Comprehensive Product Summary – SFP1GB3-LX20

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### 1. Product Overview

Product Name: SFP1GB3-LX20
Model Number: SFP1GB3-LX20
Series: Gigabit Ethernet BIDI SFP Optical Transceiver Series
Article Number: SFP1GB3-LX20
Manufacturer: ORing Industrial Networking Corp.
Product Type: 1 Gbps Single-Mode Bi-Directional (BIDI) SFP Optical Transceiver
Transmission Specification: TX: 1310 nm / RX: 1550 nm, 20 km reach
Operating Temperature Range: 0°C to 70°C (standard model); -40°C to 85°C (industrial “-I” model)
Website: [www.oring-networking.com](http://www.oring-networking.com)

The ORing SFP1GB3-LX20 is a high-performance, hot-pluggable Gigabit Ethernet SFP (Small Form-factor Pluggable) optical transceiver designed for single-mode fiber communication up to 20 kilometers. It supports bi-directional data transmission over a single fiber strand, utilizing 1310 nm for transmission and 1550 nm for reception. This module is part of ORing’s ruggedized industrial-grade optical transceiver lineup, optimized for reliable operation in demanding network environments.

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### 2. Key Features

- Gigabit Ethernet Performance: Supports data rates up to 1 Gbps for high-speed network backbones and industrial Ethernet applications.
- Bi-Directional (BIDI) Transmission: Uses a single optical fiber for both transmit and receive functions, reducing fiber infrastructure costs.
- Optical Wavelengths: Transmit wavelength at 1310 nm and receive wavelength at 1550 nm, ensuring compatibility with complementary BIDI modules (e.g., SFP1GB5-LX20).
- Extended Reach: Supports transmission distances up to 20 km over standard 9/125 μm single-mode fiber.
- Hot-Pluggable SFP Interface: Enables easy installation and replacement without network downtime.
- Compact Form Factor: Standard SFP footprint compatible with a wide range of Ethernet switches, routers, and media converters.
- Industrial Temperature Option: Available in an extended temperature version (-40°C to 85°C) for harsh environments.
- Low Power Consumption: Designed for energy-efficient operation in industrial and enterprise networking equipment.
- Digital Diagnostics (optional): Supports SFP MSA-compliant digital diagnostic monitoring (DDM) for real-time optical performance tracking.
- Interoperability: Fully compliant with IEEE 802.3z Gigabit Ethernet and SFP Multi-Source Agreement (MSA) standards.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Data Rate | 1 Gbps |
| Fiber Type | Single-mode (9/125 μm) |
| Transmission Distance | Up to 20 km |
| Connector Type | LC Simplex |
| Transmission Wavelength (TX) | 1310 nm |
| Reception Wavelength (RX) | 1550 nm |
| Optical Output Power (Max TX) | -2 dBm |
| Optical Output Power (Min TX) | -8 dBm |
| Receiver Sensitivity (Min Input Power) | -23 dBm |
| Receiver Saturation (Max Input Power) | -1 dBm |
| Link Budget | 20 dB |
| Operating Temperature (Standard) | 0°C to 70°C |
| Operating Temperature (Industrial -I) | -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 |
| Dimensions | Approx. 56.5 mm (L) × 13.7 mm (W) × 8.5 mm (H) |
| Weight | Approx. 20 g |
| Compliance | IEEE 802.3z, SFP MSA, RoHS |

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### 4. Functionality

The SFP1GB3-LX20 operates as a bi-directional optical transceiver, enabling full-duplex Gigabit Ethernet communication over a single strand of single-mode fiber. It transmits optical signals at 1310 nm and receives at 1550 nm, requiring a complementary transceiver (such as SFP1GB5-LX20) on the opposite end that transmits at 1550 nm and receives at 1310 nm.

Typical Use Cases:
- Industrial Ethernet switches and routers
- Media converters and fiber extenders
- Metropolitan area networks (MAN)
- Long-distance point-to-point fiber links
- CCTV and IP surveillance backhaul
- Utility and transportation network infrastructure

Compatibility:
- Compatible with all ORing industrial Ethernet switches supporting SFP slots
- Interoperable with other MSA-compliant SFP ports from major network equipment vendors
- Works with standard single-mode fiber patch cords (LC simplex)

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### 5. Components & Accessories

Included Components:
- SFP1GB3-LX20 transceiver module
- Protective dust cap for LC connector
- Product documentation and compliance label

Optional Accessories:
- Fiber Patch Cords:
- *FPC-SCLC-SS3M* – SC/LC single-mode 9/125 μm, 3 m
- *FPC-LCLC-SS3M* – LC/LC single-mode 9/125 μm, 3 m
- Fiber Patch Adapters:
- *FCA-SC-SS* – SC/SC single-mode adapter, 9/125 μm
- DIN-Rail Power Supplies (for associated devices):
- *DR-4512* (12VDC/3.5A), *DR-4524* (24VDC/2A), *DR-75-24* (24VDC/3.2A), *DR-120-24* (24VDC/5A)
- Power Adapters:
- *PAA-121000* (12VDC/1A, US plug), *PAE-121000* (EU plug), *PAX-482500* (48VDC/2.5A, no cord)

These accessories ensure optimal connectivity and power delivery for ORing networking devices utilizing the SFP1GB3-LX20 module.

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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 simplex connector
- Clean optical connectors to prevent signal loss

Installation Steps:
1. Power off the host device or ensure the SFP slot supports hot-plugging.
2. Remove the protective cap from the SFP module and the fiber connector.
3. Insert the SFP1GB3-LX20 into the SFP port until it clicks securely.
4. Connect the single-mode fiber cable to the LC port.
5. Connect the opposite end of the fiber to a complementary BIDI SFP (e.g., SFP1GB5-LX20).
6. Power on the device and verify link/activity LEDs.

Configuration:
- No software configuration required; the module is plug-and-play.
- For managed switches, link parameters can be monitored via SNMP or web interface.
- Optional DDM (Digital Diagnostic Monitoring) can provide real-time optical power and temperature readings.

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### 7. Performance & Capabilities

Speed and Throughput:
- Supports full-duplex 1 Gbps Ethernet transmission, compliant with IEEE 802.3z.
- Provides stable, low-latency optical communication suitable for high-bandwidth applications.

Optical Performance:
- Typical link budget of 20 dB ensures reliable operation up to 20 km.
- Receiver sensitivity of -23 dBm allows for robust signal detection even under marginal conditions.
- Saturation threshold of -1 dBm prevents receiver overload in short-distance links (attenuator recommended if necessary).

Efficiency and Reliability:
- Low power consumption (<1 W) minimizes heat generation.
- Industrial-grade components ensure long-term stability and resistance to temperature fluctuations.
- Designed for continuous 24/7 operation in mission-critical environments.

Limitations:
- Requires pairing with a complementary wavelength BIDI SFP (TX1550/RX1310) for proper operation.
- Not suitable for multi-mode fiber.
- Optical attenuator may be required for short-distance (<1 km) connections to prevent receiver saturation.

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### 8. Standards & Compliance

Industry Standards:
- IEEE 802.3z Gigabit Ethernet
- SFP Multi-Source Agreement (MSA)
- ITU-T G.957 and G.958 optical interface standards

Regulatory Compliance:
- RoHS (Restriction of Hazardous Substances) compliant
- CE and FCC Class A certified for electromagnetic compatibility
- Laser safety compliant with IEC 60825-1 Class 1 standards

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

Reliability Testing:
- Thermal cycling and vibration tested for industrial-grade durability
- MTBF (Mean Time Between Failures): >500,000 hours

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### 9. Additional Information

Warranty:
- Standard 3-year limited warranty from ORing Industrial Networking Corp.
- Extended warranty options available for industrial-grade models.

Technical Support:
- Comprehensive technical documentation and datasheets available online.
- Global support network with regional service centers.
- Firmware and compatibility updates provided through ORing’s support portal.

Maintenance:
- Periodic cleaning of fiber connectors recommended to maintain optimal signal quality.
- Inspect transceiver latch and connector integrity during routine maintenance cycles.
- Replace protective dust caps when module is not in use.

Product Lifecycle and Updates:
- Fully supported within ORing’s current Gigabit SFP product line.
- Backward compatible with legacy ORing switches and forward-compatible with future SFP-based devices.
- Regular firmware and compatibility updates ensure long-term interoperability.

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### Summary

The ORing SFP1GB3-LX20 is a robust, high-performance 1 Gbps single-mode bi-directional SFP transceiver engineered for industrial and enterprise networking applications requiring long-distance fiber connectivity. With a 20 km transmission range, TX1310/RX1550 nm wavelength pairing, and compact LC simplex interface, it delivers reliable, cost-effective optical communication over a single fiber strand.

Its rugged design, broad temperature tolerance, and compliance with international standards make it ideal for deployment in industrial automation, transportation, energy, and telecommunications networks. The module’s plug-and-play compatibility, low power consumption, and optional digital diagnostics further enhance its usability and reliability in mission-critical environments.

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In summary, the SFP1GB3-LX20 exemplifies ORing’s commitment to rugged, high-quality networking components designed for long-term performance and interoperability across diverse industrial and commercial network infrastructures.