100BASE-LX Fiber SFP Transceiver Module | Industrial Ethernet 10km Range | Allen-Bradley 1783-SFP100LX/A

100BASE-LX Fiber SFP Transceiver Module (Industrial-Grade Ethernet Solution)

The Allen-Bradley 1783-SFP100LX/A is an industrial-grade fiber optic SFP (Small Form-factor Pluggable) transceiver module designed for high-reliability Ethernet connectivity in demanding environments. Utilizing 100BASE-LX single-mode fiber technology with LC connector interface, it delivers stable 100Mbps data transmission over distances up to 10 kilometers, enabling seamless communication between distributed control systems, SCADA networks, and industrial Ethernet infrastructures.

Engineered for factory automation, building management systems, municipal networks, and process control applications, this module addresses critical challenges including electromagnetic interference immunity, long-distance connectivity requirements, harsh environmental conditions, and the need for hot-swappable network expansion without system downtime.

Through standardized design and proven compatibility with Allen-Bradley Stratix managed and unmanaged switches, the 1783-SFP100LX/A offers plug-and-play deployment, extended operating temperature tolerance, and compliance with industrial networking standards. Ideal for system integrators, plant engineers, OEM equipment manufacturers, and facility maintenance teams seeking reliable fiber connectivity solutions. Contact our engineering team for application-specific configuration guidance and technical documentation.

Core Features & Technical Advantages

Long-Distance Single-Mode Fiber Transmission
Supports up to 10km transmission distance over 9/125μm single-mode fiber with LC duplex connector, eliminating the distance limitations of copper cabling while maintaining signal integrity across campus networks, inter-building links, and distributed manufacturing facilities.

Industrial-Grade Environmental Resilience
Operates reliably in extended temperature ranges (-40°C to +85°C storage, 0°C to +60°C operating), withstands vibration and shock per industrial standards, and provides superior EMI/RFI immunity compared to copper-based solutions—critical for deployment near motors, drives, and high-voltage equipment.

Hot-Swappable & Flexible Network Expansion
SFP form factor enables tool-free installation and removal without powering down network equipment, allowing non-disruptive upgrades, rapid troubleshooting, and scalable network architecture as production demands evolve.

Seamless Stratix Switch Integration
Fully compatible with Allen-Bradley Stratix 5700, 5400, 5410, 8000, and 8300 series managed switches, ensuring validated interoperability, simplified procurement, and unified technical support across your Rockwell Automation ecosystem.

Standards Compliance & Quality Assurance
Meets IEEE 802.3 100BASE-LX specifications, RoHS environmental directives, and UL/cUL safety certifications. Backed by rigorous factory testing protocols to ensure consistent performance in mission-critical industrial networks.

Diagnostic LED & Link Status Monitoring
Integrated optical power monitoring and link status indication facilitate rapid fault isolation, reducing mean time to repair (MTTR) and supporting proactive maintenance strategies through switch management interfaces.

Typical Application Scenarios

This fiber SFP transceiver is engineered for environments demanding high reliability, electrical isolation, and extended reach beyond standard copper Ethernet limitations:

Factory Automation & Manufacturing Execution Systems (MES)
Connects distributed I/O racks, HMI stations, and PLC controllers across production floors where electrical noise from welding equipment, motor drives, and power distribution systems would compromise copper cabling. Fiber isolation prevents ground loops and ensures deterministic communication for time-sensitive control networks.

Building Management & HVAC Control Networks
Links BACnet/IP controllers, lighting management systems, and access control panels across multi-building campuses, parking structures, and high-rise facilities. The 10km range eliminates the need for intermediate network closets while maintaining bandwidth for real-time monitoring and control.

Municipal Infrastructure & Utility SCADA Systems
Provides secure, interference-free connectivity for water treatment plants, wastewater lift stations, electrical substations, and traffic management systems where lightning protection, electrical isolation, and long cable runs are essential operational requirements.

Process Industries & Hazardous Area Networking
Enables safe data transmission in oil & gas, chemical processing, and pharmaceutical facilities by maintaining electrical isolation between classified hazardous areas and control rooms, reducing intrinsic safety barriers and simplifying compliance with ATEX/IECEx directives.

Data Center & Server Room Interconnects
Supports rack-to-rack and row-to-row connections in industrial data centers and edge computing deployments where fiber's immunity to electrical interference and superior cable management characteristics optimize airflow and reduce cooling costs.

Technical Specifications & Selection Guide

To ensure optimal performance and compatibility, review the following technical parameters when specifying the 1783-SFP100LX/A for your application:

Key Technical Parameters:

• Data Rate: 100 Mbps (Fast Ethernet)
• Fiber Type: Single-mode 9/125μm
• Wavelength: 1310nm nominal
• Transmission Distance: Up to 10 km (6.2 miles)
• Connector Type: LC duplex (transmit/receive pair)
• Operating Temperature: 0°C to +60°C (32°F to 140°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Humidity: 5% to 95% non-condensing
• Power Consumption: <1.0W typical
• Form Factor: SFP MSA compliant
• MTBF: >1,000,000 hours at 25°C
• Standards Compliance: IEEE 802.3, RoHS, UL/cUL

Compatible Host Devices:

• Allen-Bradley Stratix 5700 Managed Industrial Ethernet Switches
• Allen-Bradley Stratix 5400 Managed Switches
• Allen-Bradley Stratix 8000 Modular Managed Switches
• Allen-Bradley Stratix 8300 Layer 3 Switches
• Other SFP-compatible industrial Ethernet switches (verify compatibility)

Selection Considerations:
When specifying this module, evaluate your application based on: required transmission distance (ensure fiber link budget supports path loss and connector attenuation), existing fiber infrastructure type (single-mode vs. multimode—this module requires single-mode), ambient operating temperature (confirm enclosure thermal management), switch compatibility (verify SFP slot specifications), and network redundancy requirements (consider dual-homed configurations for critical paths).

For assistance with fiber link budget calculations, network topology design, or compatibility verification with third-party equipment, please provide your project parameters: application type, distance requirements, existing infrastructure details, environmental conditions, and redundancy needs. Our application engineers will recommend the optimal configuration and provide supporting technical documentation.

Installation & Integration Support

Fiber Optic Cable Requirements:
Use OS2-rated single-mode fiber patch cables with LC connectors. Ensure fiber end-faces are clean and inspected per IEC 61300-3-35 standards before insertion. Maximum insertion loss budget: 10 dB at 1310nm wavelength.

Switch Configuration:
Module is auto-negotiating and typically requires no manual configuration. For advanced features (port mirroring, QoS, VLAN tagging), configure via switch management interface. Consult Stratix switch user manual for detailed setup procedures.

Network Topology Planning:
Supports point-to-point fiber links in star, ring (with appropriate switch redundancy protocols like RSTP/MRP), and linear topologies. For ring architectures, ensure switch supports Device Level Ring (DLR) or Media Redundancy Protocol (MRP) for sub-50ms failover.

Troubleshooting & Diagnostics:
Monitor link status via switch LED indicators and management software. Use optical power meter to verify transmit/receive power levels fall within module specifications (-19 to -3 dBm transmit, -20 dBm receive sensitivity). Check for fiber contamination, excessive bend radius (<25mm), or damaged connectors if link fails to establish.

Delivery, Warranty & Technical Services

Lead Time: Standard catalog items typically ship within 3-5 business days from stock. Custom configurations or large-volume orders may require 2-4 weeks—contact sales for current availability and expedited options.

Warranty Coverage: Backed by manufacturer's standard warranty (typically 1-3 years depending on region and purchase agreement). Covers defects in materials and workmanship under normal use conditions. Extended warranty and advance replacement programs available upon request.

Technical Documentation: Each module ships with or provides access to: product datasheet, installation quick-start guide, compatibility matrix, and fiber optic best practices reference. Complete user manuals, CAD drawings, and compliance certificates available for download from manufacturer support portal.

Application Engineering Support: Our team provides pre-sales consultation for network design, fiber link budget analysis, switch compatibility verification, and integration with existing Rockwell Automation or third-party control systems. Post-sales support includes remote troubleshooting assistance and on-site commissioning services (availability varies by region).

Training & Resources: Access to online knowledge base, video tutorials for SFP installation and fiber handling best practices, and periodic webinars on industrial Ethernet architecture and troubleshooting techniques.

Frequently Asked Questions (FAQ)

Q: Can the 1783-SFP100LX/A fiber SFP module be used with multimode fiber infrastructure?
A: No, this module is designed exclusively for single-mode fiber (9/125μm) operating at 1310nm wavelength. For multimode fiber applications (50/125μm or 62.5/125μm), specify the 100BASE-SX variant (typically 1783-SFP100SX) which supports up to 2km over multimode fiber. Using this LX module with multimode fiber will result in reduced distance capability and potential link instability.

Q: What is the maximum number of SFP modules supported per Stratix switch, and are there any slot restrictions?
A: SFP slot availability varies by switch model. For example, Stratix 5700 switches offer 4-20 combo ports (RJ45/SFP), while Stratix 8000 modular chassis support multiple SFP line cards. Consult your specific switch model datasheet for exact slot count and any restrictions on simultaneous copper/fiber port usage. All SFP slots support hot-swapping without switch reboot.

Q: How much energy savings or efficiency improvement can I expect compared to copper Ethernet connections?
A: While fiber optics don't directly reduce power consumption (SFP modules consume ~1W vs. ~0.5W for copper PHY), the primary benefits are reliability and reduced maintenance costs—fewer link failures due to EMI, lightning damage, or ground loops translate to less downtime and lower troubleshooting labor. In large installations, eliminating copper's susceptibility to electrical interference can reduce unplanned outages by 40-60%, significantly improving total cost of ownership.

Q: What environmental protection rating does this module have, and can it be used in outdoor or wash-down applications?
A: The SFP module itself is rated for 0°C to +60°C operating temperature and 5-95% non-condensing humidity. However, the host switch enclosure determines overall environmental protection. For outdoor or harsh environments, install the switch in a NEMA 4X/IP66-rated enclosure with appropriate thermal management. The module is not directly exposed to elements—protection is provided by the switch housing.

Q: Does this fiber SFP support remote monitoring, SNMP data collection, or Digital Optical Monitoring (DOM)?
A: The 1783-SFP100LX/A supports basic link status reporting via the host switch's management interface (SNMP, web GUI, or Rockwell Automation Studio 5000). Advanced diagnostic features like Digital Optical Monitoring (DOM/DDM) for real-time transmit/receive power levels and temperature monitoring depend on switch model capabilities—verify with your specific Stratix switch documentation. Most modern Stratix managed switches provide DOM data for proactive maintenance.

Q: Can I mix 100Mbps SFP modules with 1Gbps SFP modules in the same switch, and will they interoperate?
A: Yes, you can install both 100BASE and 1000BASE SFP modules in the same switch (assuming combo ports support both speeds). However, each link operates at the speed of the installed module—a 100BASE-LX module will establish a 100Mbps link, while a 1000BASE-LX module creates a 1Gbps link. Ensure the far-end device also has a matching-speed module; 100Mbps and 1Gbps modules are not directly compatible on the same fiber link and require speed-matching at both ends.

Q: What fiber patch cable specifications are recommended, and do I need special cleaning procedures?
A: Use OS2-rated single-mode fiber patch cables with LC duplex connectors, typically 9/125μm core/cladding diameter. Cable jacket rating (plenum/riser) should match building code requirements. Always inspect and clean fiber end-faces before connection using lint-free wipes and isopropyl alcohol or a dedicated fiber cleaning pen. Contaminated connectors are the leading cause of fiber link failures—proper cleaning can prevent 80% of installation issues. Consider using pre-terminated factory-polished cables for best results.

Request Technical Support & Custom Solutions

To receive detailed application engineering assistance, product quotations, or customized network design recommendations, please provide the following information to our technical sales team:

• Project Overview: Application type (factory automation, building management, SCADA, etc.) and facility description
• Network Requirements: Number of fiber links, distance between endpoints, required bandwidth, and redundancy needs
• Existing Infrastructure: Current switch models, fiber type (single-mode/multimode), and cable plant details
• Environmental Conditions: Operating temperature range, presence of EMI sources, outdoor/indoor installation, and enclosure requirements
• Compliance & Standards: Industry-specific certifications needed (UL508A, ATEX, IECEx, maritime, etc.)
• Timeline & Budget: Project schedule, quantity requirements, and any budget constraints

Our application engineers will provide one-on-one consultation, fiber link budget calculations, compatibility verification, and complete bill of materials including modules, cables, and accessories. We support both new installations and retrofit projects with legacy equipment integration expertise.

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