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by Juniper
Product Line: Juniper Series
Product Type: Routing Engine
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Product Description

The RE-S-MX104-S Juniper is powered by a 1.8-GHz processor and equipped with 4 GB of memory and 8 GB NAND Flash media storage. It supports a maximum power requirement of 90W, operates within a temperature range of 40°F to 149°F, and functions up to an altitude of 6,000 ft (1,900 m). Designed for versatility, it offers diverse DC input voltages of 18 to 30 VDC, –39 to –56 VDC, and –39 to –72 VDC, with a maximum power supply output of 800 W, and is compatible with the 32-bit Junos OS release 13.2.

FAQs for the RE-S-MX104-S

  • What is the processor speed of the device?
    • The processor speed is 1.8 GHz.
  • How much memory is available on the device?
    • It has 4 GB of memory.
  • What type of storage does the device use?
    • The device uses 8 GB NAND Flash for storage.
  • What is the maximum power requirement for the device?
    • The maximum power requirement is 90W.
  • What are the operating temperature limits?
    • The operating temperature ranges from 40°F to 149°F.
  • What humidity levels can the device operate within?
    • It can operate in humidity levels ranging from 5% to 90%.
  • Up to what altitude can the device operate without issues?
    • The device can operate at altitudes up to 6,000 ft (1,900 m).
  • What version of Junos OS is the first to support this device?
    • The first supported release is Junos OS 13.2.
  • What are the DC input voltage specifications?
    • DC input voltages are 18 to 30 VDC; nominal 24 VDC, –39 to –56 VDC; nominal 48 VDC, and –39 to –72 VDC; nominal 60 VDC.
  • What is the maximum power supply output?
    • The maximum power supply output is 800 W.

Product Review

The Juniper RE-S-MX104-S offers a solid processing capability with a 1.8-GHz processor and a decent memory capacity of 4 GB, suitable for handling multiple network tasks efficiently. However, it operates within a narrow temperature range (40°F to 149°F), potentially limiting its deployment in environments with extreme temperatures. Additionally, its power requirements and the variety of supported DC input voltages provide flexibility in power supply options, but the maximum power consumption of 90W might be a concern for energy-conscious deployments.


The Juniper RE-S-MX104-S is a networking module designed to offer efficient and reliable performance for various network infrastructure needs. This product is equipped with a 1.8-GHz processor and 4 GB of memory, ensuring smooth operation and data processing. It connects to Packet Forwarding Engines (PFEs) via Gigabit Ethernet, facilitating fast data transmission rates that are crucial for high-demand network environments. The device boasts an 8 GB NAND Flash media storage, providing ample space for the operating system and any necessary network configurations or updates. It supports the 32-bit Junos OS from release 13.2 onwards, allowing for compatibility with a wide range of network applications and services. The management of the device is facilitated through an Ethernet interface, specifically the fxp0, ensuring straightforward and accessible network management. In terms of power requirements, the RE-S-MX104-S is designed to operate within a range of DC input voltages, including 18 to 30 VDC with a nominal 24 VDC, –39 to –56 VDC with a nominal 48 VDC, and –39 to –72 VDC with a nominal 60 VDC. The device exhibits flexibility in power consumption with DC input currents of 40 A at 24 VDC, 20 A at –48 VDC, and 15 A at –60 VDC. Despite its powerful performance capabilities, it has a maximum power requirement of 90W. Additionally, the maximum power supply output and the maximum output power are both rated at 800 W. For AC-powered environments, the AC input current rating stands at a maximum of 10 A per inlet at 100 VAC, ensuring the device can be integrated into various electrical setups. Operating within a temperature range of 40°F to 149°F, the RE-S-MX104-S is built to withstand varying environmental conditions. It can also operate at a humidity range of 5% to 90%, ensuring reliability in different atmospheric conditions. The device is capable of functioning at altitudes up to 6,000 ft (1,900 m), offering versatility for installation in various geographical locations.
  • Processor speed and memory: 1.8-GHz processor with 4 GB RAM
  • Storage and OS support: 8 GB NAND Flash, supporting 32-bit Junos OS from release 13.2
  • Power specifications: Supports multiple DC input voltages and currents, with a maximum power requirement of 90W
The Juniper RE-S-MX104-S is designed to meet the demands of modern network infrastructures, offering reliable performance, flexible power options, and compatibility with Junos OS. This makes it an ideal choice for businesses looking to deploy a resilient network architecture capable of supporting a wide range of applications and services.


Part Number Juniper RE-S-MX104-S
Manufacturer Juniper Networks
CPU Speed 1.8 GHz
Storage Type 8 GB NAND Flash
Peak Power Consumption 90 Watts
Lowest Operating Temperature 4°C
Highest Operating Temperature 65°C
Minimum Relative Humidity 5%
Maximum Relative Humidity 90%
Max Operational Altitude 1,900 meters
CPU Frequency 1.8 GHz
System Memory 4 GB
PFE Interface Gigabit Ethernet
Storage Media 8 GB NAND Flash
Initial Junos OS Version 13.2, 32-bit
Management Port fxp0 Ethernet
DC Power Input Range (VDC) 18-30, 24 nominal; -39 to -56, 48 nominal; -39 to -72, 60 nominal
DC Input Current 40 A @ 24 VDC; 20 A @ -48 VDC; 15 A @ -60 VDC
Power Supply Capacity 800 Watts
Maximum Power Output 800 Watts
AC Input Current Limit 10 A max at 100 VAC

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