Re-S-1800 Routing Engine Components; Figure 24: Re-S-1800 Front View - Juniper MX480 Hardware Manual

Figure 24: RE-S-1800 Front View

Auxiliary Ethernet
port port
Extractor
clip
Console USB Reset
port port button
Copyright © 2019, Juniper Networks, Inc.
SSD SSD
slot 1 slot 2
Extractor
clip
RE-S-1800 Routing Engine Components on page 65
RE-S-1800 Routing Engine LEDs on page 66
RE-S-1800 Routing Engine Boot Sequence on page 66

RE-S-1800 Routing Engine Components

Each Routing Engine consists of the following components:
CPU—Runs Junos OS to maintain the router's routing tables and routing protocols..
DRAM—Provides storage for the routing and forwarding tables and for other Routing
Engine processes.
USB port—Provides a removable media interface through which you can install Junos
OS manually. Junos OS supports USB version 1.0.
CompactFlash card—Provides primary storage for software images, configuration files,
and microcode. The CompactFlash card is fixed and is inaccessible from outside the
router.
Solid-state Drive (SSD)—Provides secondary storage for log files, memory dumps,
and rebooting the system if the CompactFlash card fails.
Interface ports—The
AUX
devices. Each Routing Engine has one 10/100/1000-Mbps Ethernet port for connecting
to a management network, and two asynchronous serial ports—one for connecting to
a console and one for connecting to a modem or other auxiliary device.
EEPROM—Stores the serial number of the Routing Engine.
button—Reboots the Routing Engine when pressed.
RESET
ONLINE/OFFLINE button—Takes the Routing Engine online or offline when pressed.
Extractor clips—Used for inserting and extracting the Routing Engine.
Captive screws—Secure the Routing Engine in place.
NOTE: For specific information about Routing Engine components (for
example, the amount of DRAM), issue the
command.
, , and
CONSOLE ETHERNET
Chapter 1: Overview
provide access to management
show chassis routing-engine
65