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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

Maximum Length

Router Receptacle

Routing Engine console or auxiliary interface

RS-232 (EIA-232) serial cable

1.83 m

RJ-45 socket

Routing Engine Ethernet interface

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

100 m

RJ-45 autosensing

Alarm relay contacts

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

None

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Note:

We no longer include the RJ-45 console cable with the DB-9 adapter as part of the device package. If the console cable and adapter are not included in your device package, or if you need a different type of adapter, you can order the following separately:

  • RJ-45 to DB-9 adapter (JNP-CBL-RJ45-DB9)

  • RJ-45 to USB-A adapter (JNP-CBL-RJ45-USBA)

  • RJ-45 to USB-C adapter (JNP-CBL-RJ45-USBC)

If you want to use RJ-45 to USB-A or RJ-45 to USB-C adapter you must have X64 (64-Bit) Virtual COM port (VCP) driver installed on your PC. See, https://ftdichip.com/drivers/vcp-drivers/ to download the driver.