Black Box LFP420
SFP 1250 Mbps Extended Diagnostics Transceiver Module
The Black Box LFP420 is a small form-factor pluggable (SFP) transceiver module designed for Gigabit Ethernet networking applications. Supporting data rates of up to 1250 Mbps, it features extended diagnostics monitoring capabilities, ensuring advanced management of optical performance for reliable network connectivity.
As a genuine Black Box product, the LFP420 provides seamless compatibility with enterprise-grade switches, routers, and media converters, offering secure and high-speed fiber connections for mission-critical networks.
Features :
This SFP Transceiver Module delivers Gigabit performance with low power consumption and hot-swappable functionality. With extended diagnostics (DDM), network administrators can monitor key parameters such as optical output power, temperature, voltage, and laser bias current in real time.
Advanced Options :
The LFP420 is compatible with IEEE 802.3 Gigabit Ethernet standards and supports flexible multimode or single-mode fiber connectivity, depending on cable type. Hot-swappable deployment reduces downtime, while robust diagnostics make troubleshooting and preventative maintenance easier in enterprise and ISP networks.
Product Key Features
- Supports up to 1250 Mbps (1.25 Gbps)
- SFP form factor with hot-pluggable design
- Extended Digital Diagnostics Monitoring (DDM)
- Compatible with industry Gigabit Ethernet standards
- Compact, energy-efficient design
- Seamless integration with Black Box switches and converters
- Rugged and reliable for enterprise and carrier networks
Reliability & Performance :
The Black Box LFP420 ensures stable network links by providing advanced optical diagnostics and consistent Gigabit throughput. It offers long-term reliability and prevents failures by enabling proactive monitoring of link health in mission-critical deployments.
Key Features :
- Gigabit Ethernet SFP module with diagnostics
- Allows easy monitoring and troubleshooting
- Energy-efficient, hot-swappable, reliable
- Protects network uptime with proactive monitoring
- Certified by Black Box





Write a Review