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by Juniper
Product Line: Juniper M120 Multiservice Edge Router Series
Product Type: Edge Router
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Product Description

The M120BASE-DC Juniper features a 1 GHz Intel Celeron M processor and 2.048 MB DRAM, supported by a 40 GB hard disk drive for efficient data processing and storage. It offers a high-performance networking capability with an aggregate half-duplex throughput of 120 Gbps/90 Mpps and includes 4 FPC slots for flexible physical interface options, allowing up to 10 Gbps full duplex throughput per slot. Designed for durability and reliability, it operates within a temperature range of 32°F to 104°F and a relative humidity of 5% to 90%, ensuring stable performance in various environmental conditions.

FAQs for the M120BASE-DC

  • What are the key components included in the M120 DC Base Unit?
    The M120 DC Base Unit comes with 1 control board, 1 Routing Engine with a 1 GHz processor, 2.048 MB DRAM, a 40 GB hard disk drive, a control interface panel, and 1 DC power entry module.
  • What is the maximum power draw of the device?
    The maximum power consumption of the device is 2200 W.
  • How many FPC slots are available on the M120, and what is the full duplex throughput per slot?
    There are 4 FPC slots available, with each slot supporting up to 10 Gbps full duplex throughput.
  • What are the physical dimensions of the M120 DC Base Unit?
    The dimensions are 17.5 x 20.7 x 25.7 inches (44.5 x 52.6 x 65.3 cm).
  • Can you detail the power requirements for the M120 DC Base Unit?
    It requires DC power in the range of 40-60V DC. For non-redundant and redundant setups, 1 and 2 power supplies are needed, respectively.
  • What is the aggregate half-duplex throughput and Mpps of the M120?
    The aggregate half-duplex throughput is 120 Gbps with 90 Mpps, equating to 15 Mpps per FEB.
  • How does the M120 ensure redundancy?
    Yes, the M120 includes redundancy features to enhance system reliability.
  • What are the environmental operating conditions for the M120?
    The operating temperature range is from 32°F to 104°F with a relative humidity of 5% to 90% noncondensing.
  • How many PICs can the chassis support, and how many chassis can be mounted per rack?
    The chassis can support up to 16 PICs, with up to 4 chassis mountable per rack.
  • What type of processor and memory does the Routing Engine in the M120 DC Base Unit have?
    The Routing Engine is equipped with a 1 GHz Intel Celeron M processor and 2 GB DRAM.

Product Review

The Juniper M120BASE-DC offers a solid throughput of 120 Gbps/90 Mpps with a 1 GHz processor and 2 GB DRAM, ensuring efficient packet processing and routing capabilities. However, its maximum power draw of 2200 W and substantial weight of 230 lb (105 kg) may pose challenges for energy consumption and installation in environments with limited space or power infrastructure. Additionally, the unit's support for up to 16 PICs across 4 FPC slots with full duplex throughput per slot at 10 Gbps allows for significant expansion and flexibility in network design, though the requirement for up to 2 power supplies for redundancy could increase operational costs.


The Juniper M120BASE-DC is a base unit designed for high-performance networking, equipped with essential hardware for efficient data routing and transmission. Central to its operation is a control board complemented by a Routing Engine powered by a 1 GHz Intel Celeron M processor, ensuring swift data processing capabilities. The unit is supported by 2 GB of DRAM and a 40 GB hard disk drive, providing ample space for routing information and software applications. The control interface panel facilitates streamlined management and monitoring of network operations. Key hardware specifications include: - DC power input ranging from 40-60V DC with a maximum power consumption of 2200 W, catering to the energy demands of high-throughput networking. - An impressive aggregate half-duplex throughput of 120 Gbps/90 Mpps, with each Forwarding Engine Board (FEB) capable of processing up to 15 Mpps, highlighting the unit's capability to handle large volumes of data efficiently. - Four Flexible PIC Concentrator (FPC) slots, enabling full duplex throughput of 10 Gbps per slot, and the capacity to host up to 16 Physical Interface Cards (PICs) across the chassis. This modular design allows for a customizable networking solution tailored to specific requirements. The chassis supports up to four units per rack, optimizing space in data centers and network closets. It features redundancy capabilities, ensuring continuous operation and minimal downtime. The M120BASE-DC is designed with a focus on durability and reliability, with dimensions of 17.5 x 20.7 x 25.7 inches and a maximum weight of 230 lb, making it a substantial yet manageable component of any networking infrastructure. Mounting options include front or center positioning, with the requirement for one power supply under non-redundant conditions and two for redundancy, ensuring operational continuity. The unit incorporates advanced Layer 2 / Layer 3 Packet Processing ASICs and Switch Interface ASICs, alongside an I-chip on the Packet Forwarding Engine and a sophisticated memory subsystem. These components work in harmony to facilitate efficient data handling, queuing, and memory interfacing. Operating within a temperature range of 32°F to 104°F and capable of functioning under relative humidity levels of 5% to 90% non-condensing, the M120BASE-DC is built to withstand diverse environmental conditions. This resilience ensures reliable performance across various deployment scenarios. In summary, the Juniper M120BASE-DC combines powerful processing capabilities with flexible configuration options, making it a formidable solution for managing and routing data across networks. Its robust hardware specifications, coupled with its modular design and environmental resilience, position it as a versatile and dependable choice for any organization seeking to enhance its networking infrastructure.


Item Number and Producer Juniper M120BASE-DC
Base Configuration Includes a single control board, one Routing Engine powered by a 1 GHz CPU, 2048 MB of memory, 40 GB HDD, and a control interface panel
DC Power Input Module 1
DC Power Requirements 40-60V DC
Peak Power Consumption 2200 W
System Throughput and Processing Rate 120 Gbps/90 Mpps, with 15 Mpps per FEB
FPC Slots and Per-Slot Throughput 4 slots, each supporting 10 Gbps
PIC Capacity 16
Maximum Units Per Rack 4
Support for Redundancy Yes
Physical Size (W x H x D) 17.5 x 20.7 x 25.7 inches or 44.5 x 52.6 x 65.3 cm
Weight Limit 230 pounds / 105 kilograms
Mounting Options Can be mounted at the front or center of a rack
Power Supply Count for Operation (Standard/With Redundancy) 1/2
Onboard ASICs for Layer 2/3 Processing Yes
ASICs for Switch Interface Yes
Packet Forwarding Engine's I-chip Yes
Memory and Queue Management ASICs Yes
CPU Specs 1 GHz Intel Celeron M, 2 GB DRAM
Operating Temperature Range 0°C (32°F) to 40°C (104°F)
Humidity Tolerance 5% to 90%, non-condensing

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