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by Juniper
Product Line: Juniper M120 Series
Product Type: Control Board Router
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Original price $0.00 - Original price $0.00
Original price
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Product Description

The CB-M120-S Juniper features a chassis dimension of 17.5" (W) x 20.75" (H) x 25.7" (D), weighing 110 lb for the chassis alone and 230 lb when fully configured, fitting within a standard 800 mm cabinet space and occupying approximately 12 RU. It supports a power range from 40V DC to 60V DC and 100 VAC to 240 VAC, with a maximum power draw of 2200 W. Designed to operate within a temperature range of 32° F to 104° F and a humidity range of 5% to 90% RH noncondensing, ensuring reliable performance in various environments.

FAQs for the CB-M120-S

  • What are the physical dimensions of the chassis?
    The chassis measures 17.5 inches in width, 20.75 inches in height, and 25.7 inches in depth, approximately 12 RU and can be enclosed in an 800 mm cabinet.
  • How much does the chassis weigh when fully configured?
    When fully configured, the chassis weighs 230 lb (105 kg).
  • What is the minimum and maximum DC power requirement?
    The minimum DC power requirement is 40V DC, and the maximum is 60V DC.
  • What are the operating temperature limits?
    The operating temperature can range from a minimum of 32° F to a maximum of 104° F.
  • How much does the chassis weigh without additional components?
    The chassis weight, including the chassis, midplane, and fan trays only, is 110 lb (50 kg).
  • What is the maximum power draw of the system?
    The maximum power draw of the system is 2200 W.
  • What are the humidity specifications for operating conditions?
    The humidity range for operating conditions is from a minimum of 5% to a maximum of 90% RH, non-condensing.
  • What AC power specifications does the chassis support?
    The chassis supports a minimum AC power of 100 VAC and a maximum of 240 VAC.
  • What is the non-operating temperature range?
    The non-operating temperature range is from a minimum of -4° F to a maximum of 140° F.
  • Can the chassis be installed in a standard 800 mm cabinet?
    Yes, the chassis can be enclosable in an 800 mm cabinet due to its quarter rack size.

Product Review

The Juniper CB-M120-S provides a notable balance between size and capacity, being able to fit in an 800 mm cabinet and occupying approximately 12 RU, making it suitable for environments with limited space. However, its fully configured weight of 230 lb (105 kg) and maximum power draw of 2200 W may pose challenges in terms of power efficiency and physical handling. Additionally, its operating temperature range from 32° F to 104° F and humidity tolerance from 5% to 90% RH noncondensing support its reliability in various environmental conditions.


The Juniper CB-M120-S is a network device designed for high efficiency and scalability within data center and enterprise network environments. This product offers a blend of high performance, reliability, and flexibility, making it suitable for a wide range of networking applications. With physical dimensions of 17.5 inches in width, 20.75 inches in height, and 25.7 inches in depth, the CB-M120-S occupies approximately 12 rack units (RU) in a quarter rack configuration. It can be housed in an 800 mm cabinet, ensuring compatibility with standard data center infrastructure. The chassis weight is 110 pounds (50 kg), including the chassis, midplane, and fan trays. When fully configured with additional components such as front panel display, 2 control and forwarding processing cards (cFPCs), 4 flexible PIC concentrators (FPCs) with 4 PICs each, 6 M120 forwarding engine boards (FEBs), 2 control boards (CBs) with routing engines (REs), and 2 power entry modules (PEMs), the system weighs approximately 230 pounds (105 kg). Power requirements for the Juniper CB-M120-S are versatile, supporting both DC and AC inputs. The minimum DC power input is 40V DC, with a maximum of 60V DC. For AC power, the system can operate within a range of 100 VAC to 240 VAC. The maximum power draw of the system is 2200 watts, indicating its capacity to handle substantial networking loads without excessive power consumption. Operating conditions for the CB-M120-S are designed to ensure reliability under various environmental conditions. The operating temperature range is from 32° F to 104° F, accommodating a broad spectrum of data center environments. Humidity levels are supported from a minimum of 5% to a maximum of 90% relative humidity (RH), non-condensing. For non-operating conditions, the system can withstand temperatures from -4° F to 140° F, ensuring durability during storage and transportation. Key hardware specifications include: -
  • Dimensions: 17.5" (W) x 20.75" (H) x 25.7" (D)
  • Weight: 110 lb (chassis only), 230 lb (fully configured)
  • Power: Up to 2200 W maximum draw
In conclusion, the Juniper CB-M120-S is engineered to meet the demands of modern network infrastructure with its scalable design and robust power system. Its physical and operational specifications make it an ideal choice for organizations looking to deploy a reliable, high-performance networking solution.


Part Number and ManufacturerJuniper CB-M120-S
Width17.5 inches
Height20.75 inches
Depth25.7 inches
Rack UnitsApproximately 12 RU, fits in a quarter rack
Cabinet CompatibilityCan be housed in a cabinet of 800 mm size
Weight of Chassis110 pounds (50 kg) - includes only the chassis, midplane, and fans
Total Weight When Equipped230 pounds (105 kg) - includes complete setup with chassis, midplane, fans, display, 2 cFPCs, 4 FPCs (each with 4 PICs), 6 M120-FEBs, 2 control boards with Routing Engines, and 2 Power Entry Modules
Minimum DC Power Requirement40V DC
Maximum DC Power Requirement60V DC
Minimum AC Power Requirement100 VAC
Maximum AC Power Requirement240 VAC
Peak Power Consumption2200 Watts
Lowest Operating Temperature32° Fahrenheit
Highest Operating Temperature104° Fahrenheit
Minimum Operating Humidity5%
Maximum Operating Humidity90% RH, non-condensing
Lowest Non-operating Temperature-4° Fahrenheit
Highest Non-operating Temperature140° Fahrenheit

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