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    CB-RE Interface Cable and Wire Specifications for MX Series Routers

    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: Cable and Wire Specifications for Routing Engine Management and Alarm Interfaces


    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 RJ-45/DB-9 connectors

    6 ft (1.83 m)

    RJ-45 female

    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 28-AWG and 14-AWG (0.08 and 2.08 mm2)



    Modified: 2016-03-29