Juniper T640 Hardware Manual page 67

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EEPROM—Stores the serial number of the Routing Engine.
Interfaces for 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).
Figure 18: Routing Engine 600
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 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 (
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
The RE-600 Routing Engine boots from the storage media in this order: the PC Card (if
present), then the CompactFlash card (if present), then the hard disk.
T640 Hardware Component Overview on page 11
T640 Host Subsystem Description on page 32
T640 Routing Engine Description on page 33
T640 RE-600 LEDs on page 36
Chapter 3: T640 Router Hardware Component Overview
on the Routing Engine faceplate accepts a Type I PC Card, as
http://www.juniper.net/support/ ). After logging
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