T1600 Re-600 Leds - Juniper T1600 Hardware Manual

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Each Routing Engine 600 (shown in Figure 23 on page 38) consists of the following
components:
CPU—Runs Junos OS to maintain the router's routing tables and routing protocols. It
has a Pentium-class processor.
SDRAM—Provides storage for the routing and forwarding tables and for other Routing
Engine processes.
CompactFlash card—Provides primary storage for software images, configuration files,
and microcode. The fixed CompactFlash card is inaccessible from outside the router.
Hard disk—Provides secondary storage for log files, memory dumps, and rebooting the
system if the CompactFlash card fails.
EEPROM—Stores the serial number of the Routing Engine.
Interfaces for out-of-band management access—Provide information about
Routing Engine status to devices (console, laptop, or terminal server) connected to
ports located on the Connector Interface Panel (CIP).
The faceplate of the Routing Engine 600 contains the following:
One PC Card slot—Accepts a removable PC Card, which stores software images for
system upgrades.
A slot labeled
PC CARD
defined in the PC Card Standard published by the Personal Computer Memory Card
International Association (PCMCIA). The TX Matrix router is shipped with a PC Card
that contains Junos OS. The PC Card can be used to copy Junos OS from the PC Card
onto the Routing Engine. You can also copy Junos OS from the Routing Engine onto a
PC Card, for example, to create a backup copy of upgrade software that you have
obtained from Juniper Networks. Instructions for copying software to a PC Card are
available at the Juniper Networks Support Web site (
after logging in, navigate to the Customer Support Center, then to the download page
for Junos OS.
NOTE: The software on a PC Card is loaded only onto the Routing Engine
into which the PC Card is inserted. It is not automatically copied to the
other Routing Engine.
Reset button—Reboots the Routing Engine when pressed.
HD LED.
T1600 Routing Engine Description on page 37
T1600 RE-600 LEDs on page 39

T1600 RE-600 LEDs

The HD LED indicates activity on the hard drive. It does not necessarily indicate
routing-related activity.
Chapter 3: T1600 Router Hardware Components Overview
on the Routing Engine faceplate accepts a Type I PC Card, as
http://www.juniper.net/support/
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