Figure 14: Routing Engine 2000 (Re-2000) - Juniper TX MATRIX Hardware Manual

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Figure 14: Routing Engine 2000 (RE-2000)

Each RE-2000 (shown in Figure 14 on page 31) consists of the following components:
CPU—Runs Junos OS to maintain the routing tables and routing protocols. It has a
Pentium-class processor.
DRAM—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 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
the Routing Engine ports located on the CIP.
The faceplate of the RE-2000 contains the following:
USB port—Provides a removable media interface through which you can install the
Junos OS manually. The Junos OS supports USB version 1.0.
Reset button—Reboots the Routing Engine when pressed.
Offline button—Takes the Routing Engine offline when pressed.
Extractor clips—Control the locking system that secures the Routing Engine.
LEDs— and
HDD ONLINE
Routing Engine.
TX Matrix Host Subsystem Description on page 25
TX Matrix Host Subsystem LEDs on the Craft Interface on page 37
TX Matrix Routing Engine Description on page 26
TX Matrix RE-2000 LEDs on page 32
Chapter 3: TX Matrix Hardware Components Overview
indicate activity on the hard disk drive and the status of the
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