T4000 Re-C1800 Routing Engine Description; Figure 21: Re-C1800 - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide
40
T4000 Connector Interface Panel (CIP) Description on page 27

T4000 RE-C1800 Routing Engine Description

RE-C1800 Routing Engine Components on page 40
RE-C1800 Boot Order on page 41
RE-C1800 Routing Engine Components
Each RE-C1800 Routing Engine
components:
CPU—Runs Junos OS to maintain the routing tables and routing protocols.
DRAM—Provides storage for the routing and forwarding tables and for other Routing
Engine processes.
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 the management ports
located on the CIP.

Figure 21: RE-C1800

The faceplate of the RE-C1800 contains the following:
USB port—Provides a removable media interface through which you can install Junos
OS manually. Junos OS supports USB version 1.1 and version 2.0 devices.
CompactFlash card slot—Provides primary storage for software images, configuration
files, and microcode.
Two solid-state disk (SSD) slots—Provides secondary storage for log files, memory
dumps, and rebooting the system if the CompactFlash card fails.
NOTE: DISK2
Reset button—Reboots the Routing Engine when pressed.
Offline button—Takes the Routing Engine offline when pressed.
Four LEDs— , ,
CF DISK1 DISK2
Extractor clips—Control the locking system that secures the Routing Engine.
(Figure 21 on page 40) consists of the following
is not currently supported.
, and .
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