SFP 1.25G Tx1490/Rx1550 80Km LC Transceiver
The module data link up to 80km in 9/125um Single-mode fiber. This compatible optical transceiver meets the Small Form Pluggable
1550 Single-Mode Optical Module
A 1550nm single-mode optical module is a fiber-optic transceiver designed for long-distance data transmission over single-mode fiber, typically in SFP or SFP+ form factors.
Overview
A 1550nm single-mode optical module converts electrical signals into light at a wavelength of 1550 nanometers for transmission over single-mode fiber (SMF) and then converts the light back into electrical signals at the receiving end . These modules are widely used in metro, WAN, and long-haul networks due to their ability to transmit data over long distances, often ranging from 40 km to over 100 km depending on the module type .
Key Features
- Form Factor: Commonly available in SFP, SFP+, or BiDi SFP formats for easy integration into network switches, routers, or media converters .
- Data Rate: Typically supports 1 Gbps (1000BASE-ZX), with some advanced modules supporting 10 Gbps or higher .
- Transmission Distance: Standard 1550nm modules can reach up to 80 km, while specialized long-reach modules may exceed 100 km .
- Laser Type: Uses DFB, EML, or FP lasers for stable and efficient light emission .
- Connector Type: Usually LC duplex or LC/UPC, with BiDi modules using a single fiber for bidirectional transmission (TX 1550nm / RX 1310nm), .
- Monitoring: Many modules include Digital Optical Monitoring (DOM) for real-time tracking of temperature, voltage, and optical power .
- Safety: Compliant with Class I laser safety standards .
Applications
- Telecommunications: Long-distance backbone and metro networks.
- Enterprise Networks: Connecting data centers, campuses, or offices over single-mode fiber.
- Industrial and Security Systems: High-definition video transmission and surveillance over extended distances.
- Network Upgrades: Ideal for replacing or extending existing fiber infrastructure with minimal signal loss .
Example Modules
- 1000BASE-ZX SFP 1550nm 80 km: Supports 1 Gbps over single-mode fiber with DOM functionality and LC/UPC duplex connectors .
- BiDi SFP 1000BASE-BX: Uses WDM technology for bidirectional transmission over a single fiber, TX 1550nm / RX 1310nm, up to 40 km .
- LINK-PP LS-SM5510-A0C: 10 Gbps module with cooled EML laser for ultra-long reach applications . These modules provide high-speed, reliable, and energy-efficient solutions for long-distance fiber-optic communication, making them essential components in modern networking infrastructure.
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