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Rack-Mounting Requirements

  • You can install the router in a four-post rack or cabinet.

    Note:

    The shipping and installation site must be an ESD approved area.

  • The rack rails must be spaced wide enough to accommodate the router chassis's external dimensions: 78.75 in. (200 cm) high, 36.20 in. (91.95 cm) deep, and 19 in. (48.3 cm) wide (see Figure 1).

    Note:

    A typical four-post rack measures 84 in. (213.4 cm) high, 24 in. (61 cm) to 30 in. (76.2 cm) deep, and 19 in. (48.3 cm) wide.

    Note:

    The dimensions also include the standard cable management system and standard EMI covers.

  • The rack must be able to accommodate the additional depth of the extended cable management system, 37.46 in. (95.1 cm) deep (see Figure 1).

  • The rack must be strong enough to support the weight of the fully configured router, up to 1,500 lb (681.8 kg). See Table 1 for MX2020 shipping weight specifications.

    Table 1: MX2020 Shipping Weight Specifications

    Item

    Shipping Weight

    Shipping crate and pallet

    180 lb (81.8 kg)

    Unpopulated MX2020

    300 lb (136.4 kg)

    Unpopulated MX2020 with shipping crate and pallet

    480 lb (218.2 kg)

    Fully populated MX2020 with shipping crate and pallet

    1,680 lb (763.6 kg)
    Note:

    For a complete list of individual line card and component weights and measurements, see the MX2020 3D Universal Edge Router Hardware Guide at https://www.juniper.net/documentation/.

  • For the cooling system to function properly, the airflow around the chassis must be unrestricted. Allow at least 36 in. (91.44  cm) of clearance between front-to-rear-cooled routers. Allow 2.8 in. (7 cm) between the side of the chassis and any non-heat-producing surface such as a wall.

  • For service personnel to remove and install hardware components, there must be adequate space at the front and back of the router. Allow at least 36 in. (91.44 cm) in front of the router and 36 in. (91.44 cm) behind the router.

  • The rack or cabinet must have an adequate supply of cooling air.

  • Ensure that the cabinet allows the chassis hot exhaust air to exit from the cabinet without recirculating into the router.

  • The router must have the front and rear shipping covers installed to help move the router into the rack or cabinet.

  • The router must be installed into a rack or cabinet that is secured to the building structure.

  • Ensure that there is adequate turn radius and aisle space for the router to be installed into a rack or cabinet using a pallet jack with attachment.

  • Ensure that there is adequate turn radius and aisle space for the router to be installed into a rack or cabinet using a router transport kit.

  • The cabinet must be clear of any hardware, device, rack, or cabinet component that obstructs the 45 U rack space from being access during installation.

    Note:

    There must be a minimum of 45-U of usable rack space when installing the MX2020 router into a 45-U rack.

Figure 1: Typical Four-Post RackTypical Four-Post Rack