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by Juniper
Product Line: Juniper SFP-1GE-LX
Product Type: Optical Transceiver
Original price $0.00 - Original price $42.00
Original price
$0.00 - $42.00
Current price $42.00
Title: Used

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Product Description

The SFP-1GE-LX is a Small Form Factor Pluggable (SFP) Gigabit Ethernet optic designed for long-distance communication with a reach of 10km over single-mode fiber (SMF), supporting a signaling rate of 1.25 Gbps. It operates within a transmitter wavelength range of 1270 nm to 1355 nm, ensuring compatibility with 1000Base-LX Ethernet standards and a maximum power consumption of 1 W. This module features a duplex LC connector, operates between –5° C to 70° C, and is compliant with SFP Multi-Source Agreement (MSA) for seamless integration and reliability in network setups.

Key Feature for the SFP-1GE-LX

  • What is the form factor of the 1000Base-LX Gigabit Ethernet Optics?
    The form factor is SFP.
  • Can you provide the transmission wavelength for part number 1000Base-LX?
    The TX wavelength is 1310nm.
  • What is the maximum distance the SFP can cover?
    It can cover a distance of up to 10km.
  • How does the 1000Base-LX comply with Ethernet standards?
    It complies with the 1000BASE-LX Ethernet standard.
  • What is the signaling rate for this SFP module?
    The signaling rate is 1.25 Gbps for each lane.
  • What range of transmitter wavelengths does the 1000Base-LX support?
    It supports a range of 1270 nm to 1355 nm.
  • What are the minimum and maximum transmitter output power levels?
    The minimum is -9.5 dBm and the maximum is -3 dBm.
  • What is the receiver sensitivity for the 1000Base-LX?
    The stressed receiver sensitivity (OMA) is a maximum of -14.4 dBm.
  • What type of cable is required for the SFP module?
    SMF (Single-Mode Fiber) is required.
  • Is the 1000Base-LX module hot-pluggable?
    Yes, it is hot-pluggable and MSA compliant to maximize uptime.

Product Review

The Juniper SFP-1GE-LX offers a reliable solution for extending network reach up to 10km over single-mode fiber, with a transmission wavelength of 1310nm, ensuring compatibility with a wide range of Gigabit Ethernet applications. However, its operating temperature range of -5°C to 70°C may limit deployment in environments with extreme temperatures. Additionally, its compliance with 1000BASE-LX standards and low power consumption of 1W make it an efficient choice for network expansions, though the upper limit of its operating temperature range could be restrictive for certain field applications.


The Juniper SFP-1GE-LX transceiver module provides a high-performance connection for Gigabit Ethernet applications over single-mode fiber (SMF). Designed for compatibility with the Small Form Factor Pluggable (SFP) Multi-Source Agreement (MSA), this module is a key component in maintaining network uptime through its hot-pluggable feature, allowing for seamless integration without the need to power down the network system during upgrades or replacements. With a signaling rate of 1.25 Gbps, the Juniper SFP-1GE-LX supports 1000Base-LX Ethernet standards, ensuring reliable data transmission over a distance of up to 10 kilometers. This capability is ideal for extending network connections between geographically dispersed locations within a campus or between buildings in an enterprise network. The module operates within a transmitter wavelength range of 1270 nm to 1355 nm, with a standard TX wavelength of 1310nm, making it well-suited for long-distance communication. Its transmitter output power ranges from a minimum of -9.5 dBm to a maximum of -3 dBm, while the receiver input power operates within a similar range, from a minimum of -19 dBm to a maximum of -3 dBm. This balance in input and output power ensures a stable connection with minimal signal loss over the entire supported distance. Key hardware specifications include: - Connector: Duplex LC, providing a secure and reliable physical connection. - Maximum Power Consumption: 1 W, highlighting the module's efficiency in energy use. - Cable Type: SMF, ensuring compatibility with standard single-mode fiber optic cables for high-speed transmissions. The Juniper SFP-1GE-LX is designed to withstand a wide range of environmental conditions. It operates effectively in temperatures ranging from –5° C to 70° C and can be stored in temperatures from –40° C to 85° C, making it suitable for deployment in various settings without concern for temperature-induced degradation. Physical dimensions of the module include a height of 8.55 mm, width of 13.55 mm, and depth of 57.5 mm, with a weight of 0.15 kg. These compact dimensions ensure that the module can be easily accommodated in tight spaces, maximizing the utilization of available rack space. Compliance with 1000BASE-LX Ethernet standards ensures that the Juniper SFP-1GE-LX can be integrated into existing networks without compatibility issues, providing a cost-effective solution for network expansion or upgrading legacy systems to support gigabit speeds. In summary, the Juniper SFP-1GE-LX is a versatile and efficient solution for extending network connections over long distances using single-mode fiber. Its compliance with industry standards, combined with low power consumption and reliable performance under a wide range of environmental conditions, makes it an ideal choice for a variety of networking applications.


Part NumberJuniper SFP-1GE-LX
Product Type1000Base-LX Gigabit Ethernet SFP Module
Module TypeSFP
Emission Wavelength1310nm
Maximum Transmission Distance10km
Interface Category1000Base
Connector TypeDuplex LC
Compliance with Standards1000BASE-LX
Data Rate Per Lane1.25 Gbps
Wavelength Spectrum1270 nm to 1355 nm
Minimum Transmit Power Per Lane-9.5 dBm
Maximum Transmit Power Per Lane-3 dBm
Minimum Receiver Sensitivity Per Lane-19 dBm
Maximum Receiver Sensitivity Per Lane-3 dBm
Maximum Optical Modulation Amplitude Sensitivity-14.4 dBm
Link Length10 km
Power Usage Maximum1 W
Operational Temperature Scope-5° C to 70° C
Temperature Range for Storage-40° C to 85° C
Mass0.15 kg
Vertical Dimension8.55 mm
Horizontal Dimension13.55 mm
Length Dimension57.5 mm
Fiber TypeSMF
FeatureHot-Swap Capability Compliant with SFP MSA to Ensure Reliability

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