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by Juniper
Product Line: Juniper Network Interface Module
Product Type: MIC3D20GESFP
Original price $0.00 - Original price $433.00
Original price
$0.00 - $433.00
Current price $433.00
Title: Used

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Product Description

The MIC-3D-20GE-SFP is equipped with 20 Gigabit Ethernet ports and 2x 1 Gigabit Ethernet SFP network ports, supporting high-performance throughput at speeds up to 1 Gbps with auto-negotiation capabilities. It requires 0.77 A @ 48 V (37 W) of power and offers a maximum transmission unit (MTU) of up to 9192 bytes, facilitating up to 20-Gbps of full-duplex traffic. Designed for flexibility, it fits in an fpc slot within the router, operates between 32° F and 131° F, and supports operating altitudes up to 10,000 ft (3048 m), making it a versatile choice for varied networking environments.

Key Feature for the MIC3D20GESFP

  • Q: What is the power requirement for this networking hardware?
  • A: The power requirement is 0.77 A @ 48 V, totaling 37 W.
  • Q: How many Gigabit Ethernet ports does the device feature?
  • A: It features 20 Gigabit Ethernet ports.
  • Q: What is the maximum operational altitude for this hardware?
  • A: The maximum operating altitude is 10,000 ft (3048 m).
  • Q: How much RAM does this device come with?
  • A: It comes with 64 GB of DDR4 RAM.
  • Q: What are the minimum and maximum operating temperatures?
  • A: The minimum operating temperature is 32° F and the maximum is 131° F.
  • Q: Can you detail the auto-negotiation capabilities of the network ports?
  • A: The device supports auto-negotiation between Gigabit Ethernet circuit partners for optimal connection speeds.
  • Q: What are the humidity levels the device can operate within?
  • A: The operating humidity range is between 5% and 90%.
  • Q: What is the significance of the fpc and pic terms related to this device?
  • A: "fpc" refers to the slot in the router where the Modular Port Concentrator (MPC) is installed, while "pic" denotes the logical Physical Interface Card number on the Modular Interface Card, numbered 0 through 3.
  • Q: What is the system's total capacity?
  • A: The system's total capacity is 1.92 Terabits per second (Tbps).
  • Q: What are the weight and dimensions of the device?
  • A: The device weighs 1.2 lb (0.54 kg). Dimensions specific to rack units or physical size were not provided.

Product Review

The Juniper MIC-3D-20GE-SFP offers a high-density solution with 20 Gigabit Ethernet ports, catering to environments requiring extensive connectivity and high throughput. Despite its impressive performance capabilities, including auto-negotiation and support for up to 9192-byte MTUs, the module's power consumption of 37 W can be a concern for energy-conscious deployments. Additionally, its compact 1.2 lb design is efficient for space-constrained setups, though the requirement for specific operating conditions (temperature, humidity, altitude) may limit its deployment in varying environments.


The Juniper MIC-3D-20GE-SFP is a specialized module designed for integration into Juniper routers, providing enhanced networking capabilities through its 20 Gigabit Ethernet ports. This module is engineered for high-performance throughput, supporting speeds up to 1 Gbps on each port to ensure efficient data transmission across networks. It is equipped with features such as auto-negotiation, which facilitates optimal communication speeds between Gigabit Ethernet circuit partners, and the ability to handle up to 20-Gbps of full-duplex traffic, optimizing bandwidth utilization and network efficiency. With a focus on versatility and high-capacity data handling, the MIC-3D-20GE-SFP supports maximum transmission units (MTUs) of up to 9192 bytes, allowing for the transmission of larger packets and reducing the need for packet fragmentation in high-performance networking environments. This module is designed for easy integration into the router's framework, utilizing slots specifically designated for modular port concentrators (MPCs), with the capacity to fit into 2 MPC slots per system, enhancing the router's overall throughput capabilities to 480 Gbps per slot and contributing to a system capacity of 1.92 Tbps. The hardware specifications of the Juniper MIC-3D-20GE-SFP include: -
  • Power requirement: 0.77 A @ 48 V (37 W)
  • Weight: 1.2 lb (0.54 kg)
  • Network Ports: 2x 1 Gigabit Ethernet SFP
This module is designed to operate within a broad range of environmental conditions, maintaining functionality in temperatures ranging from 32° F to 131° F and at operating altitudes up to 10,000 ft (3048 m), ensuring reliable performance in diverse operating environments. It also operates within a humidity range of 5% to 90%, accommodating various atmospheric conditions without compromising performance. In addition to its networking capabilities, the MIC-3D-20GE-SFP is equipped with 64 GB of DDR4 RAM, enhancing its processing capabilities and allowing for efficient handling of high volumes of data, which is critical for maintaining optimal performance in complex networking scenarios. This module is designed with a focus on scalability and performance, offering system administrators a powerful tool for expanding the capabilities of their Juniper routers. Its design considerations include not only the technical specifications necessary for high-performance networking but also the physical attributes that ensure it can be integrated into existing systems with minimal disruption, including its compact size, measured at 5 rack units and allowing for up to 9 systems per rack for efficient space utilization. Overall, the Juniper MIC-3D-20GE-SFP stands out as a high-capacity, efficient networking module designed to meet the demanding requirements of modern data networks, ensuring high-speed data transmission, reliability, and scalability.


Item NumberJuniper MIC-3D-20GE-SFP
ManufacturerJuniper Networks
Ethernet Interfaces20x Gigabit Ethernet Ports
Power Consumption37 Watts (0.77 Amps at 48 Volts)
Mass0.54 kilograms (1.2 pounds)
Small Form-Factor Pluggable Ports2x 1G Ethernet SFP
Port Speed CapabilityUp to 1 Gbps with efficient throughput
Speed MatchingAutomatic adjustment for Gigabit Ethernet connections
Duplex Traffic Capacity20 Gbps Full-Duplex
Packet Size SupportSupports up to 9192-byte MTUs
Flexibile PIC Concentrator SlotRouter slot accepting the MPC
Physical Interface Card IndexIdentified as 0, 1, 2, or 3
Temperature Range for Operation0°C to 55°C (32°F to 131°F)
Total Number of Ports20
Numeration of PortsPorts numbered from 0 to 9
Height in Rack Units5
Maximum Systems per Rack9
Modular Port Concentrators Supported2 per slot
Bandwidth per Slot480 Gbps
Total System Throughput1.92 Terabits per second
Humidity Range for Operation5% to 90% non-condensing
Operational Altitude LimitUp to 3048 meters (10,000 feet)
Memory Configuration64 GB DDR4 RAM

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