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    Power Supplies Overview

    Inspect the power supplies to ensure that they distribute power to the other router components according to their voltage requirements.

    The power supplies are internally connected to the midplane, which delivers the power input from the circuit breaker box and distributes the different output voltages produced by the power supplies to the router’s components, depending on their voltage requirements.

    Table 1 and Table 2 list some router characteristics for each router type.

    Table 1: M Series Routers Power Supply Characteristics

    Power Supply Characteristic

    M5/
    M10

    M7i/
    M10i

    M20

    M40

    M40e

    M120

    M160

    M320

    Watts per AC/DC power supply

    434 W

    293 W

    750 W

    1500 W

    AC 2900 W

    DC 3000 W

    AC 2100 W

    DC 2100 W

    DC original 2600 W

    DC enhanced 3200 W

    1750 W

    Supports both AC and DC power supplies

    Yes

    Yes

    Yes

    Yes

    Yes

    Yes

    No; original or enhanced DC only

    Yes

    Turn off power supply before removing

    X

    X

    X

    X

     

    X (AC)

      

    Turn off circuit breaker before removing power supply

        

    X

    X (DC)

    X

    X

    Table 2: T Series Routers Power Supply Characteristics

    Power Supply Characteristic

    T320

    T640

    T1600

    TX Matrix

    TX Matrix Plus

    Watts per AC/DC power supply

    3200 W

    6500 W

    7062 W

    4560 W

    9200 W

    Supports both AC and DC power supplies

    No;
    DC only

    No;
    DC only

    Yes

    No;
    DC only

    No;
    DC only

    Turn off power supply before removing

    X

    X

    X

    X

    X

    Turn off circuit breaker before removing power supply

    X

    X

    X

    X

    X

    Power supplies in the router must be of the same type: either two AC or two DC power supplies. You cannot mix power supply types.

    Published: 2012-08-20