M120 Routing Engine Leds; M120 Re-A-1800X2 Routing Engine Description; Routing Engine Components; Table 9: M120 Routing Engine Led - Juniper M120 Hardware Manual

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M120 Routing Engine LEDs

Related
Documentation

M120 RE-A-1800x2 Routing Engine Description

Routing Engine Components

Copyright © 2018, Juniper Networks, Inc.
M120 Routing Engine LEDs on page 25
M120 Routing Engine Interface Ports and Status Indicators on page 28
Maintaining the M120 Host Subsystem on page 266
Replacing an M120 Routing Engine on page 195
Routing Engine Interface Cable and Wire Specifications for the M120 Router on page 105
Each Routing Engine has one LED that indicates its status. The LED, labeled
located directly on the faceplate of the Routing Engine.
the functions of the Routing Engine LED.

Table 9: M120 Routing Engine LED

Label Color
Green
ONLINE
Red
Green
HDD
M120 Routing Engine Description on page 22
M120 Routing Engine Interface Ports and Status Indicators on page 28
Maintaining the M120 Host Subsystem on page 266
Replacing an M120 Routing Engine on page 195
Routing Engine Interface Cable and Wire Specifications for the M120 Router on page 105
Routing Engine Components on page 25
Routing Engine Boot Sequence on page 27
The Routing Engine (shown in
CPU—Runs Junos OS to maintain the router's routing tables and routing protocols.
DRAM—Provides storage for the routing and forwarding tables and for other Routing
Engine processes.
Chapter 5: Host Subsystem Components and Descriptions
State Description
Blinking Routing Engine is transitioning online.
On steadily Routing Engine is functioning normally.
On steadily Routing Engine has failed.
Blinking Hard disk is being accessed.
Figure 13 on page 26 ) consists of the following components:
ONLINE
Table 9 on page 25 describes
, is
25