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    SRX3400 Services Gateway DC Power Supply Electrical Specifications

    Table 1 lists the electrical specifications for the two types of services gateway DC power supply.

    Table 1: DC Power Supply Electrical Specifications

    Item

    Standard DC Power Supply

    Enhanced DC Power Supply

    Maximum output power

    850 W

    1200 W

    DC input voltage

    –40.5 to –72 VDC

    –40.5 to –72 VDC

    DC input current rating

    22.2 A @ -48 VDC

    31.3 A @ -48 VDC

    The DC power supplies in PEM0 and PEM1 must be powered by dedicated power feeds derived from feed A, and the DC power supplies in PEM2 and PEM3 must be powered by dedicated power feeds derived from feed B. This configuration provides the commonly deployed A/B feed redundancy for the system.

    Published: 2013-01-18