Juniper MX480, Hardware Manual

Page: 166 / 420

of component attenuation, power penalties (including those from dispersion), and a
safety margin for unexpected losses.
Routing Engine Interface Cable and Wire Specifications for MX Series Routers
Table 89 on page 166 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 89: Cable and Wire Specifications for Routing Engine and RCB Management and
Alarm Interfaces
Router
Receptacle Maximum
Length Cable/Wire
Supplied Cable
Specification
Port
RJ-45 female 1.83 m 1.83-m length
with RJ-45/DB-9
connectors RS-232
(EIA-232) serial
cable Routing Engine
console or
auxiliary
interface
RJ-45
autosensing 100 m One 4.57-m
length with
RJ-45/RJ-45
connectors Category 5 cable
or equivalent
suitable for
100Base-T
operation Routing Engine
Ethernet
interface
— None No Wire with gauge
between
28-AWG and
14-AWG (0.08
and 2.08 mm
2
)
Alarm relay
contacts
MX480 Management, and Console Port Specifications and Pinouts
• RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port on page 166
• RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE
Ports on page 167
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port
The port on the Routing Engine labeled
ETHERNET
is an autosensing 10/100-Mbps
Ethernet RJ-45 receptacle that accepts an Ethernet cable for connecting the Routing
Engine to a management LAN (or other device that supports out-of-band management).
Table 90 on page 167 describes the RJ-45 connector pinout.
Copyright © 2019, Juniper Networks, Inc. 166
MX480 Universal Routing Platform Hardware Guide