1000BASE-LX SFP Fiber Module | Allen-Bradley 1783-SFP1GLX Industrial Transceiver

1000BASE-LX SFP Fiber Optic Module (Industrial Gigabit Ethernet Transceiver)

The 1783-SFP1GLX is an industrial-grade 1000BASE-LX Small Form-factor Pluggable (SFP) transceiver designed for long-distance singlemode fiber connectivity in harsh industrial environments. Through advanced optical transmission technology and hot-swappable design, it enables reliable 10km Gigabit Ethernet communication for mission-critical automation networks.

Ideal for industrial automation systems, factory floor networks, building infrastructure, and remote site connectivity, this module addresses challenges such as electromagnetic interference, long-distance signal degradation, network downtime during maintenance, and extreme temperature fluctuations in production facilities.

With standardized compatibility and field-proven reliability, the 1783-SFP1GLX offers seamless Stratix switch integration, extended operating temperature range (-40°C to +85°C), zero-downtime hot-swap capability, and superior EMI immunity. Perfect for system integrators, plant engineers, OEM equipment manufacturers, and industrial network designers. Contact our application engineers for customized network topology design and technical consultation.

Core Features & Technical Advantages

Long-Distance Singlemode Transmission
Utilizes 1310nm laser technology with LC duplex connectors to achieve up to 10km transmission over 9/125μm singlemode fiber, eliminating the need for signal repeaters in campus or multi-building industrial networks.

Industrial-Grade Environmental Resilience
Operates reliably in extreme temperatures from -40°C to +85°C, with enhanced vibration resistance and conformal coating protection, making it suitable for steel mills, mining operations, outdoor cabinets, and uncontrolled environments.

Hot-Swappable Plug-and-Play Design
Supports online insertion and removal without powering down the switch, minimizing network disruption during upgrades, troubleshooting, or preventive maintenance activities.

Full Gigabit Bandwidth Performance
Delivers true 1000Mbps full-duplex throughput with low latency and minimal packet loss, ensuring real-time data integrity for SCADA systems, motion control networks, and high-speed vision inspection applications.

Native Stratix Platform Compatibility
Factory-tested and validated for seamless integration with Allen-Bradley Stratix managed and unmanaged industrial Ethernet switches, ensuring plug-and-play deployment with automatic link negotiation and diagnostic support.

Comprehensive Diagnostic & Monitoring
Provides Digital Diagnostic Monitoring Interface (DDMI) support for real-time tracking of optical power levels, temperature, voltage, and laser bias current, enabling proactive maintenance and fault prediction.

Typical Application Scenarios

This SFP module is engineered for environments demanding high reliability, extended reach, and immunity to electrical noise, particularly in:

Factory Automation & Process Control Networks
Connects distributed I/O racks, PLC controllers, HMI stations, and remote control rooms across production lines, ensuring deterministic communication for time-sensitive manufacturing processes in automotive, pharmaceutical, and food & beverage industries.

Building & Campus Backbone Infrastructure
Establishes fiber uplinks between building distribution frames (BDF) and main equipment rooms (MER) in commercial complexes, hospitals, universities, and data centers, providing scalable bandwidth and future-proof infrastructure for converged IP networks.

Utility & Energy Management Systems
Supports substation automation, smart grid monitoring, and renewable energy plant communications where electrical isolation, lightning protection, and long-distance connectivity are critical requirements.

Transportation & Intelligent Traffic Systems
Enables roadside equipment connectivity for toll collection systems, traffic signal controllers, and surveillance networks along highways, tunnels, and rail transit corridors where copper cabling is impractical.

Oil & Gas Remote Monitoring
Facilitates secure, high-bandwidth links between wellhead instrumentation, pipeline monitoring stations, and central control facilities in hazardous classified areas with extreme temperature variations.

Technical Specifications & Selection Guide

To ensure optimal performance and compatibility, please review the following technical parameters:

Optical Specifications:

• Wavelength: 1310nm (nominal)
• Fiber Type: 9/125μm singlemode (SMF)
• Maximum Distance: 10km (6.2 miles)
• Connector Type: LC duplex
• Transmit Power: -9.5 to -3 dBm
• Receiver Sensitivity: -20 dBm (minimum)

Electrical & Environmental:

• Data Rate: 1000Mbps (1.25Gbps line rate)
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Storage Temperature: -40°C to +100°C
• Operating Humidity: 5% to 95% non-condensing
• Power Consumption: ≤1.0W typical
• Supply Voltage: 3.3V ±5%

Mechanical & Compliance:

• Form Factor: SFP MSA compliant
• Dimensions: 56.5mm × 13.5mm × 8.5mm
• Weight: Approximately 15g
• MTBF: >1,000,000 hours (Telcordia SR-332)
• Standards: IEEE 802.3z, SFP MSA, RoHS compliant

Selection Recommendations:
When specifying this module, consider: required transmission distance, existing fiber infrastructure type (verify singlemode vs. multimode), ambient temperature range at installation site, switch port availability and SFP slot compatibility, and future bandwidth expansion needs. For distances under 550m with multimode fiber, consider the 1000BASE-SX variant (1783-SFP1GSX). For assistance with network design or fiber budget calculations, please provide site survey data and our engineers will recommend the optimal configuration.

Enhanced Capabilities & Integration Options

Network Redundancy Support
Compatible with Resilient Ethernet Protocol (REP), Media Redundancy Protocol (MRP), and Rapid Spanning Tree Protocol (RSTP) for sub-50ms failover in ring and mesh topologies.

Quality of Service (QoS) Optimization
Works seamlessly with Stratix switch QoS policies to prioritize CIP motion, voice, and video traffic over standard data, ensuring deterministic performance for real-time applications.

Secure Communication Infrastructure
Fiber optic transmission provides inherent immunity to electromagnetic eavesdropping and ground loop interference, meeting security requirements for defense, pharmaceutical, and financial sector installations.

Scalable Architecture
Supports incremental network expansion without forklift upgrades—simply add SFP modules to existing switch infrastructure as new zones or equipment are commissioned.

Delivery, Support & Quality Assurance

Lead Time: Standard catalog items ship within 3-5 business days; custom-tested or volume orders typically require 7-14 days depending on configuration and destination.

Warranty: Backed by a comprehensive 24-month manufacturer warranty covering defects in materials and workmanship under normal operating conditions.

Technical Support: Access to factory-trained application engineers for pre-sales consultation, installation guidance, and post-deployment troubleshooting via phone, email, and remote diagnostic tools.

Documentation Package: Each module includes quick-start installation guide, optical safety information, compliance certificates, and access to downloadable datasheets, CAD drawings, and integration manuals for seamless commissioning.

Testing & Certification: Factory-tested for optical performance, temperature cycling, and interoperability with Stratix switch platforms. Complies with international standards including IEEE 802.3, FCC Part 15, CE, and RoHS directives.

Frequently Asked Questions (FAQ)

Q: How do I install the 1000BASE-LX SFP module into my Stratix switch?
A: Align the module with the SFP port slot, insert firmly until the latch clicks, then connect the LC fiber connectors (TX to RX, RX to TX on the remote end). The link LED should illuminate green within seconds. No software configuration is required for basic operation—auto-negotiation handles speed and duplex settings automatically.

Q: What is the maximum number of SFP modules supported per switch?
A: This depends on your specific Stratix switch model. For example, the Stratix 5700 supports up to 24 SFP ports, while compact models like Stratix 2500 may offer 2-4 combo ports. Consult your switch datasheet or contact us with your model number for exact port availability.

Q: Can this module achieve the full 10km distance in my application?
A: The 10km specification assumes clean 9/125μm singlemode fiber with minimal splice loss and proper connector termination. Actual distance may be reduced by dirty connectors, excessive bends, or inline patch panels. We recommend a fiber optic power budget calculation—our engineers can assist with link loss analysis based on your installation details.

Q: What environmental protection does this SFP module offer?
A: The module itself is rated for -40°C to +85°C operation and features conformal coating for humidity resistance. However, it must be installed in an appropriately rated enclosure (e.g., NEMA 4X or IP65 cabinet) if exposed to dust, moisture, or corrosive atmospheres. The host switch enclosure determines overall system environmental rating.

Q: Does this module support remote monitoring and diagnostics?
A: Yes, it includes Digital Diagnostic Monitoring Interface (DDMI) per SFF-8472 specification. When used with compatible Stratix switches and network management software (such as Rockwell FactoryTalk or SNMP-based NMS), you can monitor real-time optical transmit/receive power, temperature, voltage, and laser bias current for predictive maintenance and troubleshooting.

Q: Is this module compatible with non-Allen-Bradley switches?
A: While designed and tested for Stratix platforms, the 1783-SFP1GLX follows industry-standard SFP MSA specifications and IEEE 802.3z, making it generally compatible with third-party managed switches that support 1000BASE-LX SFP modules. However, advanced diagnostic features and warranty coverage are optimized for use within Allen-Bradley ecosystems.

Request Technical Consultation & Quotation

To receive a detailed network design proposal, competitive pricing, or application-specific technical support, please provide the following information: project name and industry sector, number of fiber links and approximate distances, existing switch models and available SFP slots, environmental conditions (temperature range, enclosure type), required delivery timeline, and any special certifications or compliance requirements. Our certified engineers will respond within one business day with a customized solution and budget estimate.

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