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How to Use Duplex LC connector SFP-LX20: Examples, Pinouts, and Specs
Design with Duplex LC connector SFP-LX20 in Cirkit DesignerIntroduction
The Duplex LC Connector SFP-LX20 is a high-performance Small Form-factor Pluggable (SFP) transceiver module designed by GPS for long-range data communication and telecommunication networks. This module is equipped with a Duplex LC connector, which is widely used for connecting single-mode fiber optic cables. It is ideal for applications that require data transmission over long distances with minimal signal loss.
Explore Projects Built with Duplex LC connector SFP-LX20
Satellite Compass and Network-Integrated GPS Data Processing System
This circuit comprises a satellite compass, a mini PC, two GPS antennas, power supplies, a network switch, media converters, and an atomic rubidium clock. The satellite compass is powered by a triple output DC power supply and interfaces with an RS232 splitter for 1PPS signals. The mini PCs are connected to the USRP B200 devices via USB for data and power, and to media converters via Ethernet, which in turn connect to a network switch using fiber optic links. The antennas are connected to the USRP B200s through RF directional couplers, and the atomic clock provides a 1PPS input to the RS232 splitter.
Open Project in Cirkit DesignerSatellite-Based Timing and Navigation System with SDR and Atomic Clock Synchronization
This circuit appears to be a complex system involving power supply management, GPS and timing synchronization, and data communication. It includes a SI-TEX G1 Satellite Compass for GPS data, an XHTF1021 Atomic Rubidium Clock for precise timing, and Ettus USRP B200 units for software-defined radio communication. Power is supplied through various SMPS units and distributed via terminal blocks and DC jacks. Data communication is facilitated by Beelink MINI S12 N95 computers, RS232 splitters, and a 1000BASE-T Media Converter for network connectivity. RF Directional Couplers are used to interface antennas with the USRP units, and the entire system is likely contained within cases for protection and organization.
Open Project in Cirkit DesignerFTDI to UART Adapter with J26 Connector
This circuit connects an FTDI USB-to-serial converter to a standard serial interface via a J26 connector. It facilitates serial communication by linking the ground, transmit, receive, data terminal ready, and request to send signals between the FTDI chip and the J26 connector.
Open Project in Cirkit DesignerOptiplex Micro and PoE Camera Surveillance System with Ethernet Switching
This circuit describes a networked system where an Optiplex Micro computer is powered by a PC Power Supply and connected to a PC Screen via HDMI for display output. The computer is networked through an Ethernet Switch, which also connects to two PoE Cameras and a Toyopuc PLC. The Ethernet Switch is powered by a PoE PSU 48V DC, and all AC-powered devices are connected to a common 220V AC source.
Open Project in Cirkit DesignerExplore Projects Built with Duplex LC connector SFP-LX20
Satellite Compass and Network-Integrated GPS Data Processing System
This circuit comprises a satellite compass, a mini PC, two GPS antennas, power supplies, a network switch, media converters, and an atomic rubidium clock. The satellite compass is powered by a triple output DC power supply and interfaces with an RS232 splitter for 1PPS signals. The mini PCs are connected to the USRP B200 devices via USB for data and power, and to media converters via Ethernet, which in turn connect to a network switch using fiber optic links. The antennas are connected to the USRP B200s through RF directional couplers, and the atomic clock provides a 1PPS input to the RS232 splitter.
Open Project in Cirkit DesignerSatellite-Based Timing and Navigation System with SDR and Atomic Clock Synchronization
This circuit appears to be a complex system involving power supply management, GPS and timing synchronization, and data communication. It includes a SI-TEX G1 Satellite Compass for GPS data, an XHTF1021 Atomic Rubidium Clock for precise timing, and Ettus USRP B200 units for software-defined radio communication. Power is supplied through various SMPS units and distributed via terminal blocks and DC jacks. Data communication is facilitated by Beelink MINI S12 N95 computers, RS232 splitters, and a 1000BASE-T Media Converter for network connectivity. RF Directional Couplers are used to interface antennas with the USRP units, and the entire system is likely contained within cases for protection and organization.
Open Project in Cirkit DesignerFTDI to UART Adapter with J26 Connector
This circuit connects an FTDI USB-to-serial converter to a standard serial interface via a J26 connector. It facilitates serial communication by linking the ground, transmit, receive, data terminal ready, and request to send signals between the FTDI chip and the J26 connector.
Open Project in Cirkit DesignerOptiplex Micro and PoE Camera Surveillance System with Ethernet Switching
This circuit describes a networked system where an Optiplex Micro computer is powered by a PC Power Supply and connected to a PC Screen via HDMI for display output. The computer is networked through an Ethernet Switch, which also connects to two PoE Cameras and a Toyopuc PLC. The Ethernet Switch is powered by a PoE PSU 48V DC, and all AC-powered devices are connected to a common 220V AC source.
Open Project in Cirkit DesignerCommon Applications and Use Cases
- Gigabit Ethernet (1 Gbps) links
- Fiber Channel over long distances
- Telecommunication networks
- Data center networking infrastructure
- High-speed storage area networks (SAN)
Technical Specifications
Key Technical Details
- Form Factor: SFP
- Data Rate: 1.25 Gbps
- Wavelength: 1310 nm
- Fiber Type: Single-mode
- Connector Type: Duplex LC
- Max Cable Distance: 20 km
- TX Power: -9 to -3 dBm
- RX Sensitivity: < -23 dBm
- Operating Temperature: 0°C to 70°C
Pin Configuration and Descriptions
| Pin Number | Name | Description |
|---|---|---|
| 1 | VeeT | Transmitter Ground |
| 2 | TX Fault | Transmitter Fault Indication |
| 3 | TX Disable | Transmitter Disable |
| 4 | MOD_DEF(2) | Module Definition 2 |
| 5 | MOD_DEF(1) | Module Definition 1 |
| 6 | MOD_DEF(0) | Module Definition 0 |
| 7 | Rate Select | Not Connected |
| 8 | LOS | Loss of Signal |
| 9 | VeeR | Receiver Ground |
| 10 | VeeR | Receiver Ground |
| 11 | VeeR | Receiver Ground |
| 12 | RD- | Inverted Received Data Output |
| 13 | RD+ | Non-Inverted Received Data Output |
| 14 | VeeR | Receiver Ground |
| 15 | VccR | Receiver Power Supply |
| 16 | VccT | Transmitter Power Supply |
| 17 | VeeT | Transmitter Ground |
| 18 | TD+ | Non-Inverted Transmitter Data Input |
| 19 | TD- | Inverted Transmitter Data Input |
| 20 | VeeT | Transmitter Ground |
Usage Instructions
How to Use the Component in a Circuit
- Power Supply: Ensure that the SFP-LX20 is connected to a power supply that matches the specifications (typically 3.3V).
- Connection: Insert the SFP-LX20 module into an SFP port on your networking device, ensuring a firm connection.
- Fiber Optic Cable: Connect the single-mode fiber optic cable to the Duplex LC connector. Make sure the cable is free of bends and breaks.
- Configuration: Configure the networking device to recognize the SFP-LX20 module, setting the appropriate data rate and operational mode.
Important Considerations and Best Practices
- Always handle the SFP module by the edges to avoid electrostatic discharge damage.
- Use dust caps to protect the optical connector when not in use.
- Avoid touching the connector end-face to prevent contamination.
- Ensure that the fiber optic cable is clean and free of dust before connecting.
- Do not exceed the maximum cable distance to maintain signal integrity.
Troubleshooting and FAQs
Common Issues Users Might Face
- No Link Light: Ensure the fiber cable is properly connected and the correct type (single-mode) is used.
- Low Signal Strength: Check for bends in the fiber cable or clean the connectors if dirty.
- Module Not Recognized: Verify that the SFP module is properly seated in the port and the device supports the module.
Solutions and Tips for Troubleshooting
- Re-seat the SFP module in its slot to ensure a proper connection.
- Inspect the fiber optic cable for damage and replace it if necessary.
- Clean the Duplex LC connectors with a proper fiber cleaning tool.
- Check the device's compatibility list to ensure the SFP-LX20 is supported.
FAQs
Q: Can the SFP-LX20 be used with multimode fiber? A: No, the SFP-LX20 is designed for single-mode fiber applications only.
Q: What is the maximum data rate supported by the SFP-LX20? A: The SFP-LX20 supports a data rate of up to 1.25 Gbps.
Q: Is the SFP-LX20 compatible with all SFP ports? A: The SFP-LX20 is compatible with standard SFP ports, but it is always recommended to check the device's compatibility list.
Q: Can I hot-swap the SFP-LX20 module? A: Yes, the SFP-LX20 supports hot-swapping, but always refer to your device's manual for specific instructions.
Note: This documentation is for informational purposes only. Always consult the manufacturer's official documentation for the most accurate and detailed information.