T1600 Re-2000 Description; T1600 Re-C1800 Description; T1600 Routing Engine Description - Juniper T1600 Hardware Manual

T1600 Core Router Hardware Guide
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42
T1600 Routing Engine Description on page 37
T1600 RE-1600 Description on page 40

T1600 RE-2000 Description

The RE-2000 boots from the storage media in this order: the USB device, then the
CompactFlash card (if present), then the hard disk, then the LAN.
Figure 25: Routing Engine 2000 (RE-2000)
Each RE-2000 (shown in Figure 25 on page 42) 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.
indicate activity on the hard disk drive and the status of the
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