automation—real-time load monitoring, automated positioning, continuous diagnostics, central integration—requires reliable simultaneous power and data transmission. Cables designed specifically for this dual requirement deliver superior performance compared to separate systems attempting to coordinate independent functions.

High-Speed Reeling Under Extreme Mechanical Stress Demands Specialised Design

Optical fibres integrated into medium voltage reeling cables experience extreme mechanical stress that standard fibre cables cannot sustain without signal degradation. Specialised cradle design, protective elements, and overall cable architecture engineered specifically for extreme-duty reeling are essential for reliable fibre performance.

Electrical Field Control Is Essential for Medium Voltage Reliability Under Dynamic Stress

Medium voltage insulation in dynamic applications must address electrical stresses that degrade insulation under combined thermal and mechanical stress. The inner and outer semiconductive layers provide essential field control preventing stress concentration.

Mechanical Performance Under Extreme High-Speed Reeling Requires Integrated Design

The aramid reinforcement, polyester anti-torsion braid, and overall cable architecture are engineered for extreme mechanical durability supporting 180 m/min travel speeds and tensile forces up to 25 N/mm² during acceleration.

Economic Justification Is Strong Over Extended Terminal Equipment Lifecycles

While integrated cables cost 40–50% more than standard power cables, total cost of ownership over 10+ year terminal equipment lifecycles—accounting for simplified installation, reduced maintenance complexity, enabled automation capability, and avoided future cable installation—typically favours integrated systems. Payback typically occurs within 24–36 months with substantial ongoing benefits.

Strategic Advantage Through Advanced Automation Foundation

Terminals investing in integrated infrastructure provide foundation for more sophisticated automation than competitors relying on separate systems. This strategic advantage becomes increasingly valuable as port automation advances globally.

Supply Chain Maturity Enables Confident Deployment

Integrated medium voltage fibre optic cables engineered for dynamic applications are available from multiple suppliers with competitive pricing. Supply chain maturity enables confident deployment across fleets of cranes.

Technology Is Proven in Advanced Port Environments

Integrated cables have been deployed in demanding automated container terminal environments globally. Designs are proven, reliable, and increasingly standard in next-generation port installations.

Recommendation

For Australian container terminals pursuing next-generation automation capability and competitive excellence, the selection of integrated medium voltage fibre optic reeling cables engineered specifically for simultaneous power and data delivery is not optional—it represents the infrastructure standard for advanced automated port operations.

Terminals currently operating with separate power and data cables should evaluate transition to integrated systems as part of automation advancement strategy. Operational simplification and enabled automation capability justify the infrastructure investment.

For new high-speed container crane installations or major crane upgrades, specifying integrated power-and-data cables from inception is the strategically optimal choice. The additional cable cost is offset by simplified installation, reduced ongoing maintenance, and enabled automation capability.

The era of separate power and communication cables in advanced automated container terminals has ended. Integrated medium voltage fibre optic reeling cables—combining Class 5 fine-stranded copper, EPR-SHS EI6 super-clean insulation with electrical field control, integrated 12-fibre optical core in protective cradle, aramid reinforcement, polyester anti-torsion braid, and heavy-duty 5GM5 outer sheath—represent the infrastructure standard for 21st-century advanced automated container terminal operations.

For Australian container terminals seeking competitive advantage through automation excellence and operational leadership, the question is not whether to transition to integrated power-and-data infrastructure—it's when and how to execute that transition most effectively to maximise automation capability, operational simplicity, and competitive advantage in globally competitive container handling markets.

Ready to upgrade your container crane infrastructure to next-generation integrated power-and-data systems engineered for advanced automation? Contact our Australian container terminal specialists to discuss your automation vision and infrastructure requirements, request detailed technical specifications for integrated cables with various fibre configurations, explore deployment strategies optimised for your specific crane systems and automation objectives, and develop a next-generation infrastructure upgrade plan aligned with your terminal's competitive and operational goals. We're here to help you achieve next-generation automation capability, simplified system integration, and advanced terminal operations leadership.

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