Routing Engine Components; Routing Engine Front Panel; Routing Engine Interface Ports - Juniper MX204 Hardware Manual

MX204 3D Universal Edge Router Hardware Guide

Routing Engine Components

Routing Engine Front Panel

Routing Engine Interface Ports

16
The Routing Engine consists of the following internal components:
High-performance 1.6-GHz Intel 8 Core X86 CPU
32-GB DDR4 RAM
100-GB SATA SSD
Figure 9 on page 16 shows the front panel of the MX204 chassis.
Figure 9: MX204 Ports
1
16
1— Rate-selectable ports
2— MGMT
Management ( ) port
3— BITS
port with LEDs
4— USB port
5— 1PPS 10MHz
and GPS input and output
ports
6— ONLINE
LED
7— SSD1
LED
8— OFFLINE
button
The ports located on the router connect the Routing Engine to one or more external
devices on which system administrators can issue Junos OS CLI commands to manage
the router. In addition, ports to connect external clock interfaces for BITS and GPS function
are also available on the router.
The Routing Engine interface ports with the indicated labels function are as follows (see
Figure 9 on page 16):
—Connects the Routing Engine to a system console through a serial cable with an
CON
RJ-45 connector.
MGMT —Connects the Routing Engine through an Ethernet connection to a management
LAN (or any other device that plugs into an Ethernet connection) for out-of-band
management. The port uses an autosensing RJ-45 connector to support 10-Mbps,
2 3
15 14 13
9— RESET
10— SSD0
11—
Alarm (
12— OK/FAIL
13—
Time of day (
is reserved for future use)
14—
Console (
15— 10-Gigabit Ethernet SFP+ ports
16—
PTP grandmaster clock (
4 5 6 7 8
12 11 10 9
button
LED
ALM
) LED
LED
ToD
) port with LEDs (This port
CON
) port
GM/PTP
) port
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