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    Routing Engine Interface Cable and Wire Specifications for the M40e Router

    For management and service operations, you connect the Routing Engine to an external console or management network. (For more information, see M40e Routing Engine Description.)

    Table 1 lists the specifications for the cables that connect to management ports and the wires that connect to the alarm relay contacts.

    Table 1: M40e Routing Engine Interface Cable and Wire Specifications


    Cable Specification

    Cable/Wire Supplied

    Maximum Length

    Router Receptacle

    Routing Engine console or auxiliary interface

    RS-232 (EIA-232) serial cable

    One 6-ft (1.83-m) length with DB-9/DB-9 connectors

    6 ft (1.83 m)

    DB-9 male

    Routing Engine Ethernet interface

    Category 5 cable or equivalent suitable for 100Base-T operation

    One 15-ft (4.57-m) length with RJ-45/RJ-45 connectors

    328 ft (100 m)

    RJ-45 autosensing

    Alarm relay contacts

    Wire with gauge between 24-AWG and 12-AWG (0.20 and 3.33 mm2)



    Published: 2010-10-28