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by Juniper
Product Line: Juniper EX 8200 Series
Product Type: Switch fabric
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Title: Surplus

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Product Description

The EX8216-SF320 is a Switch Fabric module designed for the EX8216, offering a 320 Gbps (full duplex) per slot capacity and enabling a system capacity of up to 12.4 Tbps. This module supports a high-density architecture with eight rear-accessible switch fabric modules, ensuring seamless operation of 10-Gigabit ports without packet loss. It features hot-swappable fan trays with redundant, variable speed fans for cooling, operates within a temperature range of 32°F to 104°F, and can function at altitudes up to 10,000 ft with a relative humidity range of 5% to 90% (noncondensing).

FAQs for the EX8216-SF320

  • What is the per slot capacity of the Switch Fabric module for the EX8216?
    The per slot capacity is 320 Gbps (full duplex).
  • How many dedicated switch fabric modules (SFMs) does the EX8216 include?
    The switch includes eight dedicated switch fabric modules (SFMs).
  • Can the EX8216 support 10-Gigabit ports without dropping packets?
    Yes, it can support 10-Gigabit ports without dropping packets.
  • What is the total power supply capacity of the EX8216?
    The switch is equipped with two 3,000 watt power supplies.
  • Describe the cooling system of the EX8216.
    The switch fabric modules come with redundant, variable speed fans for cooling.
  • What is the maximum operating altitude for the EX8216?
    The maximum operating altitude is up to 10,000 ft (3,048 m).
  • How does the power consumption differ between the base and redundant systems of the EX8216?
    The base system consumes 1,080 W, while the redundant system consumes 1,180 W.
  • What are the operating temperature limits for the EX8216?
    The operating temperature ranges from Min: 32°F to Max: 104°F.
  • Are the fan trays in the EX8216 hot-swappable?
    Yes, the fan trays are hot-swappable.
  • What is the total switch capacity of the EX8216?
    The total switch capacity is up to 12.4 Tbps.

Product Review

The Juniper EX8216-SF320 Switch Fabric Module is designed for high-capacity networking, offering 320 Gbps per slot and a system capacity of up to 12.4 Tbps, facilitating efficient data handling in demanding environments. However, it requires significant power, with a base system consuming 1,080W and a redundant configuration upping the requirement to 1,180W, which could impact operational costs. It features hot-swappable fan trays and operates effectively within a broad range of temperatures and humidity levels, enhancing its durability and reliability in varied operational conditions.


The Juniper EX8216-SF320 Switch Fabric module is designed to enhance the capabilities of the EX8216 chassis switch, providing high-capacity, low-latency switching for enterprise networks. This module delivers a switch fabric capacity of 320 Gbps (full duplex) per slot, contributing to the system's total capacity of up to 12.4 Tbps. The design ensures efficient data transport across 10-Gigabit ports without packet loss, supporting demanding network environments. At the heart of the EX8216 chassis, the switch fabric module works in conjunction with eight dedicated switch fabric modules (SFMs) mounted on the side, optimizing data flow through the system. These modules are pivotal in achieving the switch's single-tier, low-latency fabric, which ensures rapid data transmission across the network. The system is designed to be scalable, accommodating the needs of growing businesses without compromising on performance. Power efficiency is a key aspect of the EX8216-SF320, with the base system configuration consuming 1,080 Watts and the redundant system configuration, which includes an additional Routing Engine, consuming 1,180 Watts. This efficiency is supported by two 3,000 watt power supplies, ensuring reliable operation under various load conditions. Additionally, the switch fabric modules are equipped with redundant, variable speed fans that are hot-swappable, minimizing downtime and maintaining optimal operating temperatures. Environmental resilience is another hallmark of the EX8216-SF320. It operates within a broad temperature range, from a minimum of 32°F to a maximum of 104°F, and can be stored in conditions ranging from -40°F to 158°F. This wide operational envelope is complemented by its ability to function at altitudes up to 10,000 feet when in use and up to 16,000 feet when not in operation. Humidity tolerance ranges from 5% to 90% (noncondensing), ensuring reliability across diverse environmental conditions. Key hardware specifications include:
  • Eight rear-accessible switch fabric modules for scalable performance.
  • Dual 3,000 watt power supplies for robust power management.
  • Hot-swappable fan trays with redundant, variable speed fans for optimal cooling.
In summary, the Juniper EX8216-SF320 Switch Fabric module is engineered to meet the demands of high-performance, enterprise-level networks. Its high-capacity, scalable design, coupled with efficient power management and environmental resilience, makes it an essential component for the EX8216 chassis switch, ensuring sustained, reliable operation even in the most challenging network environments.


Part Number and Manufacturer Juniper EX8216-SF320
Description Switch Fabric module for the EX8216 platform
Per Slot Throughput 320 Gbps (bidirectional)
Total System Capacity Up to 12.4 Terabits per second
Configuration Equipped with two side-positioned, eight SFMs in total
Power Supplies Included Two 3,000W power units
Architecture Single-level, low-delay switch fabric
Cooling System SFMs with backup, adjustable velocity fans
Accessibility Eight SFMs accessible from the rear
High-Speed Port Performance Supports 10GbE connections seamlessly
Base Configuration Power Consumption 1,080 Watts
Enhanced Configuration Power Consumption 1,180 Watts
Minimum Operating Temperature 32°F (0°C)
Maximum Operating Temperature 104°F (40°C)
Minimum Storage Temperature -40°F (-40°C)
Maximum Storage Temperature 158°F (70°C)
Maximum Operating Altitude 10,000 feet (3,048 meters)
Maximum Non-operating Altitude 16,000 feet (4,877 meters)
Minimum Operating Humidity 5%
Maximum Operating Humidity 90% (non-condensing)
Component Replacement Feature Fan trays that can be exchanged while operational

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