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by Juniper
Product Line: Juniper QFX Switches
Product Type: JNP-QSFP28-100G-PSM4
Original price $206.00 - Original price $1,070.00
Original price
$206.00 - $1,070.00
Current price $1,070.00
Title: Surplus

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Product Description

The JNP-QSFP28-100G-PSM4 is a Juniper QSFP28 transceiver designed for 100GBase PSM4 applications, capable of transmitting data over 2 km on SMF with a 1310nm wavelength. It features an MPO connector type, supports DDM, and operates within a +2.0 dBm to +4.5 dBm TX power range and a -9.0 dBm to +4.5 dBm RX power range, adhering to the IEEE 802.3bm standard. The module requires a +3.3V power supply, has a maximum power consumption of 3.5W, and is designed to function in various temperature ranges, with a standard operating case temperature between 0°C and +70°C.

Key Feature for the JNP-QSFP28-100G-PSM4

  • What is the form factor of QSFP28 100GBASE-PSM4 optics?
    The form factor is QSFP28.
  • How far can the QSFP28 transmit data over SMF?
    It can transmit data up to 2 km over parallel SMF.
  • What wavelength does the QSFP28 100GBASE-PSM4 operate on?
    It operates at a wavelength of 1310nm.
  • What type of fiber cable is compatible with this optic?
    It is compatible with Single Mode Fiber (SMF).
  • Is Digital Diagnostic Monitoring (DDM) supported by these optics?
    Yes, DDM is supported.
  • What is the maximum optical power budget for the QSFP28 100GBASE-PSM4?
    The optical power budget is 11 dB.
  • What are the minimum and maximum operating case temperatures for the standard range?
    The minimum is 0°C and the maximum is +70°C.
  • Does the QSFP28 100GBASE-PSM4 require a single or dual power supply?
    It requires a single +3.3V power supply.
  • What is the maximum power consumption of this optic?
    The maximum power consumption is 3.5W.
  • What connector type is used with these optics?
    The connector type is MPO.

Product Review

The Juniper JNP-QSFP28-100G-PSM4 provides a solid solution for long-distance, high-speed data transmission with its support for up to 2km over single-mode fiber and compliance with IEEE 802.3bm 100GBASE PSM4 standards. However, its reliance on MPO connectors might limit flexibility in some network infrastructures that predominantly use LC or SC connectors. Additionally, while the module operates within a wide range of temperatures, its maximum power consumption of 3.5W could be a concern in environments with strict power efficiency requirements.


The Juniper JNP-QSFP28-100G-PSM4 is a high-performance optical transceiver designed for 100G networking. This module supports 100GBASE-PSM4 applications, enabling long-distance communication over single-mode fiber (SMF) with a reach of up to 2 kilometers. It operates at a transmission wavelength of 1310nm, ensuring compatibility with a wide range of networking equipment and fiber infrastructure. Designed with a QSFP28 form factor, this transceiver integrates seamlessly into corresponding ports, offering an efficient upgrade path for high-speed networking without the need for extensive reconfiguration. The device supports a data rate of 100G, making it suitable for high-bandwidth applications in data centers, enterprise networks, and cloud infrastructure. Key hardware specifications include: - Interface Type: PSM4, utilizing 4 independent full-duplex channels, each capable of 25Gbps for a combined 100Gbps data rate. This parallel single-mode fiber approach ensures reliable, high-speed transmissions over longer distances. - Cable Type: The module is designed for use with SMF, specifically G.652 fiber, which is standard for telecommunications and ensures compatibility and performance across a broad range of network deployments. - Connector Type: It employs an MPO connector, facilitating easy and secure connections to network equipment and fiber cabling. In terms of optical specifications, the module features an optical power budget of 11 dB, with transmit power ranging from +2.0 dBm to +4.5 dBm and receive power sensitivity from -9.0 dBm to +4.5 dBm. These parameters ensure robust signal integrity and performance over the entire reach of up to 2 km. The Juniper JNP-QSFP28-100G-PSM4 is equipped with Digital Diagnostic Monitoring (DDM) capabilities, allowing for real-time monitoring of the module's operational parameters, such as temperature, optical power levels, and voltage, ensuring the health and performance of the network can be actively managed. The module operates on a single +3.3V power supply, with a maximum power consumption of 3.5W, highlighting its efficiency. It is designed to operate within a broad range of temperatures to suit various environmental conditions, from standard operating case temperatures (0°C to +70°C) to extended (-4°C to +85°C) and industrial (-40°C to +85°C) ranges, ensuring reliability in diverse operational environments. Compliance with IEEE 802.3bm for 100GBASE PSM4 standards ensures that this transceiver meets rigorous specifications for performance, safety, and environmental impact, making it a reliable choice for upgrading network infrastructure to 100G speeds. In summary, the Juniper JNP-QSFP28-100G-PSM4 optical transceiver is a key component for enterprises and service providers looking to expand their network's bandwidth and performance over longer distances, with a focus on efficiency and reliability. Its comprehensive feature set, including advanced diagnostics, wide operating temperature range, and compliance with industry standards, makes it an ideal solution for next-generation, high-speed networking requirements.


Part NumberJuniper JNP-QSFP28-100G-PSM4
TypeQSFP28 100GBASE-PSM4 module for up to 2km over single-mode fiber
Form FactorQSFP28
Transmit Wavelength1310nm
Maximum Distance2km
Fiber TypeSingle-mode Fiber (SMF)
Data Rate100Gbps
Connection ProtocolPSM4
Digital Diagnostic MonitoringSupported
Optical Budget11 dB
Minimum TX Power+2.0 dBm
Maximum TX Power+4.5 dBm
Minimum RX Power-9.0 dBm
Maximum RX Power+4.5 dBm
Standards ComplianceIEEE 802.3bm 100GBASE PSM4
Channels4 independent full-duplex channels
Compatible FiberG.652 SMF
Power Supply Requirement+3.3V
Max Power Draw3.5W
Operating Temperature (Standard)0°C to +70°C
Operating Temperature (Extended)-4°C to +85°C
Operating Temperature (Industrial)-40°C to +85°C

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