Comprehensive Product Summary – SFP1G-LHX40 Gigabit Ethernet Optical Transceiver

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### 1. Product Overview

Product Name: SFP1G-LHX40
Model Number: SFP1G-LHX40
Series: Gigabit Ethernet SFP Optical Transceiver Series
Article Number: SFP1G-LHX40
Manufacturer: ORing Industrial Networking Corp.
Product Type: 1 Gbps Small Form-factor Pluggable (SFP) Optical Transceiver
Transmission Distance: Up to 40 km
Optical Wavelength: 1310 nm
Operating Temperature Range: 0°C to 70°C (standard model)
Industrial Grade Option: SFP1G-LHX40-I (operating temperature -40°C to 85°C)
Fiber Type: Single-mode fiber (SMF)
Connector Type: LC Duplex

The ORing SFP1G-LHX40 is a high-performance, hot-pluggable optical transceiver module designed for Gigabit Ethernet applications over single-mode fiber. It provides a reliable, long-distance optical link up to 40 kilometers, making it ideal for industrial, enterprise, and carrier-grade network infrastructures requiring stable, high-speed data transmission.

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### 2. Key Features

- High-Speed Data Transmission: Supports 1 Gbps full-duplex data rate compliant with IEEE 802.3z Gigabit Ethernet standard.
- Long-Distance Communication: Designed for single-mode fiber links up to 40 km, suitable for metropolitan area networks (MANs), backbone connections, and industrial automation networks.
- Optical Wavelength: Operates at 1310 nm, optimized for low-attenuation single-mode fiber transmission.
- Hot-Pluggable SFP Form Factor: Enables easy installation and replacement without network downtime.
- LC Duplex Optical Interface: Compact and standardized connector for reliable fiber connections.
- Wide Operating Temperature Range: Standard model supports 0°C to 70°C; industrial-grade (-I) version supports -40°C to 85°C for harsh environments.
- Low Power Consumption: Energy-efficient design suitable for high-density switch and router environments.
- Digital Diagnostic Monitoring (DDM): Supports real-time monitoring of optical parameters (if implemented by host device).
- Compatibility: Fully compatible with standard SFP slots on Ethernet switches, routers, and media converters.
- Rugged Industrial Design: Engineered for durability and reliability in mission-critical applications.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Data Rate | 1.25 Gbps nominal |
| Fiber Type | Single-mode fiber (SMF) |
| Transmission Distance | Up to 40 km |
| Optical Wavelength | 1310 nm |
| Connector Type | LC Duplex |
| Optical Output Power (TX) | Max: +1 dBm, Min: -4 dBm |
| Optical Receiver Sensitivity (RX) | -24 dBm (minimum) |
| Receiver Saturation (Max Input Power) | -3 dBm |
| Link Budget | 20 dB |
| Operating Temperature (Standard) | 0°C to 70°C |
| Operating Temperature (Industrial) | -40°C to 85°C |
| Storage Temperature | -40°C to 85°C |
| Power Supply Voltage | 3.3 V DC nominal |
| Power Consumption | <1 W typical |
| Form Factor | SFP (Small Form-factor Pluggable) |
| Dimensions | Approx. 56.5 mm (L) × 13.7 mm (W) × 8.5 mm (H) |
| Weight | Approx. 20 g |
| Compliance | IEEE 802.3z 1000BASE-LX/LH standard |
| Hot-Pluggable | Yes |
| Cooling | Passive |
| Case Material | Metal housing for EMI shielding |
| Connector Interface | LC Duplex optical interface |

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### 4. Functionality

The SFP1G-LHX40 operates as a bidirectional optical transceiver module that converts electrical Gigabit Ethernet signals into optical signals for transmission over single-mode fiber. It uses a 1310 nm laser transmitter and a photodiode receiver to achieve long-distance communication up to 40 km.

Working Principle:
- The module’s transmitter section converts electrical input signals into optical output signals using a 1310 nm laser diode.
- The receiver section detects incoming optical signals and converts them back into electrical signals for the host device.
- The LC duplex connector provides separate transmit (TX) and receive (RX) channels for full-duplex communication.

Use Cases and Applications:
- Long-distance Gigabit Ethernet backbone links between switches or routers.
- Industrial automation networks requiring robust fiber connectivity.
- Metropolitan area networks (MANs) and campus networks.
- Fiber-to-the-building (FTTB) or fiber-to-the-home (FTTH) aggregation points.
- Data center interconnects and enterprise backbone infrastructure.
- Transportation, energy, and utility communication systems.

Compatibility:
- Compatible with all standard SFP ports on Ethernet switches, routers, and media converters.
- Interoperable with other 1310 nm single-mode SFP modules from major vendors.
- Supports both standard and industrial-grade ORing networking devices.

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### 5. Components & Accessories

Included Components:
- SFP1G-LHX40 optical transceiver module (single unit)
- Protective dust caps for LC connectors
- User documentation or datasheet (if applicable)

Optional Accessories:
- Fiber Patch Cords:
- *FPC-LCLC-SS3M*: LC/LC single-mode fiber patch cord, 9/125 μm, 3 m length.
- *FPC-SCLC-SS3M*: SC/LC single-mode fiber patch cord, 9/125 μm, 3 m length.
- *FPC-SCST-SS3M*: SC/ST single-mode fiber patch cord, 9/125 μm, 3 m length.
- Fiber Patch Adapters:
- *FCA-SC-SS*: SC/SC single-mode adapter, 9/125 μm.
- DIN-Rail Power Supplies (for associated network devices):
- *DR-4512*: 45W, 12VDC/3.5A
- *DR-4524*: 45W, 24VDC/2A
- *DR-75-24*: 75W, 24VDC/3.2A
- *DR-120-24*: 120W, 24VDC/5A
- Power Adapters:
- *PAA-121000*: 12VDC/1000mA, US plug
- *PAE-121000*: 12VDC/1000mA, EU plug
- *PAX-482500*: 48VDC/2500mA, universal input
- RF Accessories (for integrated wireless systems):
- RF cables, surge protectors, and antennas (optional for hybrid network setups).

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### 6. Installation & Setup

Installation Requirements:
- Compatible SFP slot on a Gigabit Ethernet switch, router, or media converter.
- Single-mode fiber optic cable with LC duplex connectors.
- Clean optical connectors to ensure optimal signal transmission.

Installation Steps:
1. Power off the host device or ensure the SFP slot supports hot-plugging.
2. Remove the protective dust caps from both the SFP module and the fiber connectors.
3. Insert the SFP1G-LHX40 module into the SFP port until it clicks securely.
4. Connect the single-mode fiber cable to the LC duplex interface (TX to RX, RX to TX).
5. Power on the device and verify link status via LED indicators.
6. Check optical link performance using network management software or DDM (if supported).

Configuration:
- No manual configuration required; the module is plug-and-play.
- Auto-negotiation and link detection are handled by the host device.
- For industrial-grade (-I) models, ensure environmental conditions are within specified limits.

Mounting Options:
- Direct insertion into SFP cages on compatible network equipment.
- Can be used in rack-mounted switches, DIN-rail industrial switches, or media converters.

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### 7. Performance & Capabilities

Transmission Performance:
- Supports full-duplex Gigabit Ethernet transmission up to 1.25 Gbps.
- Provides stable optical signal integrity over distances up to 40 km.
- Maintains low bit error rate (BER) under standard operating conditions.

Optical Characteristics:
- TX Power: -4 dBm to +1 dBm
- RX Sensitivity: -24 dBm
- Receiver Saturation: -3 dBm
- Link Budget: 20 dB

Efficiency and Reliability:
- Low power consumption (<1 W typical) reduces heat generation.
- Metal housing provides EMI shielding and mechanical durability.
- Designed for continuous 24/7 operation in industrial and enterprise environments.

Limitations:
- Designed exclusively for single-mode fiber; not compatible with multimode fiber.
- Requires proper optical attenuation if used over short distances to prevent receiver overload.
- Maximum transmission distance may vary depending on fiber quality and splicing losses.

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### 8. Standards & Compliance

Industry Standards:
- IEEE 802.3z 1000BASE-LX/LH Gigabit Ethernet standard
- SFP Multi-Source Agreement (MSA) compliant
- RoHS (Restriction of Hazardous Substances) compliant
- CE and FCC Class A compliant (for electromagnetic compatibility)
- Laser Safety: Class 1 laser product per IEC 60825-1

Environmental Compliance:
- Operating temperature: 0°C to 70°C (standard), -40°C to 85°C (industrial)
- Storage temperature: -40°C to 85°C
- Humidity: 5% to 95% non-condensing
- Shock and vibration tested for industrial reliability

Quality Assurance:
- Manufactured under ISO 9001 certified processes
- 100% tested for optical performance and interoperability

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### 9. Additional Information

Warranty:
- Standard manufacturer warranty (typically 3 years, depending on region and distributor)
- Covers defects in materials and workmanship under normal use

Technical Support:
- ORing provides comprehensive technical support via website and authorized distributors.
- Firmware and compatibility updates available for supported network devices.

Maintenance:
- Periodic cleaning of LC connectors recommended to maintain optimal optical performance.
- Avoid bending or stressing fiber cables beyond specified bend radius.
- Store unused modules in anti-static packaging with dust caps in place.

Product Updates and Variants:
- SFP1G-LHX40-I: Industrial-grade version with extended temperature range (-40°C to 85°C)
- Related Models:
- *SFP1G-LX10* (10 km, 1310 nm)
- *SFP1G-LX20* (20 km, 1310 nm)
- *SFP1G-LHX30* (30 km, 1310 nm)
- *SFP1G-XD50* (50 km, 1550 nm)
- *SFP1G-ZX70* (70 km, 1550 nm)
- *SFP1G-ZX80* (80 km, 1550 nm)

Manufacturer Contact:
- Website: [www.oring-networking.com](http://www.oring-networking.com)
- Headquarters: ORing Industrial Networking Corp.
- Support Channels: Online documentation, technical hotline, and authorized service centers.

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### Summary

The ORing SFP1G-LHX40 is a robust, high-performance Gigabit Ethernet optical transceiver designed for long-distance single-mode fiber communication up to 40 km. Operating at 1310 nm, it delivers reliable, low-latency data transmission for industrial and enterprise networks. Its compliance with IEEE 802.3z and SFP MSA standards ensures interoperability with a wide range of networking equipment. The module’s compact, hot-pluggable design, combined with its low power consumption and extended temperature tolerance (in the -I version), makes it an ideal choice for demanding applications in transportation, energy, automation, and telecommunications sectors.

With a 20 dB link budget, LC duplex interface, and rugged construction, the SFP1G-LHX40 provides a dependable optical link solution that balances performance, efficiency, and durability—hallmarks of ORing’s “Designed for Rugged Excellence” product philosophy.