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CB-RE and RCB 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.

Note

In routers where the Routing Engine (RE) and Control Board (CB) are integrated into a single board, a CB-RE is known as Routing and Control Board (RCB). The RCB is a single FRU that provides RE and CB functionality.

Table 1: Cable and Wire Specifications for Routing Engine and RCB Management and Alarm Interfaces

Port

Cable Specification

Cable/Wire Supplied

Maximum Length

Router Receptacle

Routing Engine console or auxiliary interface

RS-232 (EIA-232) serial cable

1.83-m length with RJ-45/DB-9 connectors

1.83 m

RJ-45 female

Routing Engine Ethernet interface

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

One 4.57-m length with RJ-45/RJ-45 connectors

100 m

RJ-45 autosensing

Alarm relay contacts

Wire with gauge between 28-AWG and 14-AWG (0.08 and 2.08 mm2)

No

None