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Clearance Requirements for Airflow and Hardware Maintenance on the SRX240 Services Gateway

 

When planning the installation site for the SRX240 Services Gateway, you need to allow sufficient clearance around the rack.

When planning the installation site for the services gateway, consider the following:

  • For the cooling system to function properly, the airflow around the chassis must be unrestricted.

  • For service personnel to remove and install hardware components, there must be adequate space at the front and back of the device.

  • For the DC power supply model, ensure that you follow the NEBS recommendation—The NEBS GR-63 recommends that you allow at least 30 in. (72.6 cm) in front of the rack and 24 in. (61.0 cm) behind the rack.

  • If you are mounting the device in a rack with other equipment, or if you are placing it on the desktop near other equipment, ensure that the exhaust from other equipment does not blow into the intake vents of the chassis.

    Table 1 provides information on the clearance requirements for maintaining the optimum airflow and the distances for facilitating easy maintenance of the device.

    Table 1: Clearance Requirements for the Services Gateway

    Location

    Recommended Clearance

    Requirement for Clearance

    Between front-mounting flange and rack or cabinet edge

    2.5 in. (6.35 cm)

    Space for cable management and organization

    Between side of the chassis and any non-heat-producing surface such as a wall or cabinet side

    2.5 in. (6.35 cm)

    Space for the cooling system to function properly and to maintain unrestricted airflow around the chassis

    Between side of the chassis and devices that have fans or blowers

    2.5 in. (6.35 cm)

    Space for the cooling system to function properly and to maintain unrestricted airflow around the chassis