T640 Re-C1800 Description; Figure 21: Routing Engine C1800 (Re-C1800) - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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Documentation
40
Table 11: Routing Engine 2000 LEDs (continued)
Label Color
Green
ONLINE
Red
NOTE: The LEDs on the Routing Engine do not necessarily indicate
routing-related activity.
T640 Host Subsystem Description on page 32
T640 Routing Engine Description on page 33
T640 RE-2000 Description on page 38
Troubleshooting the T640 Host Subsystem on page 213

T640 RE-C1800 Description

RE-C1800 Components on page 40
RE-C1800 Boot Order on page 41
RE-C1800 Components
Each RE-C1800 (Figure 21 on page
CPU—Runs the 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: Routing Engine C1800 (RE-C1800)

State Description
On steadily Routing Engine is functioning normally.
Blinking Routing Engine is transitioning online.
On steadily Routing Engine has failed.
40) consists of the following components:
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